Trane RX-212 User's Manual
Contents
1. Power Cord Ground Terminal GND Foldback Line Output Connectors and Jacks LINE OUT 1 2 Echo Output Jacks ECHO SEND Ground Terminals GND Stereo Input Pin Jacks STEREO IN 1 2 Recording Output Pin Jacks REC OUT PGM L PGM R Auxiliary Echo Input Jack AUX ECHO IN Sub Input Jacks SUB IN PGML FB1 2 ECHO Connection Example Main Speaker Systems Right Main Speaker Systems Left These XLR connectors are bal anced transformer isolated floating and accept low imped ance sources of from 10dB to N 60dB nominal level The input level must be adjusted by the in put level selector switch and trim control Dual Power Amplifier Dual Power Amplifier Wireless Tuner J Keyboard Unbalanced input jacks ac cept high impedance sources of from 30dB to 0dB nominal level The in put level switch on the front panel must be set at the UN BAL position Record player with magnetic cartridge The stereo input switch on the2. Built in electronic analog echo unit 10 Dual graphic equalizers 1 1 octave 9 bands are switchable to either the program or foldback outputs 11 Additional stereo inputs for connecting a stereo playback deck disk player and other auxiliary equipment 12 Fluorescent bargraph peak meters for monitoring the programs L and R and foldbacks 1 and 2 Front Panel Input Section Peak Indicator The peak indicator lights if clipping occurs in the pre amp stage of the corresponding input channel When the light comes on an adjustment must be made with the Input Level Selector Switch and or the Input Trim control Input Level Selector Switch INPUT Selection is made in accordance with the output of the microphone or other equipment connected to each input channel XLR connector and phone jack 20 40 and 60 dB indicates the input sensitivity ofthe XLR connectorinput when the trim control is set at the 0 position The UN BAL position permits using the phone jack input The unbalanced input sensitivity is 30dB when the trim control is set at the 0 position Input Trim Control TRIM The input trim varies the gain of the pre amplifier stage of each input channel providing a continuously variable control of gain in the range of 0 to 30dB from the input level switch position For instance with the input level selector switch set at 60dB the variable range is between 60dB and 30dB High Equalizer Contr
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4. Operating Instruction Manual TOA MIXING CONSOLE Model RX 208 RX 212 RX 216 TOA ELECTRIC CO LTD OBE JAPAN General Descriplionozus illa 2 cp LH 2 Front Panel Input Section 3 Front Panel Output Section 4 Meter Panel rra 5 Rear Panel RX 208 aloni lo Bx 6 Rear Panel RX 212 RX 216 EN das 7 Connection 1 8 10 How to use channel patching accessory 11 How to get a good mixing ile 12 Channel and Graphic Equalizers 13 14 General Specification 14 Input amp Output Specifications 15 Characteristic Drapramis 444 444 or 16 SD c duct aet utu oaa RU LO Ed 17 Level Diara eS ose i nen peto Lee 18 Dimensional Diagrams 18 Precautions 1 Each model of the RX 208 RX 212 and RX 216 has two versions 120V AC operation only and 220 240V AC operation VOLTAGE SELECTOR with a voltage selector The voltage selector on the rear panel AC220V AC240V of the 220 240V version should be check for proper setting prior to operation as improper setting causes trouble The C voltage selector is set for 240V operation at the factory 2 Power Switch Th
5. 420dB 7 8V PHONE JACK ECHO SEND 64 ohms 600 ohms 204 78mV 4dB 490mV PHONE JACK REC OUT ohms 10k ohms 104 250mV 104B 2 5V RCA PIN JACK ACCESSORY SEND 1k ohms 10k ohms 04 775mV 204B 7 8V 3 PHONE JACK 75mW 8 ohms 370mW 8 ohms STEREO PHONES 18 oms S ohms or higher 04 775mV 74 1 7V PHONE JACK Sensitivity is the level required to produce a nominal speaker output level AIl XLR type connectors are floating balanced and transformer isolated ACCESSORY jacks 3P PHONE JACK are wired Ring Send and Sleeve Common Stereo phone jack is wired Tip Left Ring Right and Sleave Common Note As is described in the beginning of the operation manual the XLR type connectors of the RX 208 RX 212 and RX 216 are wired as follows Pin No 1 Ground Pin No 2 Cold Low Pin No 3 Hot High Specifications are subject to change without notice Caution The fuse rating for 120V AC operation is 2 amps and 1 amp for 220 240V AC operation The fuse must always be replaced with same type and rating 15 Characteristic Diagrams Frequency Response Input EQ Characteristics 20 50 100 200 500 1000 2000 5000 10000 20000 Hz L7 PON Cl WIW wi AIA iL lI 20 50 100 200 500 1000 2000 5000 10000 20000 Hz i 2 08 6 SANOHd Tas Tes C 0 0 Ano INIT ayd HOSS3HdWOO Q
6. front panel must be set at the PHONO position Power Amplifier Foldback Speaker Systems Self Powered Speaker Systems BBBBB 968888 C Playback Tape Deck The stereo input switch must be set at the AUX position with the nominal level of 20dB Foldback Speaker Systems Foldback Speaker Systems Self Powered Speaker Systems Stage Monitor Speaker Systems Tape Deck for recording Main Speaker Systems Right 4 way multiple driving POWER Pow E AMPLIFIER AMPLIFIER AMPLIFIER AMPLIFIER AWAY DIVIDING NETWORK GRAPHIC EQUALIZER COMPRESSOR ILIMITERS Main Speaker Systems Left 4 way multiple driving POWER AMPHIFIER DIVIDING NETWORK GRAPHIC EQUALIZER Foldback Speaker Systems Sd sE g GRAPHIC EQUALIZER STAGE LAYOUT EXAMPLE Top Synt Pl E ELI bod 9 2 55 123 Chorus LP2 1 cd vocal GRAPHIC EQUALIZER STEREO fim COMPRESSOR TAPE DECK 7LIMITERS for recording for playback Yo Y 2 CHANNEL NOTCH FILTER PARAMETRIC NOISE n EQUALIZER 0 How to use channel patching accessory jack The accessory jack Tip Ring Sleeve is provided on each input channel to allow insertion of outboard signal proces
7. 12 Channel and Graphic Equalizers Equalization for music The Graphic Equalizer is designed not only for use in preventing feedback and equalizing uneven room frequency response to be flat but also for equalizing frequency response to your tastes and producing favourable sound for you Fig 1 shows each frequency band and its corresponding auditory feeling Fig 2 and Table 1 show the relation between each musical instrument and its frequency band They can be of great help in the equalizer operation They are referenced from a book entitled Practical Guide for Concert EQUALIZATION CHART These sounds The rhythm Probably the most Upper vocal region Presence range Sibilance are felt more section appears important of all Most Too much here will Great achievement levels can be than really here Either a fat all instruments cause great fatigue in overall level can controlled heard They or thin sound can contain harmonics and loss of speech be had here Too here Bright give a sense of be heard by mis here intelligence Reducing little causes a far clean defini power Too EQ here Too much 300Hz boosting can 3k can bring vocals away sound tion much produces becomes boomy cause horn like ontop a muddy Bass guitar Snare sounds 1k to 2k sound Toms sounds tinny Too much here sounds like the telephone Figure 1 INSTRUMENT CHART 63 125 250 500 1k 2k 4k 8k 16k INSTRUMENT EQUALIZATION CHART 12 Acoustic guitar Bass
8. Trim control Thorough understanding of the function of a Trim control will make mixing easier TRIM e The function of the Trim control is that the negative feedback volume of the head amp is changed so that the gain ofthe head amp can also be changed Because ofthis OUTPUT enough dynamic range even for the high level signals is HEAD AMP ensured Also S N ratio will be better by decreasing the gain of the head amp proper For example a microphone balanced with an output level of 50dB a tape deck balanced with an output level of 0dB and a wireless tuner with an output level of 20dB are connected to the console Microphone in Tape Deck in Wireless tuner in 50dB level OdB level 20dB level 4 First the Trim control must be turned down so that the peak indicator will not be lit ifan excessive signal comes in Nevertheless if it is still on the input level switch must be rotated to the left 1 step This can be applied to the BAL inputs only not to the UN BAL inputs The input selector switch is set as shown in the left figure Trim control is set as shown in the left figure Also if the volume balance of each instrument microphone is kept by the Trim control the position of each channel fader will be uniform thus mixing becomes easier The faders in each channel are used in general between 0 and 10 If the hall is full and there is not enough volume the master fader must be turned up
9. busses Panning from one side to the other gradually assigns the input signal to either the Program L or R mixing busses exclusively Writing Block The name of the input equipment or microphone setting can be written in with an eraseable felt pen or a wax pencil Input Fader The fader provides continuously variable adjustment ofthe channel s output to the program L and R mixing busses and to the echo mixing bus The nominal level is at the 0 position with the fader retaining a 10dB margin Cue Switch CUE The cue switch is for monitoring the post EQ pre fader signal in each input channel through headphones The switch is a push on push off type When more than two switches are on the signals are combined Front Panel Output Section FB 1 Volume Control 1 This control attenuates the echo return signals from the built in echo or an external echo unit and assigns them to the FB 1 mixing bus FB 2 Volume Control FB2 This control attenuates the echo return signals from the built in echo or an external echo unit and assigns them to the FB 2 mixing bus Stereo Input Switches INPUT Each switch has two positions aux and phono The aux position accepts line level signals such as tape recorders The phono position provides direct input and RIAA equalization for a turntable FB 1 Volume Control 1 This control attenuates the stereo input signals mixes them to a monaural signal and assigns them to the
10. master fader The XLR connectors are balanced transformer isolated floating with an output impedance and nominal level of 600 ohms and 4dB respectively The phone jacks are unbalanced with an output impedance and nominal level of 600 ohms and 4dB respectively Echo Output Jacks ECHO SEND These jacks are unbalanced with an output impedance of 600 ohms One jack is for 4dB output and the other is for 20dB output The jacks are provided for connection to external echo machines The 4dB jack can be used for output cascading Phantom Power Switches PHANTOM 1 8 The phantom power switch on each input channel permits the user to supply 48V DC through the input connectors to a con denser microphone If phantom power is not required the switch must be in the off posi tion Sub Input Jacks SUB IN PGM L FB1 2 ECHO These five jacks are directly connected to the corresponding mixing busses program L R FBI 2 and echo and are provided for cascade connection to expand the input capacity Accessory Send Receive Jacks ACCESSORY 1 8 These jacks are provided as patching points for inserting signal processing equipment such as compressor limiters noise gate etc An output impedance of the accessory send and an input impedance of the accessory receive are 10k ohms Both nominal signals levels are OdB Please refer to the detailed explanation on page Il Channel Input Unbalanced Jacks CHANNEL I
11. monitor ing the signal prior to the Echo Return volume control FB Fader 1 and 2 FB1 FB2 These faders control the overall signal level of the mixes which are fed to FB outputs and 2 Cue Switch CUE The cue switch is used for monitor ing the signals prior to the FB and2 outputs Meter Panel Program L Output Meter PGM L The meter indicates the program L output level RX 208 RX 212 Graphic Equalizer EQUALIZATION Two channel 1 1 octave graphic equalizer with 9 bands filters enables 12dB of boost and attenuation at each center frequency with the 0 position of each filter providing flat response The graphic equalizer is switchable to either the program or foldback outputs or off for A B comparison Program R Output Meter PGM R The meter indicates the program R output level FB 1 Output Meter FB 1 The meter indicates the FB 1 output level FB 2 Output Meter FB 2 The meter indicates the FB 2 output level Graphic Equalizer Selector Switch Graphic Equalizer Selector Switch PGML FB 1 OFF PGM R 2 OFF The 3 position switch assigns the equalizer The 3 position switch assigns the equalizer to either the program L or FB 1 circuits with to either the program R or FB 2 circuits with the off position completely removing the the off position completely removing the equalizer from the signal flow path equalizer from the
12. reverb return signal directly to the program L and R mixing busses Inserting a plug in the jack interrupts the return signal from the built in echo unit The echo or reverb return signal can be controlled by the echo return volume on the front panel Rear Panel RX 212 RX 216 The RX 212 and RX 216 are the same as the RX 208 in functions except that the RX 212 has 12 input channels and the RX 216 has 16 input channels RX 212 Program Line Output Connectors and lacks LINE OUT L Power Switch POWER Power Fuse Phantom Power Switches PHANTOM 1 12 Accessory Send Receive Jacks ACCESSORY 1 12 Channel Input Unbalanced Jacks CHANNEL IN UN BAL 1 12 Channel Input Balanced Connectors CHANNEL IN BAL 1 12 Power Cord Ground Terminal GND Foldback Line Output Connectors and Jacks LINE OUT FBI 2 Echo Output Jacks ECHO SEND RX 216 Program Line Out Connectors and Jacks LINE OUT PGM L R Power Switch POWER Power Fuse Phantom Power Switches PHANTOM 1 16 Ground Terminals GND Stereo Input Pin Jacks STEREO IN 1 2 Recording Output Pin Jacks REC OUT PGM L PGM R Auxiliary Echo Input Jack AUX ECHO IN Sub Input Jacks SUB IN PGML R FB1 2 ECHO Accessory Send Receive Jacks ACCESSORY 1 16 Channel Input Unbalanced Jacks CHANNEL IN UN BAL 1 16 Channel Input Balanced Connectors CHANNEL IN BAL 1 16
13. signal flow path Caution The graphic equalizer is normally used for either the PGM or FB mix Fornormal operation only one button should be pressed Ifthe equalizer is not being used the OFF button should be depressed RX 216 The RX 216 is the same in its meter panel functions as the RX 208 and RX 212 FB 2 Output Meter FB 1 Output Meter Graphic Equalizer EQUALIZATION Program R Output Meter Program L Output Meter Graphic Equalizer Selector Switch Graphic Equalizer Selector Switch PGM L FB 1 off PGM R FB 2 off Rear Panel RX 208 RX 208 Program Line Output Connectors and Jacks LINE OUT PGM L R These connectors and jacks are the outputs of the console deriving the signals after each program master fader The XLR connectors are balanced transformer isolated floating with an output impedance and nominal level of 600 ohms and 4dB respectively The phone jacks are unbalanced with an output impedance and nominal level of 600 ohms and 4dB respectively Power Switch POWER This switch provides AC power to the console Power should only be applied after all audio connections have been completed Power Fuse Power Cord Ground Terminal GND The chassis must be grounded Foldback Line Output Connectors and Jacks LINE OUTFB 1 2 These connectors and jacks are the foldback outputs deriving the signals after each foldback
14. strings resonate between 70 to 120Hz body around 300Hz Avoid boosting these to stop feedback 3kHz and 5kHz give great 0 clarity Electric guitar Resonances differ depending on type Good full sounds around 12 300 to 500Hz Clarity at 3kHz Bass guitar Extreme lows are at 60 to 90Hz Pick or pluck sounds are around 800 to 1200Hz Upper harmonics clarified about 3kHz Human voice Good fullness at 150Hz Watch for boominess around 250Hz Mid range 10kHz Piano Acoustic Bass strings resonate around 100Hz Watch for sub harmonics at 30 to 50Hz Piano Electric Good mid clarity at 3kHz to 5kHz thins out rapidly in high end Be careful around 1 5kHz to 2 5kHz to avoid the bar room sound Organ Usually dies under 200Hz Has great mid sounds around 1200 to 2000Hz Top end cuts off at 6kHz Violin Rich fullness at 400Hz Natural raids around 1500 to 2500Hz Avoid scratch sounds at 8kHz Brass instruments Watch for hot mids around 2kHz Low end boost around 400Hz Top end clarity at 6kHz Bass drum Great low kick at 40Hz The mids at 2kHz gives the familiar punch Snare drum Good fullness at 100Hz The crack is boosted at 2kHz The snares extend to above 4kHz Tom Tom The main fullness is around 200Hz The mid punch extends to 4kHz Floor Tom Same as tom but extends down to 80Hz Hi Hat Watch for the gong sound around 300Hz Good shimmer sounds are around 8kHz to 10kHz Cymbal ov
15. AN Printed in Japan 133 02 573 2A
16. FB 1 mixing bus FB2 Volume Control FB2 This control attenuates the stereo input signals mixes them to a monaural signal and assigns them to the FB 2 mixing bus Balance Control BALANCE This control adjusts the level balance of the stereo input signals fed to the program L amp R mixing busses Writing Block The name of the input equipment can be written in with an eraseable felt pen or a wax pencil Stereo Input Volume Controls STEREO 1 STEREO 2 These controls adjust the level ofthe stereo in and 2 signals to be fed to the program L and R mixing busses Cue Switch CUE The cue switch is for monitoring the pre fader signal in each stereo input channel through headphone This feature is useful for cueing the start of a tape or record Writing Block The name of the input equipment or microphone setting can be written in with an eraseable felt pen or a wax pencil Program Fader L and R PGM L PGM R The program faders control the overall signal level of the program mixes which are fed to the program L amp R outputs and thus the output level of the assigned internal power amplifier Cue Switches CUE The cue switch is for monitoring the pre fader program signals through headphone This is useful for independent audition of the program mixes Echo Time Control T1 DELAY This control permits continuously variable adjustment of the echo time in either short or long ranges The short range i
17. HL YO ZIZ XY ZI NYHL 802 8 1 30 IVOIDAL 01 oH YI lf 0 CH v3 m ANI YS and ano 9 O Op li lt 0 pir NIVO IHAO1A01 8 0 YH NI T3NNVHO Lo va o IVENN WOLNVHd ANI WS SNIATSHS ZH 00 07 09 Wve 7 W9d E ZHX 20 ABp 01 onda ZH00 GIN MOT and S ONIATSHS ZH00 io 193 E 5 UNa I Dm 0 525508 9NIXIN 17 Level Diagram ACCESSORY PEAK LEVEL 20 Dimensional Diagrams ECHO MIXING BUSSES gt 14 9 14 REC OUT O 71 LINE OUT gt 02 cul ECHO SEND 20 PEAK LEVEL LINE OUT ECHO SEND REC OUT 7 ECHO SEND RX 208 RX 212 564 E 516 P 206 687 635 5 d N The above dimensional diagram is for the RX 212 Overall dimensional of the RX 208 is the same as the RX 212 RX 216 684 636 olo HE oleo isto eo ojojo 21918 elejelsie sio 10 Tk ele 010 101010 olo joio 68 635 al TOA ELECTRIC CO LTD KOBE JAP
18. N UN BAL 1 8 These 8 standard 1 4 phone jacks are unbalanced with an input level of 30dB and input impedance of 10k ohms They will accept low or high impedance sources When plugs are inserted into these jacks the input level switch must be set to the UN BAL position Channel Input Balanced Connectors CHANNEL IN BAL 1 8 The XLR connectors are balanced trans former isolated floating with an input im pedance of 600 ohms and will accept low im pedance microphones as well as other im pedance sources When the XLR connectors are employed the input level switch on the front panel must be set at the BAL posi tions Proper adjustment of both input level switch and trim control make it possible to provide the optimum setting for each input Ground Terminals GND These may be used to provide ground connection for tape decks or turntables Stereo Input Pin Jacks STEREO IN 1 2 Each stereo input has both AUX input and PHONO input pin jacks that are switchable on the front panel RIAA equalization is provided on the phono input for accepting turntables with magnetic cartridges Recording Output Pin Jacks REC OUT PGM L R The jacks are unbalanced and provide pre graphic EQ pre program fader signals for connection to tape recorders Auxiliary Echo Input Jack AUX ECHO IN This standard phone jack is unbalanced and accepts low or high impedance sources at nominal 20dB level The jack sends an echo or
19. ations are subject to change without notice Input amp Output Specifications INPUT SPECIFICATIONS 0dB is referenced to 0 775V RMS Actual For Use Input Level Trim 0 to Trim 30 Load With MAX Before Clip Impedance Nominal BAL 60 550 ohms 80dB 0 08mV 60dB 0 78mV to 30dB 25mV 40dB 7 8mV to 10dB 250mV BAL 40 800 ohms O 60dB 0 78mV 40dB 7 8mV to 104B 250mV 20dB 78mV to 10dB 2 5V BAL 20 900 ohms 404 7 8mV 20dB 78mV to 10dB 2 5V 0dB 775V to 30dB 25V UN BAL 25kohms 10kohms 50dB 2 5mV 304 25mV to 0dB 775mV 104 250mV to 20dB 7 8V PHONE JACK ACCESSORY RCV 10k ohms 20dB 78mV 0dB 775mV 204 7 8mV ORAE STEREO IN AUX 10k ohms 10k ohms 404 7 8mv 204 78mV 10dB 2 5V RCA PHONO 47k ohms 47k ohms 704 0 25mV 504 2 5mV 20dB 78mV PIN JACK AUXECHOIN 10k ohms 10kohms 40dB 7 8mV 204 78mV 0dB 775mV PHONE JACK 104 250mV 4dB 1 23mV 24dB 12 3mV PHONE JACK Sensitivity Connector Nominal XLR 3 31 type n OUTPUT SPECIFICATIONS 0dB is referenced to 0 775V RMS Output Level Output Actual Source Impedance For Use With Nominal Connector XLR 3 32 type 100 ohms 600 ohms 4dB 1 23V 20dB 7 8V Ad PHONE JACK m 90 ohms 4 123V
20. e power switch should be on after all connections have been completed 3 XLR Cannon Connectors The connectors are wired in the following manner Pin 1 is ground shield pin 2 is cold low minus pin 3 is hot high plus 4 Description of components and functions on the RX 208 RX 212 and RX 216 In our Operating and Instruction Manual explanation of components and functions is made according to our usage for them 4 General Description The RX 208 212 and 216 are mixing consoles with 8 12 and 16 inputs respectively 2 program outputs 2 foldback outputs and 1 echo output Each input channel and line output has a balanced low impedance transformer isolated XLR connector and an unbalanced 1 4 jack Each input channel includes an accessory send receive jack for inserting a signal processing device into the signal path and a phantom power ON OFF switch for permitting use ofa condenser microphone An input level switch and trim control on each input channel are provided to permit optimum settings A four band equalizer is included on each input channel A peak indicator LED on each input detects excessive inputs and helps avoid clipping A pan control on each input channel assigns the fader output signal of the channel to programs L and R A cue switch on each input channel stereo input aux echo input program output foldback output and echo send allows monitoring the respective pre fader pre volume signals through the
21. erhead About the same as hi hat but has more low end around 150Hz Talk Box Depending on the guitar sound driving it and the resonance ofeach player s mouth should have great bite around 1200Hz and dies above 6kHz Table 1 13 Channel and Graphic Equalizers Feedback Prevention When the overall gain of a sound system is increased feedback will occur at frequencies where the system response has peaks Suppose the system has uneven frequency response like that shown in the following diagram dB 63 125 250 500 4 8k 16k The frequency at which feedback will occur when gain is increased is about 500Hz In this case feedback may be prevented by attenuating levels at 500Hz by 3dB to 5dB with an equalizer Ifthe overall gain is again gradually increased feedback will occur next at about 125Hz It may be stopped by attenuating the levels 3dB to 5dB at that frequency In this procedure sufficient gain in the sound system is obtained before feedback General Specifications Frequency Response 0dB 0 5dB 0 5dB 3dB Total Harmonic Distortion 0 5 at 4dB 600 ohms at 1kHz Hum and Noise 20Hz to 20kHz input termination of 150 ohms Input level switch at BAL 60 Trim at 0 output termination of 600 ohms Equivalent Input Noise 124dB 20Hz 20kHz 127dB IHF A weighted S N 64dB PROGRAM OUT PGM Fader and one Input Fader at nominal level 64dB FB OUT FB Fader and one FB control at nominal leve
22. l 50Hz to 15kHz 20Hz to 30 kHz Crosstalk 60dB at 1kHz input to output Maximum Voltage Gain 84dB CH IN to PGM LINE OUT 84dB CH IN to FB LINE OUT 94dB CH IN to ECHO SEND 60dB CH IN to REC OUT 60dB CH IN to ACCESSORY SEND 44dB STEREO IN AUX to PGM LINE OUT 74dB STEREO IN PHONO to PGM LINE OUT 44dB AUX ECHO IN to PGM LINE OUT 24dB ACCESSORY RCV to PGM LINE OUT 10dB SUB IN to LINE OUT Channel Equalizer 15dB maximum LOW 100Hz Shelving LOW MID 300Hz Peaking HI MID 3kHz Peaking HIGH 10kHz Shelving 14 Graphic Equalizer 12dB maximum Center Frequency 63Hz 125Hz 250Hz 500Hz 1kHz 2kHz 4kHz 8kHz 16kHz Internal Echo Unit Delay Time SHORT 12msec 40msec LONG 40msec 140msec Peak Indicator LED turns on when the pre fader post EQ signal reaches 6 dB before clip Phantom Power 48V DC is applied to balanced input transformer for powering condenser microphones Meter 0 4dB output at LINE OUT 2 pairs of fluorescent bargraph meter for PGM L R and FB 1 2 AC Line Voltage AC Mains 50 Hz or 60 Hz Power Consumption RX 208 44W RX 212 49W RX 216 54W Finish Black panel rosewood trim Dimensions WxDxH RX 208 564 x 687 206mm 22 1 4 x 27 x 8 1 8 RX 212 564 687 206mm 22 1 4 x 27 x 8 1 8 RX 216 684 687 206mm 26 7 8 x 27 x 8 1 8 Weight RX 208 21 46 3 lbs RX 212 22kg 48 5 lbs RX 216 26kg 57 3 lbs Accessory Fuse 0dB is referenced to 0 775V RMS Specific
23. ol HIGH EQ The high control in each input channel alters the frequency response of the channel input allowing a variety of high frequency characteristics The high control provides 15dB of continuously variable shelving equalization at 10kHz having flat audio response at the detented 0 position High Mid Equalizer Control HI MID EQ The high mid control provides 15dB of continuously variable peaking equalization at 3kHz The detented 0 position is flat Low Mid Equalizer Control LOW MID EQ The low mid control provides 15dB of continuously variable peaking equalization at 300Hz having flat audio response at the detented 0 position Low Equalizer Control LOW EQ The low control provides 15dB of continuously variable shelving equalization at 100Hz having flat audio response at the detented 0 position Foldback Control 1 FB 1 The Foldback 1 control assigns the pre equalizer pre fader input signal to the foldback 1 mixing bus This control is used to route the input signal to stage monitor systems Foldback Control 2 FB 2 The Foldback 2 control assigns the pre equalizer pre fader signal to the foldback 2 mixing bus Echo Control ECHO The echo control assigns the post equalizer post fader signal to the echo bus Pan Pot PAN This control assigns the fader output signal ofthe channel to the Program L R mixing busses At the center position the pan pot routes the signal equally to the L and R mixing
24. phones output faders are log linear type with 60mm oftravel Additional stereo inputs are used to connect a stereo playback deck disk player and other auxiliary equipment Two independent foldback outputs are included pre fader pre EQ signals An analog electronic echo is built in but can be bypassed via Echo Send Return for external delay reverb or special effects Dual Graphic Equalizers 1 1 octave 9 bands are switchable to either the program outputs or foldback outputs A fluorescent bargraph peak meter 2 color vertical type monitors the outputs of the programs L and R and foldbacks 1 and 2 These consoles are designed for use in professional sound reinforcement systems and provide versatile functions to meet a wide range of requirements The high performance and modular construction assures reliability easy maintenance and serviceability Features Balanced low impedance transformer isolated XLR connector with an unbalanced 1 4 jack on each input channel and line input 2 An accessory send receive jack on each input channel 3 A phantom power switch on each input channel 4 Input level switch and trim control on each input channel 5 Four band equalizer on each input channel 6 Peak indicator LED on each input channel 7 Cue switch on each input channel stereo input aux echo input program output foldback output and echo send faders are log linear type with 60mm travel
25. s from 14m to 40m seconds the long range is from 40m to 140m seconds Echo Time Switch SHORT LONG The switch changes the echo time to either the short or the long range Regeneration Control T2 REGEN The T2 control is provided to adjust the echo pattern number of repeats of the internal analog delay Headphone Jack The headphone jack will accept any stereo headphone with 8 ohms impedance or higher Phones Level Control PHONES The phones level control adjusts both the program L and R signals fed to the phones output and permits stereo monitoring when the cue switch is off When the cue switch is on the control adjusts the corres ponding cue signal When two or more of the cue switches are on the control adjusts the corresponding combined cue signals Pan Pot PAN The pan pot control assigns the signals from the built in echo or external echo unit to the program L and R Echo Return Volume Control ECHO RETURN This control sets the signal level from the built in echo or from an external echo unit and sends it through the pan control to the pro gram L and R Echo Send Volume Control ECHO SEND This control is provided to adjust the overall signal level of the echo mix to the echo send output or to the internal analog delay Cue Switch CUE The cue switch is used for monitor ing the signal prior to the Echo Send volume control Cue Switch CUE The cue switch is used for
26. sing devices example compressor limiters noise gate equalizer etc into the signal path The jack functions as both an output and an input Tip Receive Ring Send Sleeve Shield Connection cables for this purpose should be wired as illustrated in Fig 2 Inserting a plug into the jack interrupts normal signal flow and places the external device into the circuitry just prior to the input equalizer section See Fig 1 3 conductor Sleeve Effector Before inserting plug After inserting plug Accessory receive Accessory send The connection marked 3 of the shield and sleeve is determined by the type of equipment to be connected Figure 2 The accessory jacks may also be used as a direct output for each input channel allowing direct connection to a multi track tape deck or use as an additional effects mix Delay To unbalanced input of other input channels to mix dry signals with processed signals Direct output Figure 3 Normal impedance of the accessory send is greater than 10k ohms and the receive impedance is 10k ohms Both nominal levels are at 0dB 0 775V 11 How to get a good mixing eBefore connecting the equipment to the mixing console check the impedance and level of both If the impedances and levels do not match mixing will be very difficult and the S N ratio will also be adversely affected e Each input channel of the RX 208 RX 212 and RX 216 is provided with a
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