Telex DN9848 User's Manual
Contents
1. P25 X LINE 3W S 6DBU R2 7 X line Sub Array 8 outputs used og ou gt O DW gt In 1 A LF B D A 1191 SUB B D A LF B D A 1191 SUB B D A LF B D A 1191 SUB B D 1 2 LF Xsub LF Xsub Technical Specification Out 2 3 4 5 MB HF FULL LF 2153 LF 2153 2153 MB HF 1191 SUB MB HF FULL LF 1123 LF 1123 1123 MF HF 1191 SUB MB HF FULL LF 2123 LF 2123 MB 2123 HF 1191 SUB Out 3 4 5 Xfil MB Xfil HF Xvlt MB Xfil MB Xfil HF MB 35 MB 2153 LF MB 1123 LF MB HF 2153 MB HF 1123 MF HF 2123 LF 2123 6 7 Xvls MB Xvls MB REAR NLL FULL 2153 HF FULL 1123 HF FULL 2123 HF 8 Xvls HF Xvls HF WJ2. Please ensure that you read and follow the IMPORTANT SAFETY INSTRUCTIONS at the front of this manual and the SAFETY WARNINGS and INSTALLATION CONSIDERATIONS given below Safety Warning To prevent shock or fire hazard do not expose the unit to rain or moisture To avoid electrical shock do not remove covers Refer servicing to qualified personnel only This unit is fitted with a standard fused IEC mains power socket The unit contains a switch mode power supply that automatically adjusts itself to 50 60Hz mains supplies in the 100 V to 240 V 10 AC range This information is printed on the rear of the unit below the mains inlet socket Before connecting this unit to the mains supply ensure that the fuse fitted is the correct type and rating as indicated on the rear panel For safety reasons the mains earth lead should never be disconnected In the event of ground loop problems disconnect the signal screen at one end of the connecting cables note that this can only be done when the unit is used within a balanced system Installation Considerations Location Do not install this unit in a location subjected to excessive heat dust or mechanical vibration Allow for adequate ventilation around the unit making sure the unit s fans and vents are not obstructed To prevent excessive heating of the unit avoid mounting the unit directly above power amplifiers or other devices that radiate significant amounts of heat Where necessary
3. Loudspeaker Processor OPERATORS MANUAL Software Version 3 02 Telex Communications UK Limited Klark Teknik Building Walter Nash Road Kidderminster Worcestershire DY11 7HJ England 44 0 1562 741515 44 0 1562 745371 Email sales ktgplc com Website www klarkteknik com DN9848 Loudspeaker Processor Operators Manual DOCO2 DNO9848 Issue 2 0 January 2005 c Telex Communications UK Limited In line with the company s policy of continual improvement specifications and function may be subject to change without notice This Operators Manual was correct at the time of writing E amp OE IMPORTANT SAFETY INSTRUCTIONS CAUTION DO NOT OPEN WARNING TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE AVIS RISQUE DE CHOC ELECTRIQUE NE PAS OUVRIR These symbols are internationally accepted symbols that warn of potential hazards with electrical products QT UE SHE x ee m 10 11 12 13 voltage within the product s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instructions in the literature accompanying the appliance The lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence
4. USB port B B Electronics USOTL4 For full details of recommended converters and pin out connections please refer to the KlarkTeknik com website www klarkteknik com faq connections htm 4 Boot up or re boot your laptop PC Important If the connection is made to an already running laptop PC you must re boot to ensure the new COM or USB port is reliably recognised This is a limitation of the port devices 5 Open your Stardraw or Smaart application Your network is now ready for remote control operation Successful communications is indicated by rotating t r symbols To disable remote control 1 Press and hold the HOME SETUP button to access the Comms menu page 2 Use the left hand knob to set the Channel to Off 3 Press the HOME SETUP button to accept The unit front panel controls are now available for manual operation RLARR ERIS 26 Application Notes 10 APPLICATION NOTES 10 1 The Advantage of DN9848 Look Ahead Limiters The limiter in a loudspeaker processor is the last line of defence in protecting the speaker drivers from damage and as such it has a very specific and critical job to do One of the chief modes of loudspeaker failure is driver over excursion and unless the limiter is designed to act instantly in response to sudden increases in level it will allow through brief transients that can cause damage through over excursion All dynamics processors take a finite amount of time to respond to a
5. Normal Frequency 10 0 kHz Burst 10 ms Interval 100 ms High Level 10 0 dBu Low level 40 0 dBu DN9848 settings HPF 1 25kHz Lnk Ril 24dB Oct LPF 20kHz Lnk Ril 24dB Oct Limiter Threshold 0 0dBu Release 50ms Response Hard Knee Competitor settings HPF 1 26kHz Lnk Ril 24dB Oct LPF 22kHz Lnk Ril 24dB Oct Limiter Threshold 0 0dBu Attack amp Release Automatic All other settings are default on both units As with all units that use sigma delta ADC and DAC converters there is a propagation delay from input to output 3 2 ms for the DN9848 and 2 1 ms for the competitor unit the additional delay in RLARR 27 Application Notes DN9848 is caused by the use of sigma delta converters for both analogue to digital and digital to analogue conversion the competitor unit uses a different method of digital to analogue conversion which allows the DN9848 to achieve its superior dynamic range In order to prevent driver failure the competitor product s limiter threshold needs to be reduced such that the peak of the transient is at the same level as the threshold of the DN9848 s look ahead limiter with a major effect on efficiency of speaker systems as the effect of reducing the limiter threshold is to limit the amount of continuous output power available which means more amplifiers and more speaker cabinets to achieve the same SPL In the example below the competing unit s limiter threshold has been
6. control set to 1 at 01 19 01 16 00 02 frequencies of 300Hz 1kHz and 10kHz and also set to 6 max and 0 4 min at 1kHz As can be seen the filter response now tends from 360n at low frequencies to On at high frequencies and Q controls the rate at which the phase changes i e the slope around the transition point With low Q the phase changes gradually across the whole frequency range With high Q the phase changes rapidly in the transition area and is unchanging at 3609 0 over the remainder of the frequency spectrum Hence the 219 order all pass provides the user with the additional control of shaping the phase shift window 01 19 01 16 09 11 Audio Precision 2nd order allpass Q 1 300 1K 10K Q 6 Q 0 4 1K 400 400 300 _ 300 200 200 d e 1007 100 9 9 05 _ 0 100 100 200 200 20 50 100 200 500 1k 2k 5k 10k 20k Hz Color Thick Data Axis Line Style Solid 1 Yellow Solid 1 Yellow Solid 1 Anlr Phase Left Anlr Phase Right Anlr Phase Left phase at1 Response of the all pass filter for 2nd order phase shift with Q 1 at frequencies of 300Hz 1kHz and 10kHz and also with Q 6 at max and Q 0 4 min at 1kHz Note Both filters are all pass with a flat amplitude response between 20Hz and 20kHz only the phase response changes with frequen
7. Butterworth 6dB Oct 12dB Oct 18dB Oct 24dB Oct 36dB Oct 48dB Oct Linkwitz Riley 12dB Oct 24dB Oct Bessel 12dB Oct 18dB Oct 24dB Oct 36dB Oct 48dB Oct 50Hz to 20kHz in 21 steps octave 20Hz to 20kHz in 21 steps per octave 12 12dB in 0 1dB steps 3 0 to 0 08 20Hz to 20kHz in 21 steps per octave 12 12dB in 0 1dB steps 6dB Oct and 12dB Oct 21dBu to 10dBu in 0 1dB steps Yes No 40ms to 100ms 20us increments up to ims then in 1ms increments 10ms to 2000ms in 10ms increments 1 1 to 5 1 in unit increments Hard Soft 21dBu to 10dBu in 0 5dB steps 10ms to 1000ms Hard Soft On off Press output trim 90 to 250V AC 50 60Hz lt 60 VA T 800mA L 250 V 483mm 19 inch 44mm 1 75 inch 287mm 12 inch 4kg 6kg 3 pin XLR 3 pin XLR 8 pin Mini DIN socket 3 pin IEC 32 Technical Specification Factory Presets for X Array Series Memory Out Identification 1 2 3 4 5 6 PO1 XW15 4MIX R1 3 LF HF 4 EV XW15 15 Bi amped 8 outputs used LF HF LF HF PO2 XN XB 2XF 2 1x EV EV 2x EV XF 8 outputs used Xn LF Xn MB Xn HF Xb LF Xf MB Xf HF XCB XCN XB 2XF R2 4 1 x EV EV EV XB 2 x EV XF 8 outputs used Xcb LF Xcn Xcn HF Xb LF Xf MB Xf HF PO4 XDS XDS 2XB 2XF 2 4 2 EV XDS 2x EV 2 x EV XF 8 outputs used Xb LF Xf MB Xf HF Xf LF Xds SUB Xds SUB 5 XW12 4MIX R1 3 4 x EV XW12 12
8. Home page Press and hold for 1 second to access Set Up menu then press to step through Set Up pages As for input channels 11 segment signal meters for monitoring signal level compressor limiter headroom and gain reduction and clip on the respective channels Potentiometer control for fine tuning muting of output level Zero level refers to the level set in the output menu Turn control to increase decrease level or press to mute Red ring lights when mute is active Used to set parameter values on menu pages see Section 4 1 Press to access the Store menu page for storing User or System memories 8 pin mini DIN socket for connecting to an RS 232 serial port on a PC or other remote control device XLR connector is provided on the rear panel for remote control RS 485 Press to switch the unit on or off Controls Connectors Indicators 3 REAR PANEL OUT COMMS IN OUTPUT 8 UT Oo IND 4 INC lt G C29 30 C ex JC3 e 100 2404 i 50 60Hz h AS Em A TO REDUCE RIX OF FIRE SAME TYPE OF FUSE REPLACER SEULMENT PAR UN FUSIBLE DE MEME TYPE 4 1 IEC fused mains For mains power connection Accepts input voltages from inlet socket 100 240V 50 60Hz 2 COMMS Communications input and output for remote control using In and Out XLR cabling 3 Outputs 1 8 Electronically balanced XLR audio output plugs Pinouts
9. Pin 1 Screen Pin 2 Hot Pin 3 Return 4 Inputs A D Electronically balanced XLR audio input sockets Pinouts Pin 1 Screen Pin 2 Hot Pin 3 Return BLBRH 131115 DN9848 Menu System 4 PROGRAMMING SETTINGS 4 1 The DN9848 Programming Panel All the parameters for input and output signal processing and routing are defined via function specific menu pages that are displayed and edited at the programming panel shown below As described in the illustration each menu page uses a standard layout that relates the displayed parameters to the three DATA ENTRY encoder knobs which are used to adjust the parameter values The alpha numeric display The adjustable parameters are showing the menu page for named on the top line Current programming PEQ1 values are given below in corresponding order tmm PC PORT DATA ENTRY DN9848 4x8 LOUDSPEAKER PROCESSOR D The DATA ENTRY encoder knobs adjust the left centre and right parameter values at the display in corresponding order If there are only one or two parameters only the active controls are lit Centre knob changes Left knob character moves cursor Right knob When the menu page requires text entry lt gt Inactive indicates which knob moves the cursor left and right while chr indicates which knob changes the alpha numeric character When there are sub menu pages either the left of The icon
10. and are available in product manuals Company registration No 2414018 A Subsidiary of Telex Communications Inc Thank You For Using This Klark Teknik Product Our engineers have designed this product with uncompromising dedication to providing the superb audio performance ease of use and rugged reliability that meets the demands of live sound engineering Please take time to complete and return the Klark Teknik three year warranty registration card and to obtain maximum performance with minimum effort refer to this operators manual Please ensure that you read both the Important Safety Instructions and Attention pages Finally enjoy your new DN9848 CONTENTS e ETE 1 INTRODUCING THE 3 2 FERONT PANEL qub rentes M Let Da amba Coa re icd 4 3 REAR PANE dias oomen vid n satt sempe m Pm PE a Sc mus adden dq eM 5 4 PROGRAMMING SETTINGS 2153493932253 5321 TERRA NIC 6 Ze ThedNSSZdS Programming UN EORR RE tumentes eo veta tub osi PLUR Baa 6 4 2 Navigating the DN9OS4S MENUS 5x ary CER EK EU RuRbYirE REP PN ERRRIAR I 6 4 2 1 Input and OUEDUE TMents s eda nous t Coe Taster Puta ne Pausa abu das EPA 6 4 2 2 SE ete ERE 7 4 23 and 7 4 2 4 POMC Page IIS
11. change in input level and unless additional steps are taken the result is that the input signal is initially let through at anything up to its full level until the gain element in the limiter can act in response to the increase in signal level The DN9848 exploits the fact that digital signal processing works on a sample by sample basis the signal data samples are clocked through the unit at the sample rate of 48 kHz and that there is a small delay through each processing block and literally looks ahead further back in the signal chain to sample the data for the limiter side chain so that the limiter can apply the required gain reduction on an instantaneous sample by sample basis so that the limiter never lets through any dangerous transients In the example below a 10 kHz tone burst of 10 ms duration has been used as the input signal and the output of both a DN9848 and a leading competitor are shown Note the very large transient of the competitor unit which does not have a look ahead limiter Channel 1 1 8750 117 1 L T T1 L T T1 117 1 117 1 117 1 117 1 1 1250 Input signal DN9848 BABB 14 Competitor hui 5 1250 6 1250 1 1 1 _ 1 1 1 1 1 2 08 ms 2 ms Div Signal source Audio Precision System One Settings Waveform Burst
12. options and unit labelling are defined in the Set Up menu To switch to the Set Up menu press and hold the black HOME SET UP button located on the programming panel Press the button repeatedly to cycle through the menu pages 4 2 3 Store and Recall The Store and Recall menu pages are accessed by the corresponding buttons on the programming panel To abort and exit the store recall menu press the HOME button 4 2 4 Home Page The Home page displayed at the end of the start up routine indicates the unit name set by the User and the current working memory which was retained from the previous session To return to the Home page at any time press and release the HOME button The HOME button is a dual function button a short press returns to the Home page while a long press opens the Set Up menu The HOME button can also be pressed to abort a Store or Recall process RLARR UL bons DN9848 Menu 1 to 6 1 12 i e RLARR UL US 8 Input Channels 5 INPUT CHANNELS 5 1 Brief Technical Overview Referring to the illustration below each input channel of the DN9848 processes the audio signal through delay and gain stages followed by 12 bands of parametric equalisation and a full band compressor All key stages are monitored for signal clipping which if detected lights the top red segment at the top of the input signal meter thus clipping of the signal during p
13. output levels when you power on the unit e g to avoid sudden power surges in larger systems The ramp can be adjusted between 0 32s and will recover the output mute states held when the unit was last switched off Alternatively an initial mute can be automatically applied to all of the outputs on a ramp setting this is the default setting To switch the logo on off turn the left hand knob To change the ramp up time at the outputs turn the centre knob The Outputs Muted option is found just below Os RLARR ERIS 22 Using the DN9848 Memories 8 STORING AND RECALLING SETTINGS The DN9848 Loudspeaker Processor is provided with the following memory facilities o 32 lockable System memories designated as 501 to S32 for storing standard set ups in battery backed up SRAM o 5 free access User memories designated as 1 to 5 for storing a series of set ups for the current show o 99 Preset flash memory locations designated 1 99 for secure storage of essential settings against overwriting or battery failure These memories can only be programmed from an external computer Up to 25 Factory Presets including cross over set ups for commonly used EV and third party loudspeaker systems are available at www klarkteknik com for downloading to the unit via the front panel PC port These are listed with the Technical Specification in Section 11 To store settings 1 Press the black STORE button
14. reduced so that level of the transient peak matches the threshold of the DN9848 s limiter Channel 1 AMAN ii 2 08 ms 2 ms Div The limiter threshold of the competitor s unit has been lowered to 10 0 dBu to avoid the risk of driver damage from the initial transient at the cost of greatly reducing the efficiency of the PA system The look ahead capability of the 9848 5 limiters allows the thresholds to be set at the levels required to protect the loudspeaker drivers without the need to be concerned about transients being passed by the limiters This allows the PA system performance to be maximised by safely exploiting the full operational range of the loudspeaker drivers RUB UL bans 28 Application Notes 10 2 Phase adjustment with the DN9848 To meet the demands of a wide range of situations the Klark Teknik DN9848 provides two all pass filters with complementary control parameters for fine tuning the phase response on each output Although some cross over filter designs e g Linkwitz Riley types are inherently phase aligned at cross over others such as Butterworth or Bessel responses may require manual phase alignment Even Linkwitz Riley filters may not produce accurate phase coherence when HPF and LPF are combined to produce a band pass output In addition the phase response of the drive
15. select the letter number or symbol The name is automatically applied KLARE TEKI 21 Security and other Set Up Options Names can also be allocated to individual input and output channels via their associated menus see Sections 5 2 2 and 6 2 2 All names are stored with User and System memory settings The Store function will assume the working memory name as the default memory name prompting you to edit it if required see Section 8 Storing and Recalling Settings 7 6 Delay Options Page 7 The units of measurement used to specify the delay on the input and output channels can be set to suit user preference as follows o Time milliseconds and microseconds o Imperial distance feet and inches To change the units of measurement 1 Turn the left hand knob to choose the units 2 Metric or Imperial distance measurement specify the ambient temperature of the venue using the centre knob The DN9848 will use this to adjust the speed of sound which varies with temperature in the delay calculation so that accurate delays are applied to the channels The delay units are changed in the input and output menus with the current values being automatically converted to equivalent values 7 7 Power Up Options Page 8 Two power up options are provided as follows Logo On Off This refers to the logo animation displayed a start up o Output Level Ramp This is used to apply a gradual ramp up to full
16. units and cabinets especially horn loaded types may require compensation to achieve correct acoustic phase even if the electrical phase is correct The DN9848 filters provide straightforward tuning control in cases The first filter of the DN9848 is presented as a phase shifter for which you can specify a particular phase shift at a reference frequency namely a HPF or LPF typically the cross over point or one of the 6 PEQs The plots in the graph below show the effect of these controls on the filter response when set to a 90n phase shift at references points equivalent to 20Hz 300Hz 1kHz and 20kHz Referring to the figure the overall response always remains the same shape i e tending from 1800 at low frequencies to On at high frequencies but is shifted along the frequency axis to achieve the required phase shift at the specified reference point Audio Precision 90 deg phase shift 20 300 1K 20K 01 19 01 15 52 45 180 Ale 100 000 50 50 0 0 9 C i g 50 50 100 E 100 150 _ 150 20 50 100 200 500 1k 2k 5k 10k 20k Hz Color Line Style Thick Data Axis Green Solid 1 Anlr Phase Left Yellow Solid 1 Anlr Phase Right Yellow Solid 1 Anlr Phase Left phase at1 Response of the phase shifter filter for a phase shift of 90nat reference points equi
17. 0 Signal level below Compressor compressor threshold threshold reached 12 51 11 Output Channels 6 OUTPUT CHANNELS 6 1 Brief Technical Overview The output channels are slightly more complex than the input channels in that they are responsible for the signal routing as well as output signal processing At the input of each output channel is a routing block that can source the output signal from a single input a pair of inputs or all four inputs In addition as shown below the paired inputs can be weighted default 50 50 Processed Inputs Signal Routing From A gt E C orD gt Straight through From B Sourced output gt E ted Ml foronward i enuate 3 in nica Paired gt processing From gt Selected _ y p j From D gt Attenuated A B C D 3 by 12dB Combined gt After routing the resultant signal is passed through the various output processing circuits as shown below Processing options include delay inversion two independent phase adjustment stages Phase Shift and All Pass filtering six stages of parametric equalisation gain mute compression and limiting All key stages are monitored for signal clipping which if detected lights the top red segment at the top of the output signal meter In addition the signal is monitored thr
18. 065 Edn7 KT Vv Hi H LL Telex Communications UK Limited Klark Teknik Building Walter Nash Road Kidderminster Worcs DY11 7HJ England Tel 44 1562 741515 Fax 44 1562 745371 www midasconsoles com www klarkteknik com DECLARATION OF CONFORMITY We Telex Communications UK Limited of Klark Teknik Building Walter Nash Road Kidderminster Worcestershire DY11 7HJ Declare that a sample of the following product Product Type Number Product Description Nominal Voltage s DN9848 Loudspeaker 115V AC 200mA 50 60Hz Processor 230V AC 100mA to which this declaration refers is in conformity with the following directives and or standards 89 336 EEC Electromagnetic Compatibility Directive amended by 92 31 EEC amp 93 68 EEC 73 23 EEC Low Voltage Directive amended by 93 68 EEC Generic Standard Using 55103 Limits and Methods EN50081 1 Class B Conducted Emissions PAVI EN55103 Class B Radiated Emissions PAVI EN55103 UU c Signed Date 1 January 2005 Name Simon Harrison Authority Research and Development Director Telex Communications UK Limited Attention Where applicable the attention of the specifier purchaser installer or user is drawn to special limitations of use which must be observed when these products are taken into service to maintain compliance with the above directives Details of these special measures and limitations to use are available on request
19. 2 9 Compression 16 6 2 9 OULDUG A 17 6 5 The OUCDUE SIGN alin 17 6 4 Output Gain and Mute Front Panel Control 18 7a DN9849 SET UPOPTIONG PELIS D RIS RRU 19 19 7 2 Remote Comms Channel Page 1 19 7 3 Security Settings Pages 2 arid 3 19 73 4 Front Pahel LOCK PAJE 2 E a I eee pM ML LE 19 Zaa System Protect 20 VCD HONNO T EPI KL DESIT RV A caa oU iquat tah 21 7 5 Naming Pages ae ee 21 726 Delay Optlons 22 Vide POWER UD ODUGIS tate tanec EIE ID Me M ees 22 STORING AND RECALLING SETTINGS 23 9 DINIG46 REMOTE CONTROL SETUP Am DEN DU Ax 25 103 JAPPEICATION NOTES p On t C 27 10 1 The Advantage of DN9848 Look Ahead Limiters nmn 27 10 2 Phase adjustment with tne DIN9S848 OLOXSERY exce Sa Pe EXE VE SUCI saad cara o eg e 29 LI TECHNICAL SPECIFICATION Ve saa E es 31 ATTENTION
20. 7 5 anas ub Evo UA a pua mim Paid acetate tute teamed ca E 9 Brier TecnhiCalrOvervl Ow sca RUD DEOS canes 9 5S 2 SLUNG INDUC Pabametenrs tee 9 5 221 hedlnput Menu 4022063 FRE TEXTDVPEEAXAR RAS 9 5 22 Naming the Input Channel Page 1 9 52 3 Gall and Delay Pade 10 5 2 4 Parametric Equalisation Pages 2 to 1 3 10 sConipiesslon anus eee a ease Mae aR eae 11 5 9 Monitoring the Input SODS War wis AERA OQ i a a e E Ca t ACID e e 11 6 OUTPUT CHANNELS ans aaa Rare Ew idol opted a Esa do CLE v cn ve ra naui 12 Gils BGT Technical ues DIO 12 6 2 OBHtput PardimetelS 5 2 eam IN PIE ds EE bae vA Pena nuum 13 6 2 2 Naming the Output Channel Page 1 evan khe vnm o acea OR 13 6 2 3 ROUTING RAG C2 Pre 13 6 2 4 Signal Invert Delay and Output Level 3 14 6 2 5 Phase Adjustment Pages 4 and 5 at og nlsi ur siot ares dV 14 6 2 6 High Pass and Low Pass Filters Pages 6 and 7 15 6 2 7 Parametric Equalisadon Pages 2 to I3 exi CoREETAT UOCE 16 0
21. Bi amped 8 outputs used LF HF LF HF LF HF PO6 XDS XCB XCN R2 4 2 x EV XDS EV XCB EV XCN 8 outputs used Xcb LF MB MF Xcb LF Xds SUB Xds SUB PO7 XDS XN R2 4 Xn LF Xn MB Xn HF 2 x XDS EV XN 8 outputs Xn LF used Xds SUB Xds SUB UNO DPI Ou PIVDOA DW gt I OWN DIU OWN DAIO ODN DSI A 33 USL LF Xf MF Xf MF Xf MB LF Xcn MB Xn MB HF Xf HF Xf HF Xf HF HF Xcn MF Xn HF n1 Technical Specification Factory Presets for X Array Install Xi Series Memory Identification POS PO9 P10 P11 P12 P13 P14 P15 P16 P17 REB ssl X11122 85 4MIX R1 2 4 x EV XI1122 85 12 Bi amped 8 outputs used 11122 85 amp 1191 R1 2 2 x EV 11122 85 12 plus EV 1191 Sub tri amped 6 outputs used X11152 64 4 MIX R1 2 4 x EV XI1152 64 15 Bi amped 8 ouputs used 11152 64 amp 1191 R1 2 2 x EV XI1152 64 15 plus EV 1191 Sub tri amped 6 outputs used X11152 94 4 MIX R1 2 4 x EV XI1152 94 15 Bi amped 8 outputs used X11152 94 amp 1191 R1 2 2 x EV XI1152 94 15 plus EV 1191 Sub tri amped 6 outputs used X11183 64 R1 2 2 x EV 11183 64 18 Tri amped 6 ouputs used X11183 64 amp 2181 R1 2 2 x EV XI1183 64 18 plus EV 2181 Sub Quad amped 8 outputs used X11153 64 R1 2 2 x EV XI1153 64 15 Tri amped 6 ouputs used X11153 64 amp 1191 R1 2 2 x EV XI1153 64 15 plus EV 1191
22. Sub Quad amped 8 outputs used o o o o o o o o vo pPlonw gt 6 o o pPlonw rPlonaw gt 6 ploonosw gt gt L LF 1191 SUB LF 1191 SUB LF 1191 SUB LF 2181 SUB LF 1191 SUB HF LF 1122LF 1122 LF 1152 LF 1152 HF LF 1152 LF 1152 HF MB HF 1183 LF 1183 MB MB HF 1153 LF 1153 MB 34 Out 4 5 HF LF FULL 1191 SUB HF LF FULL 1191 SUB HF LF FULL 1191 SUB FULL LF 1183 HF 2181 SUB FULL LF 1153 HF 1191 SUB HF 1122 LF HF 1152 LF HF 1152 LF MB 1183 LF MB 1153 LF LF HF 1122 HF FULL LF HF 1152 HF FULL LF HF 1152 HF FULL HF FULL 1183 1183 HF FULL 1153 1153 Identification 18 12153 64 R1 2 2 EV 12153 64 15 Tri amped 6 ouputs used P19 12153 64 8 1191 R1 2 2 x EV XI2153 64 15 plus EV 1191 Sub Quad amped 8 outputs used P20 X11123 106 R1 2 2 x EV XI1123 106 12 Tri amped 6 ouputs used P21 X11123 106 amp 1191 R1 2 2 x EV XI1123 106 15 plus EV 1191 Sub Quad amped 8 outputs used P22 X12123 106 R1 2 2 x EV XI2123 106 Tri amped 6 ouputs used P23 X12123 106 amp 1191 R1 2 2 x EV XI2123 64 15 plus EV 1191 Sub Quad amped 8 outputs used Factory Presets for X Line Series Memory Identification P24 X LINE 3W S ODBU R2 7 X line Sub Array 8 outputs used
23. annel features o Configurable high and low pass filters for setting the cross over characteristics o Six stages of fully parametric equalisation that may be used to compensate for system or enclosure characteristics o Delay of up to 300ms on each output mainly used for system time alignment Gain control and output muting Full range compression and full range limiting Dual all pass phase correction sections the first of which can be any of the filter or parametric EQ stages and can be adjustable in 5 degree steps The cross over filter may be chosen from the following types 12 and 24dB oct peaking high pass filter only o Butterworth 6 12 18 24 36 and 48dB octave n Linkwitz Riley 12 and 24dB octave Bessel 12 18 24 36 and 48dB octave Channel programming can be performed directly from the front panel controls or remotely using the associated Stardraw software application or Smaart real time analysis software via the RS 232 PC Port or RS 485 COMMS connectors If required access to critical parameter menus can be password protected e g to avoid unauthorised adjustments in hire installations Commonly used settings can be stored for repetitive use in up to 32 lockable System memories while varying show settings can be stored in up to 5 User memories Also 99 Presets can be stored in non volatile Flash memory including up to 25 available Factory Preset cross over set ups for commonly used Electro Voic
24. ards to show the applied gain reduction When the limiter kicks in the meter flips to read downwards from the 0 segment instead of just from the compressor threshold It now shows the summed gain reduction from both compressor and limiter 6 4 Output Gain and Mute Front Panel Control Each output is equipped with a dual action rotary push switch control for adjusting or muting the output level Note that zero mark on the control refers to the baseline output level set in the Output menu see Section 6 2 4 and hence the rotary control provides fine tuning referred to this level REAR To increase decrease the level turn clockwise anti clockwise To mute an output push in and hold until the red ring lights To un mute an output push in and hold until the red ring light goes out To mute all outputs push in and hold an unlit output until it and then all other controls light To un mute all outputs push in and hold a muted lit output until it and then all other red rings go out 18 Security and other Set Up Options 7 9848 UP OPTIONS 7 1 General The DN9848 provides various set up options for adapting the operation of the unit to best suit your operational requirements and preferences as follows o Comms channel setting for remote control o Security features o Display lighting o Unit and memory naming o Delay units of measurement Power up settings These options are programmed in t
25. ct the Q slope and the left hand knob to select the frequency 6 2 6 High Pass and Low Pass Filters Pages 6 and 7 The DN9848 provides the following high and low pass filter HPF and LPF options for cross over purposes Butterworth 6 12 18 24 36 and 48dB Octave Bessel 12 18 24 36 and 48dB Octave Linkwitz Riley 12 and 24dB Octave Peaking HPF only 12 and 24dB Octave 0 6dB Gain Bypass No Filter add a high low pass filter to output processing 1 Step to the HPF or LPF page as required see right 2 Use the left hand knob to specify the cut off frequency 3 Use the centre knob to select the filter type and the right hand knob to set the slope gain The right hand parameter switches between slope and gain dependent on the filter type To bypass the high low pass filter processing 1 Step to the HPF or LPF page as required 2 Turn centre knob anti clockwise to Bypass The last selected values for each type of filter are retained in the background for easy recall ELARRTE TI 15 Output Channels 6 2 7 Parametric Equalisation Pages 2 to 13 The DN9848 provides six parametric equalisation stages on each output channel for equalising the Any PEQ De Used as tne reference frequency for the Phase output signal in respect of loudspeaker and or system Shifter see Section 6 2 5 characteristics The first and last of these PEQ sections can be alternativ
26. cy 30 Technical Specification 11 TECHNICAL SPECIFICATION Audio Inputs four Type Impedance Q Common Mode Rejection Maximum level Audio Outputs eight Type Minimum load impedance Source impedance Maximum level Performance 20Hz to 20kHz Frequency response Distortion 8dBu Dynamic range unweighted Input Processing per channel Gain Delay Parametric EQ 1 12 Boost cut Bandwidth Compressor Threshold Attack Release Ratio Knee Bypass Electronically balanced Pin 2 Hot Balanced 20k Unbalanced 10k gt 80dB 1kHz 21dBu Electronically Balanced Pin 2 Hot 560 20nF 56Q 21dBu into gt 2kQ 0 3dB with all filters and EQ flat lt 0 02 gt 113dB 12dB to 40dB in 0 1dB steps plus Off to 1 second in 20 83 us steps 0 343 53 m or 0 1127 0 at 20nC Frequency range 20Hz to 20kHz in 21 steps per octave 6 18dB in O 1dB steps 3 0 to 0 08 21dBu to 10dBu in 0 1dB steps 40ns to 100ms in 20ns steps and 100ms 1s in 1ms steps 10ms to 2000ms in 10ms increments 1 1 to 5 1 in unit increments Hard Soft Yes No Output Processing per channel Routing from Inputs Phase invert Output gain Delay Output phase correction filter Phase angle Angle Reference Output all pass filter Freq Range Phase shift 2 order only None From Channels A B Cor D From Channels A B or C D with ratio control attenuat
27. e letter number or symbol 3 completion turn the left hand knob anti clockwise to go back to the main page The new name is now shown to the left of the menu page 6 2 3 Routing Page 2 Each output of the DN9848 can be acquired from a single input a pair of outputs or all outputs For paired outputs the source inputs are attenuated by 6dB prior to summing and the ratio of the two signals used is adjustable When all outputs are combined the source inputs are attenuated by 12dB prior to summing in equal proportion See Section 6 1 for Technical Overview For easy access and reference purposes the routing is selected in the first menu page as shown opposite To set the routing for the output The ratio of paired outputs is adjustable 1 Turn centre knob to select the required P i source from the following sequence of choices A B C D A B C D All 2 If you select A B or C D use the right hand knob to set the ratio for the signals i e A B or C D respectively Important Delays for the summed channels must be set to the same value 13 Output Channels 6 2 4 Signal Invert Delay and Output Level Page 3 Each output can be phase inverted by 180 separate to the phase alignment for cross over delayed for This level sets the system alignment and the level attenuated or boosted baseline for the rotary Output Gain control Delay can be specified in terms of time o
28. e loudspeaker systems Klark Teknik has a policy of continuous development and may produce updates to the DN9848 host code These can be downloaded to the unit via the front panel PC Port To keep up with newest features and functions please visit www klarkteknik com KLARK TEUL Controls Connectors Indicators 2 FRONT PANEL 1 Input channels A D A Menu Access Buttons A D cup Signal Level Meters A D 2 Recall button 3 Alphanumeric display 4 Home Set Up button 5 Output channels 1 8 l Menu Access Buttons 1 8 2 Output level and mute control 1298 6 Data entry encoder knobs 7 Store button 8 PC port 9 Power button RLARR cup Signal Level Meters 1 8 ey rennin DN9848 4x8 LOUDSPEAKER PROCESSOR Press to access and step through the menu pages for the respective input The available pages depend on the current security setting The button is lit when active 9 segment signal meters for monitoring signal level compressor headroom and gain reduction and clip on the respective channels Press to access the Recall menu page from which a User System or Preset memory can be selected for recall Displays menu pages for viewing defining parameter values Values are adjusted via the DATA ENTRY encoders knobs Press to exit current menu page and return to default
29. ect a hard or soft s oe knee characteristic and the right hand knob to set the i EL bypass state to No so that the compressor is included in the 21 signal path The relative position of the compressor an threshold to the limiter threshold will be indicated by a lit segment at the meter provided the compressor threshold is below the limiter threshold 16 ELARRE Output Channels 3 Turn the left hand knob clockwise to access the second sub menu page Use the centre knob to set the compressor attack time range of 4005 1ms in 2005 steps or 1ms to 100ms in 1ms steps Use the right hand knob to set the release time 10ms to 2s in 10ms steps gt gt To switch the compressor out of the circuit e Set the bypass state on the second page to Yes The other settings will be retained for future use 6 2 9 Output Limiter In addition to compression each DN9848 output has a limiter to protect any attached equipment being driven into clip and potentially being damaged Notably the DN9848 uses a special look ahead limiter so that it can anticipate transient overshoots and act immediately see Application Notes for further details The limiter threshold can be adjusted to accommodate the varying requirements of commercial equipment gt gt set the limiter parameters 1 Select a threshold value in the range 10dB to 21dB with the left hand knob 2 Use the centre knob to set a release ti
30. ed by 6dB before summing From Channels A B C D attenuated 12dB before summing Note Sources comprising summed channels are only available if the input channel delays for the summed channels are set to the same value Normal invert 12dB to 40dB in O 1dB steps plus Off to 300 milliseconds 0 103 06 338 1 at 20nC 0 to 180 in 5 steps O is off LPF HPF LEQ PEQ1 PEQ2 3 4 5 or HEQ PEQ6 20Hz 20kHz in 21 steps per octave 15 90 or 2 180 order 0 4 to 6 0 ELE S UL bans 31 Technical Specification High pass filter Types available Freq Range Peaking Filter Boost Low pass filter Types available Freq Range Parametric EQ 1 6 Frequency range Boost cut PEQ Bandwidth Low High shelf filter Frequency range Boost cut Shelf slope Compressor Threshold Bypass Attack Release Ratio Knee Look ahead limiter Threshold Release Knee Mute Power Requirements Voltage Consumption Fuse rating Dimensions amp Weight Width Height Depth Nett Shipping Terminations Audio inputs outputs RS 485 inputs outputs RS 232 Power 213 51 Ll Butterworth 6dB Oct 12dB Oct 18dB Oct 24dB Oct 36dB Oct 48dB Oct Linkwitz Riley 12dB Oct 24dB Oct Bessel 12dB Oct 18dB Oct 24dB Oct 36dB Oct 48dB Oct 12dB Oct Peaking 24dB Oct Peaking 20Hz to 15kHz in 21 steps octave OdB to 6dB O 1dB steps
31. ely be configured for lower and upper shelving equalisation All the PEQ sections can be used across the full range from 20Hz to 20kHz and are set independently via their own menu page To set a PEQ 1 Seta centre frequency 21 steps per octave and bandwidth 0 08 to 3 Oct for the PEQ section using the left and centre knobs respectively Switch to LEQ HEQ setting with a 6dB 12db slope by turning the centre knob clockwise beyond 3 Oct see below Use the left hand knob to set the LEQ HEQ frequency UE 2 Turn right hand knob to set an attention boost level between 12dB and 12 If a PEQ section is not needed in the set up set its level to OdB 6 2 8 Compression Page 14 Each output has an independent full range compressor to improve the audio dynamics and or reduce louder signal levels to avoid loudspeaker damage The compressors are variable ratio and can be set to hard knee characteristic for a sharp gain reduction L response at the compression threshold or ZR soft knee for a more musical response gt gt set the compressor parameters 1 On the first compressor menu page use the centre knob to select a threshold value the range 10dB to 21dB and the right hand knob to set a ratio from 1 1 to 5 1 ME 3 Lit segment shows 2 Turn the left hand knob clockwise to access the first sub 6 the compressor menu page Use the centre knob to sel
32. he Home page now indicates the unit is locked with inputs editable The System Protect state is retained after power down as will be shown on the Home page when the unit is powered up again To switch System Protect off 1 Step through the Set Up menu to the System Protect page 2 Use left and centre knobs to enter the password Note that the letters must be the Same position as when the password was set 3 Turn the right hand knob clockwise to apply the password If you have entered the wrong password the DN9848 will flag it as incorrect and return to the Panel Unlock page for a further attempt If accepted the password cursor stops flashing When you next access this menu page System Protect will be in the default Off state 7 4 LCD Lighting Page 4 If required the lighting of the alphanumeric display can be adjusted to accommodate off axis viewing To adjust the lighting e Step to the LCD page and turn the left knob to adjust the display contrast The default setting is 5 with a range of 0 10 7 5 Naming Pages 5 and 6 To help with system identification the DN9848 unit and the current working memory may each be given a name up to 24 characters long Both names are shown in the Home page and are retained after power down which is particularly useful for system reassembly when changing venues To enter a name e Use the left hand knob to move the cursor right or left and the centre knob to
33. he Set Up menu and are described below in menu order gt gt To access the Set Up menu pages e Press HOME SET UP to return to the Home page e Press and hold the HOME SET UP button to open the menu e Press the HOME SET UP button repeatedly to step through the pages in turn Note that this menu does not cycle On completing the set up the menu returns to the Home page 7 2 Remote Comms Channel Page 1 This page specifies the communications channel on which the unit will send and receive data to from a controlling PC Channels 1 to 32 are available enabling a Slave network of up to 32 DN9848 Equalisers to be controlled from a PC using Stardraw or Smaart software DN9848 remote control set ups are covered in Section 9 EM SESS 7 3 Security Settings Pages 2 and 3 7 3 1 Front Panel Lock Page 2 This option is used to set a password and lock out the all or nearly all of the front panel controls to protect settings from tampering by unauthorised personnel Five levels of Panel Lock are possible o Unlocked All controls available o Lock Recall This leaves the Recall button active so that saved memories can be still be recalled Lock Recall Mute As above but also leaves the Mute controls active o Lock Mutes Leaves the Mute controls only active o Locked Imposes a full lockout on the front panel controls In all cases limited Set Up menu options remain available namely the C
34. ides two all pass filters with complementary control parameters for fine tuning the phase response on each output e g for alignment at cross over The first filter is presented as a phase shifter for which you can set a specific phase shift at a reference frequency eg the HPF or LPF typically the cross over point The second filter enables 1 or 2 order phase shift to be applied at a chosen frequency With 219 order the phase shift window can be shaped i e you can adjust the steepness of the transition by setting the Q value For detailed information on how these filters modify the signal please refer to the Application Notes section gt gt To set a precise phase shift at a reference frequency 1 Step to the Phase Angle Ref page shown right 2 Turn the centre knob to select a phase angle between 0 and 180 Turn the right hand knob to set the reference frequency to HPF LPF or one of the six PEQs set in the subsequent Output menu pages RLARR ERIS 14 Output Channels To apply ist order phase adjustment in relation to a chosen frequency 1 Step to the All Pass page shown right 2 Turn the right hand knob to enable a ist 90 order shift 3 Turn the left hand knob to the required frequency gt To apply a shaped phase transition at a chosen frequency 1 Step to the All Pass page 2 Turn the right hand knob to enable a 2nd 180 order shift 3 Turn the centre knob to sele
35. indicates right knob will be allocated to moving forward gt that turning the left or back up lt This will be indicated here by a knob will access the knob icon marked L Left Right sub menu page L 4 2 Navigating the DN9848 Menus The DN9848 menu system is divided logically into Input Output and Set Up menus plus two function specific menus for quick access to the Store and Recall commands A menu map is provided at the end of this section for reference purposes 4 2 1 Input and Output Menus Each of the four input channels A D and eight output channels 1 8 has their own set of menu pages accessed and stepped through by pressing the channel s yellow MENU ACCESS button When you select a channel its button lights to show that this channel is currently active at the programming panel In addition all the menu pages show the channel number letter in the top left hand corner BLA 5 villas 6 DN9848 Menu System If you prefer to program each parameter in turn across all the input output channels you can also Skip across from the current channel to the same page on another input output channel by pressing the MENU ACCESS button of the other channel If you want to jump to the first page of a different channel press the HOME button and then the required channel button 4 2 2 Set Up Menu Global parameters such as the Comms Channel for remote control set ups security
36. left and the right hand knob to select the letter number or symbol 3 completion turn the left hand knob anti clockwise to go back to the main page The new name is now shown to the left of the menu page RLARR 9 Input Channels 5 2 3 Gain and Delay Page 1 Gain and delay are also set in the first page of the channel s menu providing easy access for quick adjustment during set up or performance Note that the delay can be specified in terms of time or distance as preferred The unit of measurement is changed in the Set Up menu see Section 7 6 Delays can be set in seconds metres or feet gt gt set the delay e Turn the centre knob slowly for step increments or sharply to leap to the bottom top of the range 2 3 sharp turns will cover the whole range The range is 0 to 1ms in steps of 20 83 os and ims to 1s in steps of 0 02ms or the equivalent in metres or feet To adjust the Turn right hand knob The range is 40dB to 12dB in steps of 0 1dB with an OFF position just below 40dB Setting the gain to OFF will mute the input signal 5 2 4 Parametric Equalisation Pages 2 to 13 The DN9848 provides 12 parametric equalisation stages on each input channel for equalising the input signal in respect of room venue characteristics Each stage can be used across the full range from 20Hz to 20kHz and is set independently via its own menu page
37. me between ims and 100ms Use the right hand knob to select a hard or soft knee characteristic for a sharp or gradual cut off respectively To switch the limiter out of the circuit e Turn the left hand knob fully clockwise until the threshold value reads OFF a sharp turn will leap to the OFF position 6 3 Monitoring the Output Signal Each of the eight outputs has an 11 segment signal meter for monitoring internal signal clipping and output levels that may cause damage to the loudspeaker equipment The top CLIP segment monitors the internal signal clipping It operates independently of the rest of the meter lighting if signal clipping is detected at any stage in the processing circuits regardless of whether the level of the final processed signal is above or below the compressor and or limiter thresholds Hence the audio engineer has full visibility of any internal signal clipping that may result in audio distortion The to 40 signal meter is primarily designed to monitor the output level with respect to excessive levels that may cause damage to the onward loudspeaker equipment To do this is uses a dual purpose scale that refers the signal level to both limiter threshold and compressor threshold as illustrated and described overleaf RLARR UL bans 17 Output Channels 2 3 4 5 Imi CLIP CLIP CLIP CLIP Limiter 0 Level threshold 3 Headroom Headroom 3 mesi g 6 to limi
38. ms steps To switch the compressor out of the circuit Set the bypass state on the second compressor page to Yes The other settings are held for future use 5 3 Monitoring the Input Signal Each of the four inputs has a 9 segment signal meter for monitoring the internal signal clipping and compressor headroom or gain reduction ier The top CLIP segment monitors the internal signal clipping It operates independently of the rest of the meter lighting when signal clipping is detected at any stage in the 9 processing circuits regardless of whether the input level is above or below the compressor and or limiter thresholds Hence the audio engineer has full visibility of 18 internal signal clipping that may result in audio distortion 40 The to 40 signal meter monitors the input level on a relative scale where the 0 segment is set at the specified compressor threshold For example if the threshold is set to 9dBu then the input signal meter 0 segment is set at 9dBu true value and a signal of registers as 12dBu below the threshold below left Thus when the signal level is below the threshold the meter indicates the headroom When the signal level reaches the threshold i e the red O segment lights the meter flips and reads downwards to show the amount of gain reduction applied to the signal ear 3 12 dBu 3 9 dBu gain 6 6 9 available 9 reduction 12 headroom 12 15 15 18 18 40 4
39. nd return to Panel Unlock page for a further attempt 7 3 2 System Protect 3 System Protect offers limited operational control while protecting against unauthorised users tampering with key parameters that may result in loudspeaker damage S E gt gt When System Protect is The output MENU ACCESS buttons and Output Mute controls are disabled but the inputs can still be edited o User memory settings can be recalled or stored but factory and system memories are inaccessible o full Set Up menu is still available Note Panel Lockout takes priority over the System Protect state RLARR 20 Security and other Set Up Options To switch System Protect 1 Step through the Set Up menu to the System Protect menu page 2 Use the left and centre knobs to set a password of 12 characters including blank spaces made up of letters numbers and a limited number of symbols Important Note that preliminary and subsequent blank spaces are recorded as part of the 12 character password therefore if you use a short password the characters must be re entered in exactly the same position to unlock the panel To avoid confusion either record the blanks as part of the password or enter the word at the far left of the display 3 Turn the right hand knob on gt clockwise to accept the password and switch protection on 4 Press HOME to apply the System Protect state T
40. nection to the PC up to 32 units can be included in the daisy chain but when using an RS 485 connection to the PC the maximum is 31 units 2 Power up and put each unit in remote control mode by assigning it a unique Comms channel address as follows o Press and hold the HOME SETUP button to access the Comms menu page o Use the left hand knob to select a channel between 1 and 32 Press HOME SETUP to accept The front panel controls except the HOME SETUP button are locked out to facilitate remote operation The display indicates that the unit is under remote control Note The order of the addresses does not need to mirror the order of the daisy chain networking but each unit MUST have a unique comms channel address 3 Referring to the table overleaf connect your laptop PC to the DN9848 daisy chain as relevant to your specific system set up Note that as the RS 485 network has through connections you may connect the PC to any unit in the chain 25 Remote Control Setup DN9848 Connection Laptop PC Cable Converter Required Connection RS 232 input to front panel D9 COM port Host cable PC PORT for short cable run USB port KK systems USB 232 converter plus host cable RS 485 input to rear panel D9 COM port RS 232 485 converter e g KT LBB 485 COMMS In XLR connector for powered from PS2 mouse port long cable run g Or KK systems K3 ADE plus power supply
41. of uninsulated dangerous Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block any of the ventilation openings Install in accordance with the manufacturers 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 Only use attachments accessories specified by the manufacturer Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified personnel Servicing is required when the apparatus has been damaged in any way such as power supply 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 IEC 60
42. omms Channel Panel Unlock pages and Power Up pages 19 Security and other Set Up Options gt gt To set a Panel Lock 1 Step through the Set Up menu to the Panel Lock menu page 2 Use the left and centre knobs to set a password of 12 characters including blank spaces made up of letters numbers and or symbols Important Note that preliminary and subsequent blank spaces are recorded as part of the 12 character password therefore if you use a short password the characters must be re entered in exactly the same position to unlock the panel To avoid confusion either record the blanks as part of the password or enter the word at the far left of the display 3 Turn the right hand knob clockwise to cycle to the required lock type 4 Press HOME to apply the Panel Lock The Home page now indicates that the unit is Locked The lock state is retained after power down and will be indicated on the Home page when the unit is powered up again remove the Panel Lock 1 Step through the Set Up menu to the Panel Lock page 2 Use the left and centre knobs to enter the password Note that the letters must be in the same position as when the password was set 3 Turn the right hand knob clockwise to apply the password 4 If correct the display will report UNLOCKED Press HOME to exit the page and return to normal operation If you have entered the wrong password the 039848 will flag it as incorrect a
43. ough the compressor and limiter stages to provide headroom gain reduction indications at the signal meter Output Processing High Pass To output A TA EI DER TIT O signal H meter To rear RLARR E Output Channels 6 2 Setting Output Parameters Signal processing for each output channel is programmed independently via the separate Output menu associated with each channel The signal processing parameters are described below in menu order To access the Output menu pages for a particular channel e Press its yellow MENU ACCESS button 1 8 to switch to its menu e Press the button repeatedly to step through the pages in turn Note that after the last page the next button press will cycle the menu back to the first page To skip across to the same parameter on another output press its MENU ACCESS button 6 2 2 Naming the Output Channel Page 1 Each output channel can be allocated a name up to 8 characters long which will be shown in the first page of the menu for easy reference The default oe names are Output 1 Output 2 etc Names are retained after power down and are included in stored settings User defined channel name To enter a name 1 Turn the left hand knob clockwise to access the Output Name menu page 2 Use the centre knob to move the cursor right or left and the right hand knob to select th
44. r distance as preferred The unit of measurement is changed in the Set Up menu see Section 7 6 The Level entered here sets the baseline output level i e the zero value for the rotary Output Gain Delays can be set in controls For example if the Level is set to 6dB the 0 seconds metres or feet represents 6dB Turning the rotary Gain Control right left will increase decrease the level in a proportional manner beyond 6dB it is not directly additive since the gain is limited to 12dB Hence the Output Gain controls enable fine tuning during a performance while the baseline output level is retained as a standard setting for future use To invert the output signal e Turn the left hand knob clockwise until the Invert field reads Yes The default setting is No inversion gt gt To set the delay e Turn the centre knob slowly for step increments or sharply to leap to the bottom top of the range 1 2 sharp turns covers the whole range The range is 0 to 1ms in steps of 20 83 5 and ims to 300ms in steps of 0 01ms or the equivalent in metres or feet gt gt To set the base level for the front panel Gain control Turn right hand knob The range is 40dB to 12dB in steps of 0 1dB with an OFF position just below 40dB Setting the gain to OFF will mute the input signal 6 2 5 Phase Adjustment Pages 4 and 5 To meet the demands of a wide range of situations the Klark Teknik DN9848 prov
45. rocessing is not inadvertently missed In addition the signal level is monitored at the compressor to provide signal head room and gain reduction indications at the meter PEQ 4 PEQ 5 PEQ 6 To input signal meter To output PEQ 7 H gt PEQ 8 H gt PEQ 9 1034 11 125 i circuits O routing 5 2 Setting Input Parameters 5 2 1 The Input Menu The signal processing for each input channel is programmed independently via the separate Input menu associated with each channel The signal processing parameters are described below in menu order To access the Input menu pages for a particular channel 1 Press its yellow MENU ACCESS button A D to switch to its menu 2 Press the button repeatedly to step through the pages in turn Note that after the last page the next button press will cycle the menu back to the first page To skip across to the same parameter on another input press its MENU ACCESS button 5 2 2 Naming the Input Channel Page 1 Each input channel can be allocated a name up to 7 characters long which will be shown in the first page of the menu for easy reference The default names L are Input A Input B etc Names are retained after power down and are included in stored settings User defined To enter a name channel name 1 Turn the left hand knob clockwise to access the Input Name sub menu page 2 Use the centre knob to move the cursor right or
46. set a PEQ 1 Seta centre frequency 21 steps per octave and bandwidth 0 08 to 3 Oct for the PEQ section using the left and centre knobs respectively 2 Turn the right hand knob to set an attention boost level in the range 18dB to 6dB PEQ sections which are not needed in the set up should be set to OdB attention boost RLARR 10 Input Channels 5 2 5 Compression Page 14 Each input has an independent full range compressor to improve the dynamics of the incoming signal levels The compressors are variable ratio and can be set to a hard knee a Em characteristic for a sharp gain reduction L response at the compression threshold or PR Cale soft knee for a more musical response L set the compressor parameters 1 On the first compressor menu page use the centre knob to select a threshold value in the range 10dB to 21dB and the right hand knob to set a ratio from 1 1 to 5 1 2 Turn the left hand knob clockwise to access the first sub menu page Use the centre knob to select a hard or soft knee characteristic and the right hand knob to set the bypass state to No so that the compressor is included in the signal path 3 Turn the left hand knob clockwise to access the second sub menu page Use the centre knob to set the compressor attack time range of 4005 1ms in 2005 steps or 1ms to 100ms in 1ms steps Use the right hand knob to set the release time 10ms to 2s in 10
47. ter 6 to limiter 6 4 4 imiter thresho Relative 9 9 9 reached Summed compressor Headroom to Compressor Compressor 12 limiter threshold 18 compressor 18 gain reduction 18 gain reduction 18 compressor gain 21 21 21 21 reduction shown 24 24 24 24 40 40 40 40 Increasing Signal Level The meter uses a downward relative scale where the 0 segment represents the limiter threshold For example if the limiter threshold is set to 5dB in the output menu page then the signal meter 0 segment represents 5dBu true value 3 segment becomes 2dBu down 6 becomes 1dBu down and so on The compressor threshold is also marked relative to the limiter threshold by a single steadily lit segment For example when the limiter threshold is set to 8dBu the 0 segment is 8dBu if the compressor threshold is 1dBu segment 9 will be lit Note If the limiter is set to OFF the meter is scaled relative to 21dBu While the signal level lies below the compressor threshold the meter lights upwards from 40 such that the current headroom to both the compressor and limiter thresholds can be monitored When the signal level reaches the compressor threshold level the meter flips and reads downwards to show the amount of gain reduction applied to the signal With further increase the meter reads in both directions i e it increments upwards to track the signal level as it approaches the limiter threshold and increments downw
48. to access the Store menu 2 To include the current trims in the memory i e the settings on the front panel Output Level controls turn the RE 3 Press STORE to move to the next menu page Select a User 001 5 System 501 S32 memory location using the left hand or centre knob respectively Note Since a memory location is now active you should only press STORE if you wish to accept and continue the storing process Otherwise press HOME to abort Press STORE to accept the memory location and move on 5 The current working memory name is displayed as defined in the Set Up menu To change the name before storing use the centre knob to move the cursor right or left and the right hand knob to select the letter number or symbol 6 Press STORE to confirm the action and return to the DN9848 Home page The DN9848 automatically checks the memory settings and displays a warning if any errors are found Where possible it will also attempt to automatically correct the error gt gt To lock the system memories refer to Section 7 3 Security Settings BLBRH 131115 23 Using the DN9848 Memories To recall stored settings from memory 1 Press the black RECALL button to access the Recall menu 2 Select a User System or Preset memory using the left centre or right hand knob Press RECALL to confirm the action and return to the DN9848 Home page The selected memory se
49. ttings are recalled to the working memory RLARR a Remote Control Setup 9 DN9848 REMOTE CONTROL SETUP Up to 32 DN9848 Loudspeaker processors can be linked together daisy chain RS 485 network for remote control from a computer running the commercially available Stardraw or Smaart software Further details of these applications are available from the Klark Teknik website at www klarkteknik com Daisy Chained Laptop PC Slave DN9848 Units Interfacing DN9848 Unit Mi 2o nass RS 485 XLR See Note 1 Note RS 232 connection is via front panel PC Port and supports a system of up to 32 units RS 485 connection is via the COMMS IN XLR socket on rear panel and supports a system of up to 31 units This section specifically covers how to connect and configure the DN9848 units for remote operation For operational guidance on using the Stardraw or Smaart remote control applications with the DN9848 please refer to the manufacturer s documentation set up a slave network of DN9848 units for remote control from a 1 Using standard balanced mic cables connect the DN9848 units together in a daisy chain sequence from the rear panel RS 485 COMMS In connector on one unit to the COMMS Out on the next The first unit in the chain will have no connection to its input and the last unit will have no connection to its output Note that when using an RS 232 con
50. use fan cooled racks Cables To ensure correct and reliable performance this product should only be used with high quality screened twisted pair audio cables terminated with metal bodied 3 pin XLR connectors Pin 2 Hot Electric Fields Should this product be used in an electromagnetic field that is amplitude modulated by an audio frequency signal 20Hz to 20kHz the signal to noise ratio may be degraded Degradation of up to 60dB at a frequency corresponding to the modulation signal may be experienced under extreme conditions 3V m 90 modulation After Unpacking Please retain the original packing for use should you need to transport or ship this unit Please inspect the unit carefully for any signs of damage that may have occurred in transit and notify the courier immediately if you feel that any damage has occurred KLARK TTE DN9848 Key Features 1 INTRODUCING THE DN9848 The DN9848 is a highly configurable digital electronic cross over loudspeaker management system comprising four balanced analogue input channels and eight balanced analogue output channels Its unrivalled routing flexibility enables each output to be sourced from a single input a pair of inputs or all four inputs Each input channel features 12 separately configurable fully parametric equalisation stages that may be used for room equalisation o A programmable delay of up to 1000ms o Gain control o Full range compression Each output ch
51. valent to 20Hz 300Hz 1kHz and 20kHz The second filter presented to the user as an all pass filter enables the user to set the Order and Q of the phase shift at a particular Frequency The Order can be switched to Off no filter 1 order 900 shift or 219 Order 180n shift The graph over the page shows the response of the filter for a 1 order shift In this mode the control is disabled As can be seen the filter behaves in an identical manner to the phase shifter i e the response tends from 180 at low frequencies to On at high frequencies shifted along the frequency axis according to the chosen frequency In effect this is a phase shifter for which the frequency is entered directly rather than being referred to a HPF LPF or PEQ section KLARK TEUL 29 Application Notes Audio Precision 1st order allpass 300 1K 10K 150 Alp 150 100 108 50 50 d C e 0 0 9 C 50 50 100 3 100 150 E 150 20 50 100 200 500 1k 2k 5k 10k 20k Hz Color Line Style Thick Data Axis Green Solid 1 Anlr Phase Left Yellow Solid 1 Anlr Phase Right Yellow Solid 1 Anlr Phase Left phase at1 Response of the All Pass Filter for 1 Order phase shift at frequencies of 300Hz 1kHz and 10kHz The response of the filter for 219 order shift is shown below with the
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