Page 2 - Contents
Q2 OPERATION AND MAINTENANCE MANUAL 9601 2 Contents 3 DECLARATION OF CONFORMITY 4 GENERAL INFORMATION 5 THE Q2 IN USE 7 WARRANTY 9 DIMENSIONS 10 SPECIFICATIONS 12 WIRING CONSIDERATIONS 12 GROUNDING 15 ATTENTION 16 MODULE DESCRIPTIONS 18 THE MATRIX SECTION 19 THE 20DB PAD 20 INPUT MODULE 28 VCA INPUT...
Page 3 - Declaration of Conformity
Q2 OPERATION AND MAINTENANCE MANUAL 9601 3 Declaration of Conformity The Manufacturer of the Products covered by this Declaration is Klark Teknik Building, Walter Nash Road, Kidderminster, Worcestershire, DY11 7HJ. The Directives Covered by this Declaration. 89/336/EEC Electromagnetic Compatibility ...
Page 4 - GENERAL; LEFT
Q2 OPERATION AND MAINTENANCE MANUAL 9601 4 GENERAL INFORMATION Three channel or Left, Centre, Right panning differs from thenormal stereo panning arrangement in that where the conventionalleft/right pan moves the signal across the stereo image, LCRpanning moves the mono signal across three distinct ...
Page 5 - Q2's typical use in the theatre maybe as follows.; THE Q2 IN USE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 5 Providing a hard centre image in addition to left and right speakerclusters improves localisation, as has already been proven in thecinema industry. Stars and soloists are typically mixed to the centrechannel. Back-up vocals and orchestra or band may be wra...
Page 7 - WARRANTY; This Warranty shall only be available if:-
Q2 OPERATION AND MAINTENANCE MANUAL 9601 7 WARRANTY If within a period of twelve months from the date of delivery of theequipment to the End User it shall prove defective by reason onlyof faulty materials and/or workmanship (but no faulty design) tosuch an extent that the effectiveness and/or the us...
Page 8 - approved by DDA
Q2 OPERATION AND MAINTENANCE MANUAL 9601 8 DDA shall not be liable for any damage caused to personsor property due to :- i) Incorrect usage of the Equipmentii) Other equipment attached to the Equipment, which is not approved by DDA iii) Modifications made by non-authorised persons, or by using non-r...
Page 9 - Q2 Dimensions; DIMENSIONS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 9 Q2 Dimensions 24 Input FrameWidth : 1255mm / 49.4"Depth : 810mm / 31.9"Height : 368mm / 14.5" 32 Input FrameWidth : 1505mm / 59.25"Depth : 810mm / 31.9"Height : 368mm / 14.5" 40 Input FrameWidth : 1755mm / 69.1"Depth : 810mm / 31...
Page 10 - SPECIFICATIONS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 10 SPECIFICATIONS Note : All specifications relate to dBu, ie 0dBu = 0.775V RMS MAXIMUM GAIN Mic Input to Mix Output: 86dB Line Input to Mix Output: 40dB FREQUENCY RESPONSE Mic Input to Mix Output: 20Hz , -0.50dB (gain 55dB) 20kHz, -0.20dB Line Input to Mix O...
Page 11 - Q2 Power Supply Specifications
Q2 OPERATION AND MAINTENANCE MANUAL 9601 11 Q2 Power Supply Specifications AC Mains Voltage selection :- 110V/120V/220V/240V Power Consumption (max) : 750VA AC Mains frequency : 50Hz. - 60Hz Fuse Ratings: 220/230/240V - 6.3A 90/100/120V - 10A Cooling Method: Internal fan DC Power Outputs: +17 Volts,...
Page 12 - GROUNDING
Q2 OPERATION AND MAINTENANCE MANUAL 9601 12 To take full advantage of the excellent audio performance of DDAmixing consoles, it is essential that the installation is carried outwith care and attention. All audio signals are referenced to thesystem earth, which must be clean and noise-free, and essen...
Page 14 - DO NOT DISCONNECT THE MAINS EARTH.
Q2 OPERATION AND MAINTENANCE MANUAL 9601 14 Rack mounted equipment which has unbalanced inputs and outputsmay need to be electrically isolated from the equipment rack and/or other equipment to avoid earth loops. DO NOT DISCONNECT THE MAINS EARTH. Connect all equipment in a logical sequence, starting...
Page 15 - ATTENTION; CABLES
Q2 OPERATION AND MAINTENANCE MANUAL 9601 15 ATTENTION CABLES This product should only be used with high quality, screenedtwisted pair audio cables, terminated with metal bodied 3-pin XLRconnectors. The cable shield should be connected to Pin 1. Anyother cable type or configuration for the audio sign...
Page 16 - MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 16 MODULE DESCRIPTIONS THE CUE SYSTEM CUE PRIORITY CUE BUTTON ACTION MOMENTARY OR LATCHING SOLO MODE Before describing the module functions, it is worth looking at someof the facilities in some depth which would otherwise be too long todescribe within the mod...
Page 17 - CUE INTERLOCK
Q2 OPERATION AND MAINTENANCE MANUAL 9601 17 If the cue button is held depressed for at least one second, the cuewill become momentary, and only active until the cue button is thenreleased. This allows you to listen to a signal for a short period oftime and only have to press the button once. A furth...
Page 18 - THE MATRIX
Q2 OPERATION AND MAINTENANCE MANUAL 9601 18 THE MATRIX SECTION Nowadays, any console destined for theatre or similar liveperformance use must have a matrix. This matrix takes the groupsignals, and probably other signals, and allows different sub mixesto be created for many uses. Traditionally, matri...
Page 20 - INPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 20 INPUT MODULE The input module is essentially the same for all subgroup versionsof Q2, with links selecting whether the buses feed 8 mono, 8 stereo,4 LCR or 16 mono subgroups. Dedicated LCR input modules have4 routing buttons marked A, B, C, and D instead o...
Page 21 - EQUALISER
Q2 OPERATION AND MAINTENANCE MANUAL 9601 21 EQUALISER The Q2 Equaliser is a four-band design, all bands having sweepfrequency adjustment. Each band consists of two dual-concentricpots. The upper pot is the gain adjustment, the lower control beingthe frequency adjustment. The two mid-range sections e...
Page 24 - ROUTING AND STATUS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 24 ROUTING AND STATUS PANIn normal mode and with the PAN set to centre, equal levels aresent to both sides of the stereo mix or to ODD and EVEN groupsthat are in use, with a 4.5dB drop relative to fully clockwise or anti-clockwise. Setting the PAN control ful...
Page 27 - CONNECTORS AND PIN ASSIGNMENTS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 27 CONNECTORS AND PIN ASSIGNMENTS MIC INPUT :XLR type 3 pin connectors, Balanced Nominal level : -56dBu to -8dBu Pin 1 - GroundPin 2 - Signal +ve (hot)Pin 3 - Signal -ve (cold)Input impedance : >2k. LINE INPUT :1/4" TRS Jack Socket, 'A' Guage, Balanced...
Page 28 - VCA INPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 28 VCA INPUT MODULE Q2 may also be supplied with 8 VCA/Mute groups. The inputmodule is essentially the same as the standard mono input, with theaddition of the 8 VCA/Mute groups, and mutes on most of theauxiliary sends. Replacing 4 input modules are the VCA m...
Page 30 - EXTERNAL VCA
Q2 OPERATION AND MAINTENANCE MANUAL 9601 30 EXTERNAL VCA FADER CONTROL WIRING
Page 31 - STEREO EFFECT RETURN MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 31 As an option, in place of a standard input, a stereo effect returninput may be fitted. The effect return section may be controlled bythe VCA master, if VCA/Mute subgrouping is fitted to the console. GAINAdjusts the gain of the effect return input section. ...
Page 32 - F/B and AUXILIARY SENDS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 32 HF EQA shelving equaliser with an adjustable gain of +/-15dB at afrequency of 12kHz. LF EQA shelving equaliser with an adjustable gain of +/-15dB at afrequency of 50Hz. F/B and AUXILIARY SENDS F/B 1/2This dual concentric pair of level controls adjusts the ...
Page 36 - MONO SUBGROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 36 Either 8 or 16 mono subgroup modules may be fitted in Q2. If 16are fitted, routing is paired, with active pan across the group busesat all times. For 8 modules, routing is individually selected, withpan only switched in across odd and even groups as requir...
Page 40 - STEREO SUBGROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 40 Eight stereo subgroup modules may be fitted in Q2, and routing isindividually selected. The module comprises the Stereo Group control and output (lowerpart of module) and a Stereo Matrix mixer section (upper part ofmodule). Each module has controls for inp...
Page 43 - CONNECTORS AND PIN ASSIGNMENTS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 43 CONNECTORS AND PIN ASSIGNMENTS Group Output : 3 Pin XLR type, BalancedNominal Output Level: +4dBuPin 2 : Signal +ve (Hot)Pin 3 : Signal -ve (Cold)Pin 1 : GroundOutput Impedance : <75 Ohm Matrix Output : 3 Pin XLR type, BalancedNominal Output Level: +4dB...
Page 44 - LCR SUBGROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 44 The LCR Subgroup Output module has three outputs (for the left,centre and right outputs from each group). It may be used witheither the normal input module or the dedicated LCR input module. The module comprises the LCR Group control and output (lowerpart ...
Page 48 - Foldbacks 2-4 are identical to Foldback 1 above.; FOLDBACK MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 48 F/B 1 LEVELAdjusts the level of the Foldback 1 Master output signal. ONEnables the Foldback 1 Master output signal, with led indication. CUE/SOLOSolo’s the Foldback signal to the main monitors (headphones orloudspeakers), with flashing led indication. See ...
Page 49 - Auxiliaries 2-4 are identical to Auxiliary 1 above.; AUXILIARY MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 49 AUX 1 LEVELAdjusts the level of the Auxiliary 1 Master output signal. ONEnables the Auxiliary 1 Master output signal, with led indication. CUE/SOLOSolo’s the Auxiliary signal to the main monitors (headphones orloudspeakers), with flashing led indication. S...
Page 50 - STEREO MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 50 STEREO MASTER MODULE SOLO METERIndicates the level of the Solo signal in stereo. PFL METERIndicates the level of the PFL signal. METER CALIBRATIONSSub-panel presets to calibrate all module and meterbridge mastermeters. PSU INDICATOR LEDsThree led’s which i...
Page 51 - GENERATOR/TALKBACK ASSIGN MATRIX
Q2 OPERATION AND MAINTENANCE MANUAL 9601 51 INTERNAL SINEWAVE/NOISE GENERATORQ2 features an integral generator capable of producing a 1kHzsinewave or pink noise for system testing and alignment. PINK/1kHzSelects the type of output from the generator. In the ‘up’ position,the generator produces PINK ...
Page 55 - MASTER OUTPUT CONTROL
Q2 OPERATION AND MAINTENANCE MANUAL 9601 55 MASTER OUTPUT CONTROL PREAllows the signal feed from the main Left/Right outputs to theMono (Centre) output to be pre-fader rather than post-fader. L/R TO MONOAssigns the post-fader Left/Right Output to the main Mono(Centre) output. L/R CUE/SOLOSolo’s the ...
Page 56 - MASTER CONNECTOR PANEL
Q2 OPERATION AND MAINTENANCE MANUAL 9601 56 MASTER CONNECTOR PANEL CONNECTORS AND PIN ASSIGNMENTS Main Left, Right and Mono Outputs,Monitor Outputs, Auxiliary Outputs,and generator output :3 Pin XLR type, BalancedNominal Output Level: +4dBuPin 2 : Signal +ve (Hot)Pin 3 : Signal -ve (Cold)Pin 1 : Gro...
Page 57 - VCA MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 57 VCA MASTER MODULE The effect return VCA master is only fitted to consoles with theoptional VCA Grouping inputs. The effects return section may becontrolled by the VCA masters. GAINAdjusts the gain of the effect return input section. The gain isadjustable f...
Page 60 - VCA MASTER SECTION
Q2 OPERATION AND MAINTENANCE MANUAL 9601 60 VCA MASTER SECTION CUT 1Mutes all channels assigned to VCA/MUTE Group 1. Similarly forfor CUT 2 through 8. VCA 1Switches in the VCA master fader to control VCA/Mute Group 1.If the VCA is not switched in, the VCA control reverts to a fixedunity gain setting...
Page 62 - THE AUDIO
Q2 OPERATION AND MAINTENANCE MANUAL 9601 62 This consists of two main boards and one sub board. The subboard carries the balanced tape inputs, balanced mix outputs,balanced Left, Centre and Right monitor outputs and the Left AFLMeter. The tape signals are fed down to the audio master boardwhile the ...
Page 65 - The COMMS ON switch has several functions as follows:_
Q2 OPERATION AND MAINTENANCE MANUAL 9601 65 The talkback microphone amplifier is adjustable in level from afront panel control and can be routed to the same destinations as theoscillator in addition to the CLEARCOM interface. Incomingcommunication from the CLEARCOM interface can be routed tothe moni...
Page 66 - THE AUXILIARY MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 66 This board contains the master sections for the auxiliary outputs ofthe console in addition to headphone amplifiers and a talkbackmicrophone amplifier for the headset microphone. The 4 auxiliaries are identical and therefore it is only necessary todescribe...
Page 67 - THE FOLDBACK MASTER MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 67 This contains the four master foldback sections which are identicalto the auxiliary master sections. A matrix link connector takes thefoldback outputs across to the output modules for use on thematrices. THE FOLDBACK MASTER MODULE
Page 68 - THE SIGNAL PATH; THE INPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 68 THE SIGNAL PATH The Q2 is equipped with a microphone and a line input selected bya switch and controlled by the same pot. The microphone inputmay have a 20dB pad switched in and a phantom supply can be fedto the microphone from each module. From here the s...
Page 70 - Q2 PANNING
Q2 OPERATION AND MAINTENANCE MANUAL 9601 70 Q2 PANNING The Q2 console can exploit either L-R panning or L-C-R panningselected by a switch. In either case the same components areemployed as follows. The pan pot VR7 is centre tapped and under normal operation theinput signal is fed to the top of the p...
Page 73 - Q2 ROUTING
Q2 OPERATION AND MAINTENANCE MANUAL 9601 73 Q2 ROUTING There are 20 buses available in the Q2 console giving rise toseveral possibilities. An input module can be configured to route to8 mono groups, 16 mono groups with paired routing, 8 stereo subgroups or 4 LCR groups. The following tables can be u...
Page 74 - INPUT MODULE ROUTING LINKS
Q2 OPERATION AND MAINTENANCE MANUAL 9601 74 INPUT MODULE ROUTING LINKS LK Mono Stereo LCR 6 * 20 * 21 * 22 * 23 * 24 * 25 * 26 * 27 * 28 * 31 * 32 * * 33 * 34 * * 35 * 36 * * 37 * 38 * * THE LEVEL METER The peak LED operates independently from the remainder of themeter and is wired to three points a...
Page 76 - THE MONO GROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 76 This module contains the circuit for one group output and onematrix output. The signal path for the group signal is from the busthrough the appropriate link depending upon which group themodule is programmed to receive into the bus mixing amplifier.The sig...
Page 78 - THE STEREO GROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 78 The stereo module is very similar to the mono group output but ofcourse the signal paths must be duplicated. There are two groupoutput signal paths and two matrix sends which can selected pre orpost fader. The matrix returns are fed to ganged pots and the ...
Page 79 - THE LCR GROUP OUTPUT MODULE
Q2 OPERATION AND MAINTENANCE MANUAL 9601 79 Three group outputs are required on this module to give therequired Left, Centre and Right outputs. The signal path for eachof these outputs is as for the mono group output. The matrix outputis mono and is fed from a mix of the LCR signals. The matrix retu...
Page 83 - VCA MASTER MODULES
Q2 OPERATION AND MAINTENANCE MANUAL 9601 83 The VCA master module contains two VCA group master fadersand their associated cut switches. A reference voltage of -5V is fedto the faders and applied to ICs 12A and B where it is offset bya fraction of the original reference voltage. The output of theICs...
Page 85 - Link Standard Input Stereo/Mono 16
Q2 OPERATION AND MAINTENANCE MANUAL 9601 85 Links 15 - 22 are used for bus routing and are installed asfollows. Link Standard Input Stereo/Mono 16 15 * 16 * 17 * 18 * 19 * 20 * 21 * 22 *
