User`s Manual - TC Electronic
Contents
1. OAMPING DAMPINGA 5 a m x 3 e E E E a a E E E E a 12 2 12 cd zu E NET E NET E E H I E os dx ALLEYPASS ALL BYPASS D al x B 5 FREQ CUT FREQ Channel Strip Presets TOTAL RECALL Line 3 4 Module ADAT TOS Module Master Module Reverb Module Info mouse over tips on off S PDIF Module Channel Sections 1 2 12 Coe FADEB bbe FADEP ADAT TCEE MODULE REVERE MASTER STYLE STYLE Del ENS So EE 0 90099009 4 os TOS IN AL 498 3 13 9 900000000 oN on WE aay Wr T D Tos our in 08 Qi Ca v 00 im 869099609060 6 FROM MIXER gt PREAMP 1 2 F LINE IN 3 4 P SPDIF 1 2 P TOS ADAT 1 2 F 3 4 P ADAT 5 6 P ADATT 8 P FW i 2 P FW 3 6 P FWE 8 F FWT 8 FW 8 10 FW 11 12 FW 13 14 EFFECT SEHD F LINE SPDIF 2 2 4 1 2 ik tE tE 6 s es 6 iL n sss te 6 s TOS ADAT L2 3 4 E B 7 0 amp dk tc electronic File Menu Patchbay Module TC NEAR CONTROL PANEL MI2. DAW FW 3 4 FW 5 6 FW 7 8 REVERB EFF SEND REVERB RET DAW CHANNEL LINE IN 3 4 LINEN fa CH1 output __SPoIF 12 i ADAT 3 4 JO CH2 output FW 1 2 WAA output D A FW 5 6 7 8 o CH4 output FW 11 12 opto ne en 8 0 TOS ADAT APPENDIX MISC TC Near Prevents Computer Standby Mode Before setting your computer to standby mode the TC Near control panel must be shut down Computers handle standby mode and hibernation in different ways To prevent instability on the audio interface after the computer is turned back on the TC Near control panel must be closed Most likely you will also need to close you host application e g Cubase or Logic Shortcut Keys The various main pages of the TC Near Control Panel can be accessed using the following shortcut keys Function Access Key s Device Pages Mixer M or 1 Tuner T or 2 About A or 3 System Settings CTRL S Alternate between devices CTRL 1 to CTRL 4 APPENDIX DICE BACKGROUND Impact Twin uses the TC developed DICE II digital interface chip from TC Applied Technologies The DICE chip provides a very stable digital clock to ensure jitter free digital signal flow all the way through the device Digital sound quality is not just digital sound quality Having a stable digital clock is crucial to the sound quality Get perfect alignment of all your digital
3. My Impact Twin Nickname Peter s Impact Twin COMPUTER WITH FIREWIRE COAX S PDIF I O In this setup we have a CD player In terms of clock rate a CD player cannot be controlled externally Accordingly it has to be the clock master Thanks to the DICE II Fire Wire chip with integrated JetPLL jitter rejection technology Impact Twin provides a very high quality clock In addition the excellent jitter rejection facilities will clean up the digital signal coming from an external source The CD player is connected to My Impact Twin via TOS 34 e TC NEAR Control Panel s System Settings page Impact Twin is selected as Clock Master and Sync Source is set to TOS SETTINGS CLOCK MASTER SYNC SOURCE SAMPLE RATE CLOCK Recovery X The digital reverb R4000 is connected to the other Impact Twin in the setup Peter s Impact Twin and its sync parameter is set to slave to External Sample Rate If Sync Source is set to Internal the options are 44 1 kHz 48kHz 88 2 kHz 96 kHz 176 4 kHz 192 kHz The following restrictions apply 192 N N N Mixer S PDIF or TOS The DAW always controls the Sample Rate The sample rate is always set by your host application e g Ableton Live If you e g play a 44 1 kHz project the sample rate automatically shifts to 44 1 kHz If you later load and play a 48 kHz
4. to external effect EFFECT SEND H2 TOS ADAT l 2 3 4 5 6 7 8 SETUP EXAMPLE STUDIO Active speakers INSTRUMENT IN 1 4 JAC EMELINE IN CH 3 4 PUSH ON OFF ADJUST OUTPUT PHONES MUTING FIREWIRE 20 COMPUTER WITH FIREWIRE Impact Twin Rear The Impact Twin s rear panel Active Speakers In this particular setup we illustrate the Impact Twin in use with a set of active monitors You may of course use a standard amplifier and passive speakers if you prefer Keyboard A keyboard is connected to Line In 3 4 for monitoring recording purposes The MIDI connection can be used to control software instruments in your DAW Headphones Multiple headphones are connected via a separate headphone amp Line outputs 3 4 on the Impact Twin are used to feed the headphone amp On the front panel an additional set of headphones can be connected to the non muting headphones connection Computer Computer with FireWire interface Please see the System Requirements section for information on minimum requirements ADAT Interface Standard ADAT interface with 8 input and 8 output channels Impact Twin Front Instruments Front panel view of the Impact Twin illustrated with a microphone and an electric guitar connected SETUP EXAMPLE STUDIO Connecting an electric guitar directly to Im
5. Sounds and Audio Devices Properties Volume Sounds Audio _ Voice Hardware Sound playback Default device TC Near Audio v mW Y Wer ry wow WDM PAGE WINDOWS ONLY In the Advanced Audio Properties dialog select the type of setup you are using In the following example 5 1 surround is selected Advanced Audio Properties Speakers Performance Select the speaker setup that is most like the setup you have A on your computer Speaker setup 5 1 surround sound speakers viv Your TC audio interface can handle both WDM AME and ASIO at the same time If you wish you can listen to background music from your media player or watch a DVD movie while working with your audio application at the same time Routing In WDM mode TC audio interfaces provide eight audio inputs outputs Each input output has a drop down menu where you can select from the available FireWire channels 37 THE IMPACT TWIN TUNER Impact Twin comes with an excellent tuner that provides various modes for stringed instruments The Tuner page holds all relevant parameters as well as the tuner display The tuner works on both channels 1 and 2 The Tuner Page TC NEAR CONTROL PANEL IMPACTTWIN SYSTEM SETTINGS TUNER SCALE c major scale tc electronic 1 Tuner Indication In Strobe mode three LEDs are always lit If the pitch of the played note is too low the LEDs ru
6. The buffer size can be set from 64 to 8192 samples You should only increase the buffer size if you experience problems such as clicks or pops in the sound that are not caused by DPC spikes The buffer size range depends on the selected operation mode Normal Mode 64 8192 Safe Mode 1 224 8192 Safe Mode 2 224 8192 Safe Mode 3 224 8192 You can manually set the buffer size to any number you wish within the given range However the number should be dividable with 8 The minimum buffer range will always apply and will automatically be selected when you change between the modes Example 1 When you switch from Normal mode with the buffer size set to 64 to Safe Mode 2 the buffer is automatically changed to 224 Example 2 When you switch from Normal mode with the buffer size set to 256 to Safe Mode 2 the buffer is not changed 256 is above the minimum value 224 for this range Example 3 When you switch from Safe Mode 2 with the buffer size set to 224 to Normal mode the buffer is not changed as the minimum setting for Normal mode is 64 You can however enter a different value manually ASIO buffer size is relevant for PCs running Windows operating systems only On Mac computers the buffer size is set within the audio application For instance in Ableton Live go to Preferences Audio Drivers to set the buffer size Please note that clicks and pops in the
7. 1 Compression Mode Press the function selector 10 and select compression mode FRONT PANEL OVERVIEW Now turn the ADJUST dialer to set the compression amount Press the ADJUST knob once to bypass the compressor Turning the ADJUST dialer again will automatically reactivate the compressor and the compression amount can be adjusted again starting from 0 This feature prevents you from accidently setting an extreme compression amount while the compressor is bypassed Example 2 Compression Mode A B Listening Press the function selector 10 and select compression mode Now turn the ADJUST dialer to set the compression amount Press the ADJUST knob several times to compare compressed and uncompressed signal A B listening f you turn the ADJUST knob while the compressor is on you will now adjust from the current compression amount Example 3 using ADJUST to control Decay time and and Reverb amount Press the function selector 10 and select REV Now press the ADJUST encoder to toggle between letting the encoder control Reverb amount or decay time 11 Output Level Knob Sets the output level of analog outputs 1 2 and of the headphone outputs 12 Listening Mode selector Stereo Mono Side This feature allows you to listen not only in stereo mode standard but also monitor the mono and side components separately STEREO You are listening
8. 1 kHz 1 dBFS 2109 dB A gt 106 dB 20 Hz to 20 kHz 12 dB 200 Hz to 40 kHz On 6 dB oct shelve Off Parametric 12 dB 200 Hz to 20 kHz 0 10 to 4 0 12 dB 20 Hz to 2 kHz 0 10 to 4 0 12 dB only available when Lo cut is off 20 Hz 400 Hz On Cut Off 6 dB oct shelve Female Voice SoftFemale Voice HardMale Voice SoftMale Voice Guitar Bass Speak Sax Trumpet Snare Percussion All purpose Connectors Sensitivity Range Total Preamp gain Impedance THD N Min Gain SNR Min Gain Crosstalk Monitor Line Outputs Ch 1 2 3 4 Connectors Impedance Level Range Ch 1 2 Fixed Full Scale Range Ch 3 4 THD N SNR Freq Response Crosstalk DAC D to A Conversion D to A Delay Headphone Outputs Connectors Impedance Gain Level Range THD N SNR Freq Response Crosstalk Power 40 Ohm Load Power 600 Ohm Load EMC Complies With Safety Certified To Environment Operating Temperature Storage Temperature Humidity Control Interface MIDI FireWire DAW General Dimensions W x H x D Weight Finish PPM Meter Ch 1 2 Mains Power Supply included FireWire bus powered Power Consumption Warranty Parts and labor without notice Neutrik Combo 1 4 Phone Jack 25 dBu lt gt 17 dBu 42 dB 1 MOhm 100 dB 0 00196 1 kHz 1 dBFS 2107 dB A gt 104 dB 20 Hz to 20 kHz 100
9. damage these microphones Please refer to the microphone s documentation or the manufacturer s support information FRONT PANEL OVERVIEW Only condenser type microphones require phantom power You can however combine e g a condenser microphone on channel 1 with a standard electrodynamic microphone e g a Shure SM57 on channel 2 without problems You can also activate phantom power and use a condenser microphone on one of the inputs and connect a guitar using a 1 4 jack to the other input as the phantom power only goes to the XLR pins 7 Line In Ch 1 2 Input Selector Use this switch to select either front panel or rear panel inputs for channels 1 2 Rear panel inputs are line inputs When you select Line In 1 2 you ll see the TC Near mixer page conveniently collapse the Channels 1 2 section Connect any secondary device that you don t use in music production to Line inputs 1 2 on the rear panel Use the Line In switch to alternate between front and rear panel inputs 2 8 9 10 ADJUST Dialer The ADJUST dialer can be used to adjust the function selected with the FUNCTION selector 10 Compression amount on channel 1 Compression amount on channel 2 Reverb amount Decay time DAW mix input 100 DAW The selected function is indicated by the four LEDs 9 ADJUST Dialer Push Function A few extra features are built in the ADJUST knob and its push function Example
10. 2 4 10 m 13 14 EFFECTSEND In this example we route the output of channels 1 2 to the S PDIF out Note that EQ compression and De Ess is still applied The Reverb however is not routed to the S PDIF out The described settings for this example be D recalled as a preset via Impact Twin s file menu Total Recall File Menu Where Channel Strip presets hold only parameter settings for the channel strip the Total Recall presets hold all settings on the Mixer Tuner and About Page Press the FILE button to open the File menu Usar Presets All off avet Default values ave Direct recordimj avt Setup example Ableton Live DJ prelisten avt Setup example External Effectavt Setup example pre amd AD converter avt Setup example Mobile Studia avt Setup example Stand alone awt Setup example Studio avt Setup example To external mixer using ADAT avt LOAD By selecting Load you can navigate to any folder in the system including shared folders By default you will be directed to the default location for Impact Twin presets Only presets located in the default file locations for TC Near control panel will be visible in the drop down menu SAVE By selecting Save you can save your preset to any folder in the system that you have write access to including any shared folder By default presets are saved to the
11. Module TOES MIE 00900000 ggoagogoaod im 0000 0 TOS IN Button Alternates between TOS and ADAT format on the optical inputs TOS OUT Button Alternates between TOS and ADAT format on the optical outputs STEREO LINK Button If you only use stereo sources on the ADAT channels you can link the ADAT channels in four pairs 1 2 3 4 5 6 and 7 8 If the channel pairs are unlinked they will appear as 8 individual channels in the mixer Lock Indication S PDIF and ADAT TOS Modules Indicates that the incoming ADAT TOS signal is perfectly locked to Impact Twin s internal clock or that the Impact Twin is perfectly locked to the external source selected on the System Settings page An exclamation mark indicates a sample rate conflict Such a conflict occurs if Impact Twin runs at internal clock and a digital signal on the ADAT TOS input provides a clock rate that differs from this internal clock The exclamation mark also occurs if you have attached two external devices on each of the digital ports and those two devices run at different sample rates Please note that there can only be one unit in a system acting as master clock All other devices must be set to follow that master clock Therefore it makes sense to connect a digital output on the Impact Twin s rear panel to a digital input on an external device This way the external device can lock to the Impac
12. Response Crosstalk ADC A to D Conversion A to D Delay Mic Inputs Ch 1 2 Connectors Sensitivity Full Range Pad on off Total Preamp gain Impedance Pad on off NF Rg 150 ohm Max Gain EIN Rg 150 ohm Max Gain THD N Min Gain SNR Min Gain Recording channel tools 48 bit Precision EQ Hi Gain Hi Frequency Hi Bell Hi Mid Gain Hi Mid Frequency Hi Mid Bandwith Lo Mid Gain Lo Mid Frequency Lo Mid Bandwidth Lo Gain Lo Frequency Lo CUT Compression De Essing Compression De Essing styles Instr Inputs Ch 1 2 44 RCA Phono 75 Ohm S PDIF 24 bit IEC 958 Pro status bits Optical Pipe 8 ch 48 kHz 4 ch SMUX 96 kHz TCAT DICE Il handling all IO formats 44 1 48 88 2 96 176 4 and 192 kHz 43 to 193 kHz jitter rejection at all rates JET technology in TCAT DICE II gt 3 dB 10 Hz gt 100 dB 600 Hz lt 1 ns peak BW 700 Hz to 100 kHz 42 ps RMS BW 100 Hz to 40 kHz 0 5 96 of Sample Period 50 to 50 of sample period 0 15 0 3 ms DC to 23 9 kHz 0 01 dB 48 kHz 1 4 Phone Jack balanced 20 kOhm 25 kOhm 13 dBu lt 100 dB 0 001 96 1 kHz 1 dBFS 2111 dB A gt 108 dB 20 Hz to 20 kHz 0 0 5 dB 20 Hz to 20 kHz 100 dB 20 Hz to 20 kHz 24 bit 128 x oversampling bitstream 0 68 ms 0 63 ms 44 1 kHz 48 kHz Neutrik Combo XLR 10 10 dBu lt gt 52 32 dBu 62 dB 2000 1300 ohm 4 dB 127 dBu 100 dB 0 00196
13. dB 20 Hz to 20 kHz 1 4 Phone Jack Ground sensing design 100 Ohm 40 dBu lt gt 12 dBu analog gain scale 12 dBu 94 dB 0 00296 1 kHz 1 dBFS 2111 dB A 2108 dB 20 Hz to 20 kHz 0 0 1 dB 20 Hz to 20 kHz 100 dB 20 Hz to 20 kHz 24 bit 128 x Oversampling Bitstream 0 70 ms 0 65 ms 44 1 kHz 48 kHz 2 x 1 4 Phone Jack Stereo 80 Ohm 80 dBu lt gt 16 dBu 300 ohm analog gain scale 94 dB 0 002 1 kHz 1 dBFS 2103 dB A gt 100 dB 20 Hz to 20 kHz 0 0 1 dB 20 Hz to 20 kHz 100 dB 20 Hz to 20 kHz 200 mW 93 mW EN 55103 1 and EN 55103 2 FCC part 15 Class B CISPR 22 Class B IEC 60065 EN 60065 UL60065 and CSA E60065 CSA FILE LR108093 32 F to 122 F 0 C to 50 C 22 F to 167 F 30 C to 70 C Max 90 96 non condensing In Out 5 Pin DIN IEEE 1394a IEC 61883 9 28 x 2 48 x 9 5 235 8 x 63 x 241 2 mm 3 3 Ib 1 5 kg Acrylic front panel Plated and coated steel back plate Rubber coated soft touch cover surrounding metal chassis 3 LEDs per channel 12 VDC Adapter for 90 to 240 VAC 50 to 60 Hz auto select 8 to 30 VDC 14 W 1 Year Please note Technical specifications are subject to change
14. default location of the TC Near control panel presets V All setup examples described on the previous tw pages are available as factory presets See above 2 29 SYSTEM SETTINGS Access the System Settings page by clicking on System Settings 30 TC NEAR CONTROL PANEL art LI IMPACTTWIN SYSTEM SETTINGS OPERATION MODE SAFE MODE 3 See ee ee ee ee ee ee ee ASIO BUFFER SIZE 258 v SAMPLES LATENCY 5 3 ms CLOCK MASTER Impact Twin SYNC SOURCE INTERMAL INTERNAL LOCK SAMPLE RATE kHz CURRENT SAMPLE RATE 4BkHz CLOCK RECOVERY TC NEAR SOFTWARE PACKAGE Audio Interface Software C 2 3 1 346 122 TC NEAR CONTROL PANEL 2 3 1 r2782 TC NEAR 1394 FIREWIRE DRIVER 3 4 2 6300 CHECK FOR SOFTWARE UPDATES tc electronic Buffers and Latency Buffer size and latency are commonly used terms in the audio computer world so let us give a short introduction to these important concepts Latency is a small delay measured in milliseconds ms introduced by the fact that you computer needs time to work with the audio signals that come in and go out Due to the way a computer or more precisely the operating system works it needs to slice the audio into small chunks these are the buffers The size of a buffer is measured in samples The computer can either work with small but many buffers or with larger and fewer buffers E g lets assume your comp
15. jack XLR connection the PAD INST selector must be set to In position PAD INST Selectors The PAD INSTRUMENT selector can attenuate the input sensitivity by 20 dB If you cannot attenuate the signal sufficiently using the GAIN TRIM knob you should use the 20 dB position This is normally required when connecting line level instruments Input LEDs Three Input level indicators 30 dB 10 dB and The input LEDs indicate the level of the input signal If the O L LED Overload is lit your signal might be too hot and you should lower the input by using the GAIN TRIM knob or the 20 dB PAD switch O L indication should be used as a guide only For more precise level indication please use the level meters in the control panel software Gain Trim Use this control to set the appropriate input level see previous paragraph Phantom Power 48V When this switch is pressed the XLR part of the Combo XLR Jack connections features 48V phantom power Phantom power is used to power line drivers and condenser microphones There are three main types of microphones Condenser microphone Phantom power is required except for some models that use proprietary power supplies or built in batteries Please check the microphone manufacturer s specifications for details Electrodynamic microphone Here phantom power is not required but does no harm to the microphone Ribbon microphones Phantom power could
16. power switch must be pressed e Connect your laptop computer using a standard FireWire cable e Connect headphones to one or both Phones outputs The upper connection will mute the main outputs on the rear panel but since nothing is connected to the main outputs it is not relevant which headphone output you use in this scenario 22 LAPTOP COMPUTER WITH FIREWIRE FIREWIRE ZA If only one Impact Twin is used and no other a FireWire devices are connected to the computer s FireWire ports Impact Twin can be bus powered directly from the computer s FireWire port This is an ideal setup for recording in the field However Impact Twin does use power and will drain the computer s battery faster especially if phantom power is used Therefore we recommend using a power supply for either the computer and or Impact Twin when possible Please read the manual section regarding bus power SETUP TC Near Patchbay Example Mobile Studio This is a basic example where you want to monitor the TC Near mixer s master out on your headphones L2 3 4 8 7 8 amp ee TOs ADATI2 B se 558 2 4 e 9 58 ADATEG E se 8 8 lee T sees rw7 B Ww 1 FPEEE rwenm EE runc e _ 2 EFFECTSEND M i e 9 s 8 Ableton Live Settings Assuming you are using Ableton Live as your DAW you could use the following settings for this s
17. sound may also result from clock problems These should be resolved first System Clock In a studio setup where there is more than one digital device and where the digital devices are connected using digital connections it is important that all devices run at the exact same sample rate in other words they all have to refer to the same system clock Only one device can provide the system clock and with the parameters in the System Clock section you specify which device provides the system clock Clock Master The audio interface that provides the system clock is called the clock master With the Clock Master parameter you select which audio interface should be the clock master Of course this is only relevant if you have more than one audio interface in your setup When connected to a computer it is always the audio interface that is audio clock master the computer itself cannot be clock master Sync Source With the Sync Source parameter you specify which part of the clock master will provide the system clock The options are either to choose the device itself INTERNAL or to choose one of the device s digital inputs SYSTEM SETTINGS Options are TOS S PDIF ADAT INTERNAL The most used setting will be INTERNAL Using this setting the internal DICE II clock provides the system clock to the other devices in the studio setup In most cases this is the best option The other options are only relevant if you att
18. to your signal in stereo this is the default setting 10 1 14 Phones Non muting 2 Both Phones outputs be used simultaneously MONO Listen to your signal in mono The left and right channel are summed and sent to both outputs SIDE Listen only to the SIDE component of your signal in this mode the M S decoding algorithm is active Monitoring the side component is especially DO interesting when comparing a data reduced format such as MP3 or AAC to a linear signal or to a data reduced signal at a different bit rate since artifacts from MP3 or AAC encoding are highly exposed in the side component 6 o Le POWER Oz 12VDC 2A ADAT TOS Power Switch On off switch for the unit 3 Phones Muting 1 When you connect a set of headphones to this jack main outputs will be muted 2 Power In Jack Impact Twin can be bus powered from the computer s FireWire port if your computer supplies bus power Check your computer s specifications If more than one bus powered audio interface is used or if your computer delivers insufficient power on the FireWire port use the supplied 12 VDC power supply When you connect a set of headphones to this jack the signal is still passed to the main outputs 3 FireWire Connectors IEEE 1394 connectors for connecting to a computer and or linking multiple Impact Twin units Impact Twin can be bus powered from the computer
19. DE Buttons Use these buttons to toggle between Stereo Mono and Side monitoring Monitoring the side component only is especially i interesting when comparing a data reduced format such as MP3 or AAC to a linear signal or to a data reduced signal at a different bit rate You can find additional information on page 10 Patchbay Module Via the Patch bay module you can route the various physical inputs the 14 FireWire channels 7 pairs from your DAW and also the TC Near mixer s effects send to Impact Twin s physical outputs Simply use your mouse and click on the connection you would like to establish USIAUIL paturirig IS LO The Impact Twin mixer out is patched to Line 1 2 outputs Main L R FireWire channels 3 4 are patched to Line outs 3 4 FireWire channels 5 6 are patched to S PDIF outs 1 2 FireWire channels 7 8 are patched to ADAT TOS outs 1 2 FireWire channels 9 10 are patched to ADAT TOS outs 3 4 FireWire channels 11 12 are patched to ADAT TOS outs 5 6 FireWire channels 13 14 are patched to ADAT TOS outs 7 8 Mixer Out Physical Inputs DAW Inputs PR TORBAY MODULE Physical Outputs LINE SPDIF l 2 3 4 FROMMIXER EAMP 1 2 LIME IN 2 4 SPDIF 1 2 1 2 gt 4 amp 5 6 ADAT 7 8 FW T Z FW 2 4 P FWE B FWT B FW 8 10 FW 11 12 gt FW 12 4 Mixer Effects Send
20. Impact Twin C INST CH2 MIC n 30 10 MIC INST 0 aa 30 PAD INST EA M 0 User s Manual English Version A NOOR WD 10 11 12 13 14 IMPORTANT SAFETY INSTRUCTIONS The lightning flash with an arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with dry cloth Do not block any ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or other apparatus including amplifiers that produce heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point where they exit from the apparatus On
21. T TWIN INTRODUCTION Impact Twin is a state of the art audio interface featuring ground breaking technology to ensure that the music you record sounds as good on the inside of your computer as it does on the outside With the built in preamp converters and recording tools Impact Twin offers a pristine path for your music to follow Two Microphone Preamps Featuring IMPACT III Technology With these two pristine microphone preamps you ll never have to worry about recording quality again Channel Tools Quickly and easily optimize the tone of your recordings with Impact Twin s built in channel tools FireWire 800 compatible adapter included The included FireWire 800 adapter means you can connect the Impact Twin to just about any FireWire equipped computer Direct Monitor Reverb A simple way to add reverb at the monitor stage so the singer can enjoy quality reverb through his headphones Quick Compressor Access and Feedback Access the crucial compressor setting directly from Impact Twin s front panel and the light ring instantly shows the applied gain reduction 14 14 I O 4 analog 10 digital I O 14 inputs and 14 outputs give the flexibility to record and monitor just about any device you can think of iCheck The iCheck Integrity Check feature provides a shortcut for revealing artifacts of data reduction essential when encoding files to lossy formats such as MP3 or AAC Hi Z Guitar Optimized Inputs Ensu
22. XER PAGE Let s take at look at the different sections of the TC Near Control Panel s mixer page FXPELDLMLDDULE FADEE MODULE HF BELL STYLE REVERS SEND METINTE l T FREQ 2 ee Channel Sections 1 and 2 Channels 1 and 2 each have a control section as shown above To the left there is a 4 band parametric EQ in the middle there is a compressor and a de esser and to the right there is a fader module with reverb send pan solo and mute controls and the actual level fader Parametric EQ Module The module is split into four bands HF High frequencies High Mid frequencies LMF Low Mid frequencies LF Low frequencies 14 The following parameters apply to the HMF and LMF bands FREQ Sets the center frequency to be boosted or attenuated by the Gain control GAIN Sets the amount of boost or attenuation of the selected frequency BW Bandwidth Determines the frequency range to control around the selected frequency LF CUT For the LF low frequency band the CUT button alternates between Cut and Shelving type HF BELL For the HF high frequency band the BELL button alternates between Parametric Bell shape and shelving type EQ ON Press this button to activate or deactivate the EQ section Compression Module The compression module offers a number of predefined compression settings that allow you to find the co
23. ach external digital devices to your audio interface using the S PDIF or the ADAT TOS Lightpipe input connectors If you have attached an external audio device to one of the digital inputs please consider whether this external device should provide the system clock If so select the digital input that you have used for that device Please note that due to the JetPLL jitter reduction Impact Twin is able to reject jitter coming from external digital devices Example 1 Impact Twin as Clock Master Setting Clock Master and Sync Source The setup consists of two Impact Twin units connected via FireWire a computer and an ADAT interface We assigned the nicknames My Impact Twin and Peter s Impact Twin nicknames are set on the About page The intention here is to sync the entire setup to the ADAT interface FIREWIRE IEEE 1394 Nickname My Impact Twin Nickname sem conn E Peter s Impact Twin COMPUTER WITH FIREWIRE FIREWIRE IEEE 1394 Set Clock Master on the System Settings page to 33 SYSTEM SETTINGS Peter s Impact Twin as it is the physical Impact Twin unit that will determine the clock master e Sync Source is set to ADAT as this is the bus the Clock Master unit that m would like to sync to SETTINGS CLOCK MASTER Peter s ImpactTwin w SYNC SOURCE SAMPLE RATE 45 kHz CLOCK Recovery X Example 2 Impact Twin Jitter Rejection CD Player
24. annels Indication of ideal average input level The small arrow on the meter indicates the ideal average input level Use the output level control of your source and Impact Twins GAIN TRIM controls to find a level where the average input signal is just around this arrow This ensures full benefit of Impact Twins compression module and also prevent any overloads E Pee 16 Presets channel strip Via the channel strip preset menu you can save and load channel strip presets These presets hold all settings from the channel strip A number of factory presets are provided as excellent Starting points for different types of recording material but you can create and save as many of your own as you please TC near automatically generates a default preset folder but you can navigate and save load presets from any folder you prefer Line 3 4 Module S PDIF Module LEHE 3 4 MDDULE HILF MLELE REVERB gt REVERS SEND D SEND 5010 s C C Lock E S PDIF module The S PDIF module controls any signal present on the S PDIF rear panel input and features Reverb Send Bal Solo and Mute controls Line 3 4 module The Line 3 4 module controls any signal present on the Line 3 4 rear panel inputs and features Reverb Send Bal Solo and Mute controls Note that both S PDIF and Line inputs are always stereo TC NEAR CONTROL PANEL MIXER PAGE ADAT TOS
25. ard 110 125V UL817 and CSA C22 2 no 42 220 230V CEE 7 page VII SR section 107 2 D1 IEC 83 page C4 240V BS 1363 of 1984 Specification for 13A fused plugs and switched and unswitched socket outlets This equipment should be installed near the socket outlet and disconnection of the device should be easily accessible To completely disconnect from AC mains disconnect the power supply cord from the AC receptacle The mains plug of the power supply shall remain readily operable Do not install in a confined space Do not open the unit risk of electric shock inside Caution You are cautioned that any change or modifications not expressly approved in this manual could void your authority to operate this equipment Service There are no user serviceable parts inside All service must be performed by qualified personnel EMC EMI EMC EMI This equipment has been tested and found to comply with the limits for a Class B Digital device pursuant to part 15 of the FCC rules These limits are designed to provide reasonable protection against harmful interference in residential installations This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful inte
26. e Inspect your Impact Twin for signs of transit damage e Inthe unlikely event of transit damage having occurred inform the carrier and the supplier Keep all the packaging if damage has occurred as this will show evidence of excessive handling force e also a good idea to keep the packaging if possible for future transportation Check Package Contents The package should contain the following items Impact Twin audio interface e Power supply FireWire cable CD with software etc e Safety Instructions FireWire 800 adapter e Quick start guide Computer Requirements Mac OS PowerPC 1 GHz or faster or Intel CPU 512 MB RAM e FireWire IEEE 1394 port e OS X 10 4 9 or later Windows e Pentium 4 1 6 GHz or faster 512 MB RAM e FireWire IEEE 1394 port e Windows XP or Vista We recommend running each Impact Twin on a dedicated FireWire bus and not chaining them with other FireWire devices If your computer has one or more FireWire connector on its chassis they will typically run on the same FireWire bus You may connect the Impact Twin to one of these connectors If you intend to use additional FireWire devices e g external hard drives simultaneously we recommend running these other devices on a separate bus This separate bus would typically be on an installed FireWire PCI or PCI Express card Note that such a FireWire PCI card typically has three ports but these also operate on a sin
27. en strings Bass 4 open strings Bass 5 open strings Bass 6 open strings Banjo Bluegrass 39 APPENDIX BUS POWER NOTES Bus Power Impact Twin can be operated using FireWire bus power With FireWire bus power the device is powered directly from the FireWire connection and you do therefore not need to use the external power supply included with Impact Twin There are a few things to be aware of regarding bus power 4 pin FireWire Connectors Please note that some FireWire ports are not able to provide bus power at all Laptop computers with 4 pin connectors do not provide bus power Several Impact Twins on a Single FireWire Bus If you run more than one Impact Twin device on a FireWire bus only one of them can be bus powered the other units require power from the supplied external power supplies Insufficient Bus Power Some laptop computers even those with 6 pin connectors do not provide enough bus power for a single Impact Twin unit to run properly If you experience problems please use the provided external power supply as the first effort to solve the problem 40 APPENDIX ASIO CHANNEL NAMES This page describes how the Impact Twin s ASIO channels are distributed according to the selected sample rate IMPACT TWIN 44 1 to 48 kHz 88 2 to 96 kHz 176 4 to 192 kHz Inputs Inputs Inputs 1 Main line 1 1 Main 1 Line 1 1 Mic inst line 1 2 Main line 2 2 Main2 Line 2 2 Mic inst line 2 3 Line3 L 3 Line3 L 3 L
28. etup n Ableton Live create two audio tracks e Inthe View drop down menu select In Out IVETE _ Sends trl i a S TT 3 Select the Arrangement View The right side of your EXAMPLE MOBILE STUDIO working space will now show the following parameters Select Ext In on both tracks Select Mono In 1 for Track 1 and Mono In 2 for Track 2 In the Master section select output channels 1 2 That s it The described settings for this example can be recalled as a preset via Impact Twin s file menu 23 SETUP EXAMPLE ABLETON LIVE DJ Output 3 4 KEYBOARD for MIDI recalls and additional live keys MIDI OUT This example illustrates how Impact Twin can be perfectly integrated into a live setup The components of such a live setup could be e A DAW laptop playing audio files e Headphones for undisturbed cue monitoring using the OUTPUT level control for separate headphone levels e Microphone for vocals utilizing Impact Twin s IMPACT pre amps and Channel strip e MIDI controllers for playing additional chords melodies and or sending program changes e Distribution to PA on output channels 3 4 Connect all devices according to the illustration above If you are using a condenser microphone remember to activate the 48V phantom power Also note that outputs 3 4 in this setup are used as main outs to t
29. gle bus Software Installation e We recommend installing the software before connecting the Impact Twin e Refer to the TC Electronic Audio Interface Installation Guide supplied in the package and on the CD f you are familiar with software installation procedures in general you may simply insert the accompanying CD ROM in your computer s optical drive CD or DVD and follow the instructions e We always recommend using the latest software Updates are available for download at www tcelectronic com TC Near Control Panel When the Impact Twin drivers are installed correctly you can open the TC Near Control Panel On Windows Computers Open Start Programs TC Electronic TC Near The TC Near Control Panel can also be accessed via the Windows Control panel On Mac Computers Applications TC Near You may also start the TC Near Control Panel application from System Preferences FRONT PANEL OVERVIEW MIC IIIST CH1 MIC INST je 30 4BV 30 30 1C O L PAD INST We dd 30 10 D L GAIN TRIM 1 FireWire Power LED Indicator When Impact Twin is hooked up via FireWire the blue LED can indicate the following states Steadily lit Sufficient power Flashing Uploading firmware hardware error or FireWire communication error Off The Impact Twin cannot establish a connection to the driver maybe because the driver is not installed Device Identification The blue LED will flash a couple of
30. he PA 24 PA SYSTEM Headphones level Advantage of this Setup This setup enables you to route different signals to the headphones and PA system via the DAW This is useful for numerous purposes E g this setup allows excellent cue monitoring for DJs allowing for individual level control of the two signals On the following page we will show you how to make the required settings in Ableton Live and the TC Near Patch bay SETUP EXAMPLE ABLETON LIVE DJ TC Near Patch Bay Example DJ pre listen The object here is sending a the track you want to pre listen to your headphones and b the main mix for the audience to a separate channel set In the TC Near Patch bay we send FW 1 2 to Line main outputs 1 2 and TC Near s Mixer out to line outputs 3 4 PATCHEAY MODULE TOS ADAT 1224 58 7 8 MIXER E s 9 8 PREAMP 1 2 9 55 8 LIME IN2 4 a s 8 SPDIF se 958 TORADATIA E 58 2 4 550 E E E we 98 THEE TES e 9 e TC Near Mixer Settings To send the main mix on Line 3 4 FW 3 4 must be selected in TC Near s Master module The described settings for this 4 f example can be recalled as preset via Impact Twin s file menu Ableton Live Set
31. ine3 L 4 Line4 R 4 Line4 R 4 Line4 R 5 SPDIF 5 SPDIF 5 6 SPDIF 6 SPDIF 6 7 ADAT TOS 7 ADAT TOS 7 8 ADAT TOS 8 ADAT TOS 8 9 Optical 9 Optical 9 Optical 10 Optical 10 Optical 10 11 Optical 11 11 12 Optical 12 12 13 Optical 13 13 14 Optical 14 14 Outputs Outputs Outputs 1 Main 1 Line 1 1 Main 1 Line 1 1 Line 1 Main L 2 Main2 Line 2 2 Main2 Line 2 2 Line 2 Main 3 Line3 L 3 Line3 L 3 Line3 L 4 Line4 R 4 Line4 R 4 Line4 R 5 SPDIF 5 SPDIF 5 6 SPDIF 6 SPDIF 6 7 ADAT TOS 7 ADAT TOS 7 8 ADAT TOS 8 ADAT TOS 8 9 Optical 9 Optical 9 Optical 10 Optical 10 Optical 10 11 Optical 11 11 12 Optical 12 12 13 Optical 13 13 14 Optical 14 14 41 IMPACT TWIN SIGNAL FLOW PHANTOM LINE IN 48V oO e IMPACT PREAMP e TUNER CH1 input 5 mic inst 109 ND gain pad CH2 A inst H2 input mic inst gv ND Lm LINE IN 1 LINE IN 2 E LINE IN 3 O _ LINE IN 4 SPDIFDI Tos ADAT o FW 1 2 FW 3 4 FW 5 6 FW 7 8 FW 9 10 FW 11 12 FW 13 14 FROM COMPUTER 42 LINE MIC 1 2 e LNE 3 48 SPDIF 2 ADAT 1 2 or TOS 1 2 EW 8 TO ADAT 5 6 ADATT 8 13 14 LINE SPDIF TOS ADAT PHONES 1 2 3 4 12 12 3 4 5 6 7 8 muting PHONES MIC LINE 1 2 OUTPUT non muting LEVEL TOS ADAT 1 2 ADAT 5 6 ADAT 7 8 FW 9 10 FW 13 14 EFF SEND adat MIXER 16 2 LINE MIC 1 2 MIXOUT Mix our EFF SEND REVERB RET
32. ly use attachments accessories specified by the manufacturer Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moisture does not operate normally or has been dropped um The exclamation point within an equilateral triangle is to alert the user the presence of important operating and maintenance servicing instructions in the literature accompanying the product Warning To reduce the risk of fire or electrical shock do not expose this equipment to dripping or splashing and ensure that no objects filled with liquids such as vases are placed on the equipment This apparatus must be earthed Use a three wire grounding type line cord like the one supplied with the product Be advised that different operating voltages require the use of different types of line cord and attachment plugs Check the voltage in your area and use the correct type See table below Voltage Line plug according to stand
33. mpression style you are looking for fast and easy STYLE Selector A number of styles can be selected from the drop down menu Select your style based on the source you are working with e g Male Vocal Guitar or Piano Note that the selected Style applies to both the compressor and the de esser ON Button Press this button to activate or deactivate the compressor COMP Knob This knob sets the amount of compression The compressor features auto make up gain that evens out the signal level even when heavy compression is TC NEAR CONTROL PANEL MIXER PAGE applied This parameter can also be controlled using the ADJUST knob on Impact Twin s front panel De Esser Module When recording voices a de esser can reduce or eliminate excessive sibilant sounds The operation of the Impact Twin De Esser is easy ON Button Activates the De Esser DE ESS Knob Sets the amount of de essing Damping Meter The Damping meter indicates the amount of compression applied DAMPING rer er ey a T i a Bypass When you activate All Bypass all channel processing modules are bypassed and the input signal is recorded directly to your DAW Fader Module The following descriptions of Reverb Send Solo Mute and Fader amp Meters apply to all instances of these parameters Reverb Send FADER MODULE Mh REVERS 08 lt Sets the amount of signal sent to the Reverb Module and patch ba
34. n Connect Impact Twin s S PDIF out to the external effects S PDIF in Connect the external effect s S PDIF out to Impact Twin s S PDIF in Connect Impact Twin s ADAT out to your mixer s ADAT in using a standard optical cable Create four busses in your DAW and route your tracks to these channels KD The described settings for this example can be 2 28 recalled as a preset via Impact Twin s file menu How to create busses in Ableton Live and route these busses to the ADAT channels In Ableton Live select Options Preferences Select Output Channel configuration and select several mono or stereo busses In the example below we have created four mono and four stereo busses 2 Output Config Choose which audio hardware outputs to make available to Live s tracks Every output the CPU load ae esp Ney apr 44 ash f Bot run up a A B p e PP pe f La apt Create four audio tracks in For each track select Ext Out from the Audio To drop down menu Then select FW channel pairs 7 8 9 10 11 12 and 13 14 See below IMPACT TWIN AS MIC PRE amp A D CONVERTER FILE MENU You can use Impact Twin as an excellent AD converter MODULE SPNF TOSADAT 2 3 4 12 12 3 4 EB 7 8 MIXER OUT PREAMP 1 2 NN LIMEIN2 4 5 1 2 2 M 2 4 0 ALATT 2 Fwi 2
35. n from right to left If the pitch is too high the LEDs run from left to right In Normal mode see below three green LEDs at the center position indicate that the played note is in pitch 2 Note Indicators The displayed notes reflect the selected scale mode In the example above all eight pitch notes are indicated because the C Major scale mode is selected see section 7 38 THE IMPACT TWIN TUNER 3 Mode Selector Click to switch between Strobe mode and Normal mode In Strobe mode sections of three red LEDs will slide from right to left when the played note is too low and from left to right when it is too high v C C D D EF F G G A Out of tune Chromatic scale mode selected and in tune C major scale mode selected 4 Play Tone Button Press PLAY TONE if you want to tune acoustically to a reference tone The played note is A according to the set pitch default is 440 Hz The level of the tone can be adjusted using the small speaker handle located just below the Play Tone button 5 Pitch Selector Sets the reference frequency The default value is 440 Hz and the range is from 438 to 445 6 Mute Press to mute the output of the tuner This is excellent if you need to tune visually only 7 Scale Modes The following scale modes are available via the drop down menu Chromatic scale Chromatic scale for bass C major scale C majer scale for bass Guitar amp open strings Guitar 7 op
36. optical cable 26 Active speakers can be used as monitors Feed these with the signals from Impact Twin s CH 1 L and CH 2 R outputs V The described settings for this example can be recalled as a preset via Impact Twin s file menu S PDIF 1 2 in the TC Near patch bay e Set the clock sync on the external effect to External as there can only be one master clock in a setup The fader on the TC Near mixers S PDIF module can now be used to control the master level of the external effect You can now send to the external effect using the REVERB SEND knobs in the mixer lie REVERE SEND vi _ The described settings for this example can be recalled as a preset Impact Twin s file menu 27 SETUP EXAMPLE TO EXTERNAL MIXER WITH ADAT IN Here we are sending channels via ADAT to an external mixer with ADAT inputs PATCHBAY MODULE LINE SPDIF TOS ADAT L2 3 4 L2 1232 5B 7 0 MIXER QUT PREAMP 1 2 LIMEIN2 4 a sPDiFi 2 TOSADATIA ApAT23 8 ADATE E 8 ADATT 2 wit rwe o weno wel 1 EFFECT SEND v In addition to using the TC Near Control Panel s Effects Send to feed an external effects processor using the S PDIF in and out jacks as explained in example 4 this routing also allows you to send eight channels via the ADAT out to an external mixer with ADAT i
37. pact Twin Connect a guitar using a standard 1 4 jack and set the PAD INST button to in position 0 O L PAD INST Connecting a Condenser Microphone Impact Twin delivers 48V phantom power on the XLR part of the Combo connection for use with condenser microphones Press 48 to activate phantom power FireWire Connection to Computer Use as standard FireWire IEEE 1394 cable between the computer and Impact Twin Any of the two connections can be used Note that a FireWire 800 adapter is supplied with Impact Twin Power Supply Impact Twin can be bus powered directly from your computer s FireWire connection Please refer to the computer s manual to see if this is an option If bus power is insufficient or if more than one Impact Twin units is connected to one FireWire bus you should use the external power supply delivered with Impact Twin 21 SETUP EXAMPLE MOBILE STUDIO AA Power supply MIC XLR This is a typical small mobile setup with just a guitar a microphone and a laptop computer e Connect the guitar to CH1 using a standard 1 4 inch jack mono mono and set the PAD inst button to in position Set input level using channel 1 s GAIN TRIM knob e Connect a microphone to CH2 and use the PAD inst selector to correct input sensitivity and adjust the level on this channel using channel 2 s GAIN TRIM knob of If you have connected a condenser microphone the 48 phantom
38. re components in your system e g network adapters wireless network adapters or optical drives have poor drivers First of all you should check your system using the DPC SPIKE CHECKER TOOL that is installed in the same folder as the TC Near Control Panel Spikes will show in the meter and based on an analysis over time the tool will suggest an operation mode Safe Mode 1 2 or 3 Select the suggested Operation Mode in the control panel and you should be all set to go V Once you have isolated problems resulting from 7 DPC spikes you can try lowering your buffer size again for least latency Max Latency 219 us Your computer is performing well and seems to be 10000us optimized for streaming You will be able to run using Normal Mode 8000us Try to run applications you are normally running on your L6000us computer to see if this affects the measurement 4000us 2000us 1000us 500us Advanced Tab for system testing purposes On the Advanced tab you can generate spikes Activate a spike inducer and set how often spikes should occur 32 Operation Modes You can select between four operation modes Normal and Safe Mode 1 2 and 3 Normal is the default mode The various safe modes should only be selected if you experience problems with clicks and pops caused by DPC spikes Use the DPC SPIKE checker tool as described to isolate such problems ASIO Buffer Size
39. re the tone of your guitars is beautifully preserved with two front panel mounted Hi Z guitar optimized inputs JetPLL Jitter Reduction Everybody talks about analog sound quality but what about digital With built in JetPLL jitter reduction technology Impact Twin ensures superb audio quality all the way though the device Included Plug ins M40 Reverb ResFilter Assimilator Impact Twin comes bundled with pristine TC effects processing The M40 reverb is based on an algorithm from our acclaimed Reverb 4000 processor The multi purpose ResFilter provides ultra fat filter sound The Assimilator EQ curve assimilation tool lets you quickly grab an EQ curve from any sound and apply it to your own Sturdy design While Impact Twin most probably will sit in your studio most of the time the sturdy and cool design lets you take it anywhere any time 24 bit 192 kHz Operation Capture the most detailed and transparent recordings you ve ever heard right up to ultra detailed 192 kHz Guitar Tuner Maintain perfect pitch with the built in guitar tuner which is always at hand tc electronic QUICK SETUP GUIDE Up and running in ten minutes This quick guide will help you set up the IMPACT TWIN in a typical application For further details and other usage scenarios please refer to the following section of this manual Unpacking e Open the box from top and remove cabling e Remove Impact Twin from the plastic bag
40. rference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures e Reorient or relocate the receiving antenna e Increase the separation between the equipment and receiver e Connect the equipment into an outlet on a circuit different from that to which the receiver is connected e Consult the dealer or an experienced radio TV technician for help For Customers in Canada This Class B digital apparatus complies with Canadian ICES 003 Cet appareil num rique de la classe B est conforme la norme NMB 003 du Canada INTRODUCTION Safety 5 Table OF CoOntellls is ia 3 12 058198811194 ABRE OUR ON m 5 Quick Setup 6 OVERVIEW _ Front Panel 8 Rear Panel 11 Mixer Page E 12 Channel Sections 1 2 14 Line 3 4 Module eere nennen 16 S PDIF MOUUIB ias tienes eritis 16 ADAT TOS 17 Lock Indication 17 Reverb 17 Ma
41. rolled on 18 Master Module From the Master Module s drop down menu you can select which DAW channel pair should be mixed with Impact Twin s physical inputs MASTER MODULE iy Options FW 1 2 main MXN 10 main FW 3 4 line EX ret 5 5 pei STE SIDE FW 7 8 adat tos FW 9 10 adat FW 11 12 adat FW 13 14 adat DAW MIX Knob Controls the balance between the channels of the mixer and the DAW signal When set to 0 you hear only the sources connected to the physical inputs on the Impact Twin When set to 100 96 you only hear your DAW 100 is the same as turning direct monitoring OFF LEE 11 EET DAW mix can also be controlled on the front panel of the Impact Twin using the ADJUST knob 00 The M within a green circle in the DAW status EJ display indicates that this device is the clock master in the setup In setups with multiple audio interfaces only one of the audio interfaces can be clock master If the display shows NO LOCK the connection to the computer is unstable For more information please refer to the Operation Mode parameter in System Settings TC NEAR CONTROL PANEL MIXER PAGE Signal LED Indicates when a signal is present on the selected input 100 Button Clicking this button sets the DAW MIX parameter to 100 This way you can quickly turn off direct monitoring STEREO MONO SI
42. s FireWire port Check your computer s specifications BR Before plugging the FireWire connectors make a sure that plugs are positioned correctly NOTE Please read the manual section on bus power 4 MIDI In Out Standard MIDI In Out jacks REAR PANEL OVERVIEW LINE OUTHUTS LINE 5 CH3 L CHI MAINL CH4 R CH2 MAINR CH4 R CH2 R 5 S PDIF Digital In Out Coaxial 24 bit digital in out on S PDIF Instead of operating these digital connectors as input and output you can also use them to insert e g an external digital effects unit and use this as a send effect in the direct monitoring audio path 6 Line Outputs balanced 1 4 inch TRS jack outputs for Main Left CH1 and Main Right CH2 Left CH3 and Right CH 4 BR When connecting the Main outputs to a device ZPN e g active speakers with unbalanced inputs ground and cold must be connected On XLR type plugs these are the pins 1 and 3 On Jack type plugs these are the sleeve and ring NOTE parts 7 Line Inputs balanced Ch 1 Left Ch 3 Left Ch 2 Right Ch 4 Right 8 DI DO ADAT TOS In Out Optical S PDIF or ADAT for up to 8 channels of digital I O depending on format and sample rate lI TC NEAR CONTROL PANEL MIXER PAGE TC NEAR CONTROL PANEL SYSTEM SETTINGS MY IMPACTTWIN No Lock 12345878
43. signals With integrated JET technology the Impact Twin is able to perfectly align all digital signals from external digital sources This means that all supported digital formats will be aligned to ensure maximum digital quality JET patent pending Next generation of jitter elimination and sync handling based on experience from TC s flag ship products System 6000 EQ station and AIR speakers DICE II has been specially developed for high performing digital interfaces S PDIF ADAT 1394 and AD DA DICE Il is based on many years of research and experience from making products for the top professional market including studios and broadcast industry The DICE II s hardware based FireWire audio streaming engine ensures robust glitch free performance independent of how many channels are being streamed 43 APPENDIX TECHNICAL SPECIFICATIONS Digital Inputs and Outputs Connector S PDIF Formats S PDIF and TOSLINK Connector ADAT or TOSLINK Format ADAT Digital IO Engine Clock and Jitter Internal Sample Rates External Sample Rates Jitter Rejection Engine Jitter Rejection Filter 4th order DIO Interface Jitter AD DA Conversion Jitter Digital Output Phase stand alone and across network Input Slip Sample Tolerance all Dis Processing Delay DIO 96 48 kHz Frequency Response DIO Line Inputs Ch 1 2 3 4 Connectors Impedance Bal Unbal Full Scale Input Level 0 dBFS THD N SNR Freq
44. song the sample rate shifts to 48 kHz Though Impact Twin receives information about the sample rate it still provides the actual digital clock Lock Status The TC Near Control Panel may display one of the following lock status messages INTERNAL LOCK Indicates that the system is locked to the Impact Twin unit set as clock master EXTERNAL LOCK Indicates that the system is locked to an external digital device connected to the Impact Twin set as clock master NO REFERENCE External sync on the Impact Twin set as master is unobtainable Check connections and external device AUTO COAST NO REFERENCE External reference sync is lost This may happen if e g the reference device has been shut down or when a cable has been removed In this situation the Impact Twin will auto coast and immediately shift to the latest received valid clock AUTO COAST BAD REFERENCE This message appears when receiving a bad reference sync source This would occur if the external device delivers an invalid reference clock outside the acceptable range of 1 5 or after Impact Twin has been in AUTO COAST NO REFERENCE mode and a new invalid reference clock is received In this situation Impact Twin will auto coast and immediately shift to the latest received valid clock rate AUTO INTERNAL NO REFERENCE This message appears when a valid external reference sync source has not been found Maybe the reference device has not been t
45. ster 18 Patch Bay 19 SETUP EXAMPLES 20 MODI StUdIO 22 Ableton Live 24 Stand alone i esee 26 External 27 To external mixer with in 28 Impact Twin as a Converter 29 Total Recall File Menu 29 System Settings m 30 Buffers and 31 Audio 6 31 Operation 32 System GIOCK qm 33 5 JO Reset to 5 36 WOM Fag Em df The Impact Tuner eese eene 38 TC Electronic Sindalsvej 34 DK 8240 Risskov info tcelectronic com TABLE OF CONTENTS APPENDIX Bus Power 40 ASIO Channel 41 anal uro MEN 42 Miscellaneous eee 43 FOV 43 DICE Technology Background 43 Technical Specifications 44 English Version Manual Revision 1 0 IMPAC
46. t Twin if Impact Twin is set as clock master This applies even if no audio is sent from Impact Twin to the external device The clock must be provided by the master Reverb Module mdp This is the section that receives signal sent via the Reverb Send controls on channel strips 1 2 Line DECAY a 3 4 ADAT TOS and SPDIF E From this module s drop down menu MEE DELAY you can select the desired Reverb COLOR type CJ w Live 1 Hall Plate Club ConcertHall1 Cathedral Church Room smallRoom Ambient Live 2 Live 3 Spring E 17 TC NEAR CONTROL PANEL MIXER PAGE Reverb Parameters PRE DELAY Knob A short delay placed between the direct signal and the reverb s diffuse field By using pre delay the source material is kept clear and undisturbed Range 0 to 100 ms DECAY Knob The Decay parameter determines the length of the reverb diffuse field The length is defined as the time it takes for the reverb to decay approximately 60 dB Range 10 ms to 20 seconds COLOR Knob Varies the color of the reverb From dark to crisp and bright the Color parameter can really change the characteristics and style of the reverb Range 50 dark to 50 bright MUTE Button Mutes the reverb module Fader Master level control for the reverb module the front panel of the Impact Twin using the ADJUST knob Reverb level and decay can also be cont
47. tency is only a problem if you monitor your audio through your computer or if you play virtual instruments using an external MIDI controller In this case the lag between the notes you play and the audio you hear can become irritating If you need to run your system with large buffers be aware that all TC audio interfaces have a built in direct monitor section which is used to monitor your signal you can e g listen to your microphone through your headphones with a very low latency few milliseconds Audio Dropouts In general audio drop outs are the result of two different types of irregularities A Drop outs caused by limited CPU power This situation typically occurs when you run a great number of audio tracks and plug ins at the same time In this case the solution would be to increase the Buffer Size Increased buffer size allows the computer to work on bigger chunks of audio and thus use less power However increasing the buffer size also results in a higher latency time The optimal buffer size setting will therefore depend on the components of your computer particularly the CPU Bottom line Higher buffer size more stability and more latency Lower buffer size less stability and less latency 3l SYSTEM SETTINGS B Drop outs caused by DPC spikes If you increase your buffer size but still experience audio dropouts DPC spikes may be the cause of the problem DPC spikes typically occur if one or more hardwa
48. times when the Impact Twin tab in the control panel is selected This comes handy if you have more than one TC audio interface connected to your computer In this case you can use the device tab to identify the audio interface 2 Mic Inst CH1 CH2 on Combo XLR Jack Combo XLR Jack inputs Both XLR and 1 4 inch jacks can be used with this connector The XLR Connection Balanced Connect a microphone and your signal is processed via the IMPACT mic pre amps PAD INST IMPACT TWIN COMP MIX STEREO SIDE PHCINES 2 Nt MUTING OM SS NON e MUTING PUSH GAIN TRIM AD UST When using condenser microphones activate phantom power see section 6 on the following page The Input LEDs 4 indicate the level of the input signal If the red O L LED overload is lit your signal is too hot and you should press PAD INST to attenuate the signal by 20 dB The 1 4 Jack Connection Press PAD INST to activate this circuit PAD INST N The 1 4 jack part of the combo connector is a high quality Hi Z circuit that has been designed especially for connecting a passive guitar pick up system e g Strat type directly The jack inputs on the front panel are unbalanced If you wish to use balanced equipment using TRS jacks you should connect them via the line inputs on the rear panel Important BR If you use the 1 4 jack part of the Combo
49. ting the TC Near Control Panel powering your Impact Twin off and on again then finally re launching the TC Near Control Panel BR During this procedure the software will not be degraded to previous software versions and no presets are affected TC NEAR CONTROL PANEL IMPACTTWIN SYSTEM SETTINGS SPEAKER SETUP Stereo ImpactTwin FW 1 ImpactTwin FW 1 main ImpactTwin FW 2 main ImpactTwin FW 2 main ImpactTwin FW 3 line i ImpactTwin FW 3 line ImpactTwin FW 4 line ImpactTwin FW 4 line ImpactTwin FW 5 coaxial ImpactTwin ImpactTwin FW 6 coaxial ImpactTwin a ImpactTwin FW 7 optical fImpactTwin FW 7 optical 4444444 4 f ImpactTwin Fw 8 optical fImpactTwin Fw 8 optical WDM is Windows audio driver system It is used for Windows own sounds media players and other applications that do not support ASIO Also applications such as PowerDVD use WDM as their audio driver system If your audio application supports ASIO we recommend using the ASIO driver General Speaker Setup The Speaker setup is selected in Windows Audio Devices properties Sounds and Go to Control Panel Sounds and Audio Devices Properties Audio and select Advanced in the Sound Playback section
50. tings The object here is to send your pre listen signal to Line 1 2 which is also your headphones out and the main mix for the audience to Line 3 4 and further on to the venue s amplifier speaker system First let us take a look at the Master section Three settings are important here Cue Out sends to main outputs 1 2 These outputs are linked to the headphones output Master Out sends to line outputs 3 4 This is the signal that you feed to the PA Cue must be selected as opposed to solo which is the other option Press the button to alternate between the two settings Now we need to link two tracks to Cue Out and Master Out Jp Here we have linked track 1 to Master Out this is the signal the audience will hear On track 2 we have pressed the Headphones button this track is sent to Cue Out 25 SETUP EXAMPLE STAND ALONE SETUP EXAMPLE EXTERNAL EFFECT TC Near Patchbay Active speakers PATCHEAY MOLLE LINE SPOF TOS ADAT T 1 2 1 2 3 4 E B 7 0 FRONT VIEW FIREWIRE 1394 5 1 2 TOS ADATI 2 2 4 ADATE 8 ME CD PLAYER TOS MIC IN XLR COMPUTER WITH FIREWIRE INSTRUMENT IN 1 4 JACK To make this setup work as a standard alone unit with no computer attached a few se
51. ttings must be set on the TC Near Control Panel s About page before detaching the computer Impact Twin can even be used without being connected to a computer As a stand alone unit it still provides both the excellent mic pre amps and Hi Z inputs on channels 1 and 2 In stand alone mode you also benefit from all channel strip id wit If f i t hard ffect unit tand Alone Sample Rate you prefer using an external hardware effect unit as a BY settings EQ Compression De Essing and Reverb Stand Alone Sync Source send effect instead of the built in Reverb this is also IMPORTANT 1 possible The Reverb Send knob of the TC Near Mixer s S Connect the microphone to CH1 and the guitar to AS 2 on the front panel If you are using a condenser Connect the external signal processor via the S PDIF microphone activate phantom power Adjust input Stand alone Sample rate must be set to 44 1 kHz jacks Out to In and In to Out levels using the GAIN TRIM controls Stand alone Sync source must be set to Optical As illustrated above to the right set effects send to PDIF Module MUST be set to 0 otherwise you will start a feedback loop SCF Connect a CD player to Impact Twin either by connecting the CD player s analog outputs to Impact Twin Line Inputs 3 4 or as illustrated above by connecting the CD player s out to TOS DI on the Impact Twin using an
52. urned on or a cable has been removed In this situation Impact Twin will go to auto internal and use the internal clock as this is the best solution under the given circumstances SYSTEM SETTINGS AUTO INTERNAL BAD REFERENCE This message appears when a valid reference sync is never received This situation occurs when the reference device only has delivered an invalid reference clock outside the acceptable range 1 596 or when the unit was in AUTO INTERNAL or NO REFERENCE mode and a new invalid reference clock source has been attached In this situation Impact Twin will go to auto internal and use the internal clock as this is the best solution under the given circumstances Versions This section provides information on the versions of the Control Panel software and the FireWire driver TC NEAR SOFTWARE PACKAGE Audia Interface C 2 3 1 443 186 TC NEAR CONTROL PANEL 2 3 1 r2889 TC NEAR 1394 FIREWIRE DRIVER 3 4 2 6300 ov v 4 EN FW Pha Check for Software Updates If the computer is connected to the Internet you may check for updates by pressing Check Now You will be directed to the Impact Twin product page at www tcelectronic com Press Click here to download the latest version and download the full installer Run the installer 35 ABOUT PAGE FIRMWARE UPDATE Firmware Updates e Once you have run the installer see above the latest
53. uter needs to process 1024 samples this would be very few samples but this a good number for the example It can do this by either processing two buffers of 512 samples four buffers of 256 samples or perhaps eight buffers of 128 samples all depending on the buffer size The point here is The larger the buffers are the more time it takes before the audio is being processed Accordingly larger buffers introduce larger latency On the other hand The more buffers need to be processed the more CPU power the computer has to allocate to this process So basically the buffer size represents the balance between latency and CPU power consumption Setting the right buffer size therefore very much depends on how fast your computer is and how many other CPU consuming tasks the computer has to do It is worth noticing that audio plug ins tend to consume a lot of CPU power This is especially true for virtual instruments but also for some effects plug ins such as high quality reverbs If the buffer size is set too low you will experience audio dropouts SYSTEM SETTINGS So if you have a very fast computer and run few plug ins you can easily go for a low buffer size You ll be rewarded with low latency i e a system that is very responsive But if you have a slower computer and or use lots of plug ins at the same time you will have to choose a larger buffer size which will introduce more latency Direct Monitoring Large la
54. version of firmware is placed in the TC Near folder on your hard disk e You will now need to update the firmware for each Impact Twin unit in the setup e Go to the About page for the unit you wish to update Example TC NEAR CONTROL PANEL IMPACTTWIN SYSTEM SETTINGS ABOUT IMPACT TWIN FIRMWARE VERSION 0 21 BUILD 2564 Nickname UPDATE FIRMWARE RESET TO DEFAULTS Stand Alone Sample Rate Stand Alone amp ync Source c by TC Electronic 2009 All rights reserved tc electronic e Click UPDATE FIRMWARE You will now directed to the folder where the firmware is located 36 Example Please select the file to upload m lt RN DigitalkennekEx32 tca My Recent ImpactTwin tca EEUU 2 Konnektz4D Eca KonnektLive Fca Desktop Studiokonnekb4s tca e Select the xxx tca file relevant for your unit This is the latest released firmware Now click Open and wait while the firmware is being updated Important After the firmware update you are asked restart the TC Near Control panel AND to power off power on you Impact Twin These instructions MUST be followed Reset to Defaults The Reset to Default function will reset the selected Impact Twin unit to factory default settings for the currently loaded software Important After you have reset your unit to defaults we recommend quit
55. y from a particular channel BK NOTE If you don t hear any reverb when turning up this control make sure that the fader on the Reverb module is turned up as well Solo Button Mutes all other channels allowing you to hear this particular channel solo Mute Button Mutes this channel only Fader amp Meters The fader sets the channel level The meter indicates the level The text field above the fader can indicate a number of things Example 1 Na Input 1 4 jack has been inserted into this channel s input You should see meter activity when the source sends a signal Example 2 If you see an exclamation mark you have inserted a jack in the instrument input To engage the instrument input 15 TC NEAR CONTROL PANEL MIXER PAGE you need to press the INST switch on the front panel of Impact Twin Example 3 With XLR plug inserted into MIC input 1 or 2 the display will show MIC In addition the input can show PAD You have pressed the PAD switch PH You have pressed the phantom power switch Precise indication of meter values X9 If you place the mouse over any meter you will see a precise value indication in the Control Panel s info line The info line is at the bottom of the TC Control Panel Pan Knob Left right Pan control for channel sections 1 amp 2 and ADAT channels Bal ance Knob Left Right balance control for the Line S PDIF and TOS stereo ch
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