Allen & Heath GL3300
Contents
1. BRA BE BE BE BE BE BE 3 r LEFT KJ i e 2 i oy 1 Reconfigure the LR sum source mono J p 30 from post LR faders to pre faders IR T UM PO UL 1 5 2 Enable 48V phantom power to talkback Bino etc efl 3 Oi mic input fit link 750 88 LR SUM ENABLE T oe SOURCE OPTION Ex GROUP E 1 Fit Matrix out balance option for jack f output tip hot ring cold Remove two links C and plug in balance driver IC MATRIX OUT BALANCE OPTION Da 2 Reconfigure the feed to the optional VU CUTOUT J24 cx meterpod to follow the aux master rotary control KA rather than the group fader remove two resistors CUT OUT LINK J27 and link two pairs of pads with length of wire REMOVE R19 AND R85 VU METERBRIDGE SOURCE TU I FROM AUX MASTER SECTION GL3300 User GUIDE 192. 8 See 9 uf ee AUX 1 4 MIX M SL AUX 1400 B INSERT a SE E H H 6 SIGNAL SL GROUP N P INSERT rere OTT PEO FADER gt al BLOCK DIAGRAM e MTXB A n _ AUXIGROUP REVERSE AFL om METER SOURCE SUBGROUPING 51 SYS LINK WIRING POINT Pi SELECT por PAN LR _ PE VN zs a kt md GROUP OUTPUT WIRING POINT 5 PEAK I MONO INPUT 3 se M sic AFL 4 BAND 2 SWEEP t om NQUALIGER PEL AUX 5 8 MIX AUX 5 8 peo MICI 50 AUX GROUP 5 8 OUT LINE FADER x E N es LINE IN 20484 lt gt gt IMPEDANCE m TO mes 2dBu BAL 128 4 GROUP 5 8 M MINGIS _ gt gt O 8 1 k BaL GROUP AUX 5 8 OUT IL di GROUP 5 8 MIX RURAL FADER E NL st INSERT 48V MUTE n gt x N m HH EE gt LL INSERT TIP SEND lt o POST EA m AE tis POSTMUTE AUXIGROUP REVERSE Le E 9 0 AFL SUBGROUPING PRE EQ PRE MUTE om METER SOURCE Pa PAN L R aa faoc O w DIRECT OUT PREFADER PREFADE POST FADE LA lt y Post FADER RN IMPEDANCE BALANCED
3. MUTE GROUP GL3300 User GUIDE 1 n N AFLIPFL E Bg o gt A ON STAGE MONITOR MUTE Dm GROUP GL3300 User GUIDE Plug ina 12V gooseneck lamp to provide illumination of the control panel This should be a BNC connector type 2 TRACK Individual jack sockets are provided for left and right inputs returns from and outputs sends to a stereo recorder such as a DAT or cassette machine Alternatively the RETURN may be used for stereo intermission replay from a CD or similar to the main mix by pressing L R An LED warns that replay is on The SEND may be used for recording the performance in stereo or to feed alternative speakers drive an induction loop hearing aid system or to feed a stereo broadcast etc The send is connected post L R faders as standard Separate send and return level controls adjust the signal to the required line level and sensitivity The console can work with both high 4dBu and low 10dBV level equipment PHONES MONITOR Plug in stereo headphones 30 to 600 ohms recommended under the armrest Adjust the LEV control for comfortable listening level The phones and 12 segment bargraph meters normally monitor the post fade L R mix Press 2 TRK to monitor the return from a stereo recorder if connected Pre
4. 1 pe gt ol HEADPHONES E 9 L Y f Lip 4M ei O 5 58 lot gt o 0 AUX4 tte T 1 7 MONO 2 MOUT arm 80 n MONO Som Mo o RPRw D jJ EN n gt LRSUM y 7 L N V premix SU EM A k i gt
5. GL3300 does not require user maintenance or internal calibration Any service work required should be carried out by qualified service personnel only We are able to offer further product support through our worldwide network of approved dealers and service agents To help us provide the most efficient service please keep a record of the console serial number and date and place of purchase to be quoted in any communication regarding this product A SAFETY WARNING A Mains electricity is dangerous and can kill Mains voltage is present within the power supply unit provided with the console Do not remove the power unit cover with mains connected The correct mains voltage setting is indicated on the rear of the power unit Check your mains wiring and earthing before switching on DO NOT REMOVE THE MAINS EARTH CONNECTION The console chassis is connected to mains earth to ensure your safety Audio OV connects to the console chassis internally Should problems be encountered with ground loops operate the audio ground lift switches on connected equipment accordingly or disconnect the cable screens at one end Refer to the section on EARTHING later in this User Guide PRECAUTIONS AC POWER Check the power unit for correct AC mains voltage setting before switching on Allow adeguate space around the unit for ventilation CONNECTIONS Use audio connectors and cables only for their intended purpose Do not connect any source of
6. STEREO RETURN 1 2 INTERNAL AUX LINK OPTIONS ates rests PRE FADE LR RETURN SWITCHED POST FADE __ PAN E 1 2 3 4 LIMONO D K i s Nel Or N FADER BAL OUT OPTION MATRIX A B MIX SL MATRIX A B RAS MATRIX A B OUT POST E DN gt NH bre HL gt gt 4 AUX5 gt A AFL AUKS om AUX7 _ 2 AUX 8 m POST LFADER c Wl pre LMIX 80 i M LINSERT a C Qo x STEREO INPUT i e 5 PEAK 4 BAND MICI EQUALISER gt ine inl LINE i t PFL L R u u 1 Mii e titty E RFADER HE RMIX w FADER BAL bh RINSERT MCLINE N mm gt gt je x Qus M gt WT LO R i U S oe 4 gt LINSERT TIP SEND MONOL v i TALKBACK 2 L Om mi LA i AIA 1 PRE FADE m 991 MONO R AUX2 PASS LF TB MIC IN A ARSUM L x AUXS H o o 4 TBLEV IE Hool J Time sue POST FADE a E oo MUTE AUX4 GROUPS MONITOR METER LINE IN 0 2 0 o o 4 GROUPS m L R PREEQ PREMUTE AUXS z MICILINE IN joa amt DIRECT OUT 2 2 TRK SEND R i AUXT OPTIONS m gt L 42 lt gt Auxa w pO RINSERT TiP SEND lt M 4 7 t L gt IMPEDANCE lt BALANCED INTERNAL AUX LINK OPTIONS E a ena pun MONITOR gar o Oi La m 9 AUX2 Lu o N PHONES LEV mg
7. 21 dBu max for stereo headphones 30 to 600 ohms lt 75 ohms lt 75 ohms lt 75 ohms lt 75 ohms lt 75 ohms lt 75 ohms lt 75 ohms lt 75 ohms FRONT PANEL LAYOUT DUAL FUNCTION AUDIO MIXING CONSOLE 6 220 7 LN x A o ve x 8 8 PA 2 Bw 5 sE zu H 9 8 i 60 MES n x AUS LP E vl jo 3 2 O 6 oo 6 i oo 46 fe fo AMT u 32 _ PRE 2 TRK M ve BA GL3300 USER GUIDE For line sources on XLR simply pluginto the XLR with the jack socket unplugged For balanced microphones which reguire phantom power select 48V If reguired this switch may be disabled by an internal link a Use the PFL system to listen to the signal and fine tune the gain setting amc VETRO Ng 20 40 20 ADJUST ln UD PEAK id ie d B a GAIN T
8. 8 Group Output option kit requires the installation and wiring ofa circuit board PCB assembly and should only be fitted by technically competent service personnel 8 GROUP OUTPUT OPTION KIT Order Code GL3300 8GD GL3300 User GUIDE RPSD2 Dual Supply Combiner The RPSD2 is designed to monitor DC power supply to GL3300 console With an additional power supply the RPSD2 will guickly and silently change over to the backup supply should the original power supply fail RPSD2 DUAL SUPPLY COMBINER Order Code RPSD 2 3K RPS9 POWER SUPPLY Order Code RPS9 Volts additional power supply for use with RPSD2 RPS11 POWER SUPPLY Order Code RPS11 Volts additional power supply for use with RPSD2 GL3300 Flightcase The GL3300 may be fitted into a touring flightcase Contact your A amp H dealer for details of your nearest flightcase manufacturer The dimension details are provided at the rear of this guide Miscellaneous Please contact your nearest Allen amp Heath dealer for the parts listed below GL3300 SERVICE MANUAL Order Code AP3103 GL3300 SPARES KIT Order Code 002 096 MAINS LEAD EUROPE 2PIN Order Code AH0205 RPS9 amp RPS11 power supplies MAINS LEAD USA C33 3PIN Order Code AH0323 RPS9 amp RPS11 power supplies MAINS LEAD UK 3PIN Order Code AH0206 RPS9 amp RPS11 power supplies RPS11DC CABLE ASSEMBLY Order Code 002 225 GL3300 User GUIDE 0 dBu 0 775 Volts RMS 0 dBV 1 Volt RMS INTERNA
9. LR monitor bargraph meters and on the Mono PFL meter if the optional meterpod is fitted In this way each sound can be correctly lined up and checked at any time DIRECT OUT taps the signal off post fader for connection to external processing or recording equipment This is ideal for multitrack recording during live performance as each channel can be recorded onto a separate track for mixdown later The direct out signal can be set pre fader ifthe internal link option is changed Refer to the Internal Link Options section in this user guide GL3300 User GUIDE INPUT BLOCK DIAGRAMS 5 5 se A m 55 NE I 8 I I MONO INPUT 3 81 I 4 BAND 2 SWEEP I EQUALISER FADER l I t E gt I m iHi mm I i INSERT TIP SEND 5 A I oggu RETUR l ag l I I POST FADE I I 1 I I GROUND CUMPENSATED I INTERNAL AUX LINK OPTIONS I PRE FADE vim l POSTADE I I I I I I I I I I STEREO INPUT t apes MIC EQUALISER uibs LINE IN Os L FADER N L INSERT SEND v O RING RETURN MOND R UST MUTE 1 e ml GAIN PRE MUTE I Li I l INSER TIP SEND ASE s 1 7 I A n 5
10. RING RETURN 098 INTERNAL AUX LINK OPTIONS POST FADE SVI PRE GL3300 User GUIDE AUX SENDS ui MONITORS ja of AUX 1 4 balanced outputs feed foldback monitors with graphic EO on INSERT to tune out acoustic resonances or to minimise feedback AFL lets you check the output signal after the insert and master level control MODE SWITCHES Decide your required console configuration and set these recessed switches using a pen tip or similar Press REVERSE to swap the group fader section with the aux master section This represents MONITOR MODE where the aux mix is on the fader with METER AFL MUTE balanced XLRoutputand INSERT forfull control of the monitor mix AFL lets you listen to and check the effect of the inserted graphic EQ or similar processing device In this mode the group mix is available on the aux master controls to feed the jack outputs as well as the subgroup section Mix and match this fader section as you require For example you could have 2 as monitor sends 4 as subgroups and 2 as additional outputs 14 o ol On 2 A 4 e 6 8 A o su SEND o on These PAN settings show subgroup 1 2 as a stereo pair and subgroup 3 4 panned off centre to slightly close the stereo image useful whe
11. si INSERT SEND TIP essc RETURN v RING PRE EQ Plugging a jack into the INSERT socket breaks the signal path between the input preamp filter and the EQ to let you add an external signal processor suchas acompressor or noise gate into the channel signal path Use a suitable Y lead or suitable TRS jack lead to connect to the external processor FLAT O HE 12kH S cut JK Boost KHz NL i 1 3kHz 6 XO Hz 500Hz 15kHz d ET 15dB i Ax CO SWEEP I 1598 Thr oit 35Hz kHz O GL3300 User GUIDE INPUT CHANNELS Plug ina microphone or line level source Use balanced cables where possible to prevent interference pickup on long cable runs Unbalanced sources may be connected by linking signal cold to ground XLR pin 3 to pin 1 jack ring to sleeve at the connector phantom powered line or unbalanced sources PHASE reverses the phase of the input source to correct the phase differences often encountered in microphone placement or due to incorrectly wired cables pin 3 hot instead of pin 2 May also be used to minimise acoustic feedback between closely positioned loudspeakers and mics in live sound mixing The stereo L reverses the left input phase only to correct for differences between left and right signals or for MS microphone techniques MIC LINE selects line sensitivity on the jack input when pressed O
12. subgroups lets you group similar sounds together under control of a single fader mono subgroup or panned pair of faders stereo subgroup For example the mics on a drum kit kick snare overheads toms backing vocals stage mics orchestral wind section etc Select L R ON to route a group to L R as a subgroup Position the signal within the stereo image using PAN GL3300 User GUIDE STEREO RETURNS The L and R inputs on individual jack sockets Sensitivity is for line level A om signals of 10dBV and more For a can FR ia mono source plug into the L input only SS he ne 4 5 gt als GROUP 1 4 Be st GROUP FADER POT N INSERT gt ases FADER re EO al 2 4 A RN GROUP 1 4 MIX Dana oh V MTXB A ica AFL sa E SIR Be E OB AFL MUTE 1 o AUX 5 8 MIX AUX 5 8 du AUX GROUP 5 8 OUT oH a A_N TP di hi X des Y IMPEDANCE lt O Banco RING GROUP 5 8 res P 0 GROUP 5 8 MIX 8 SIGNAL T GROUP AUX FADER KA st INSERT a R N tassi ja FADER opel n FT gt A INPU INPUT AUXIGROUP REVERSE SUBGROUPING METER SOURCE 1 2 oi E vu POT PAN LR i pollo XC A I 5 6 as FADER OQ w 2 St
13. 2dB S N LR faders 0 no channels routed lt 90dBu 94dB S N LR mix noise with 16 channels routed 86dBu 90dB S N Group mix noise with 16 channels routed 87dBu 91dB S N INPUTS STEREO RETURN 2 TRACK RETURN INSERT RETURN OUTPUTS L R MONO OUT GROUP OUT 5 8 GROUP OUT 1 8 option AUX OUT 1 4 AUX OUT 5 8 MATRIX OUT A B balance option 2 TRACK SEND INSERT SEND DIRECT OUT PHONES OUT GL3300 User GUIDE RETURN 1 1 pin 2 hot cold balanced pin 2 hot 3 cold balanced tip hot ring cold balanced pin 2 hot 3 cold balanced tip hot ring cold balanced tip sig ring gnd unbalanced tip sig ring gnd unbalanced tip send ring ret unbalanced pin 2 hot 3 cold balanced pin 2 hot 3 cold balanced impedance balanced pin 2 hot 3 cold balanced tip hot ring cold impedance balanced tip hot ring cold unbalanced tip hot ring cold balanced tip hot ring cold impedance balanced tip send ring ret unbalanced tip hot ring cold impedance balanced tip left ring right variable 60 to 10 dBu variable 40 to 10 dBu variable 40 to 10 dBu variable 40 to 14 dBu variable 40 to 14 dBu 10dBV min variable 10 dBV min OdBu chan 2dBu out 4 dBu 27 dBu max 4 dBu 27 dBu max 4 dBu 27 dBu max 4 dBu 27 dBu max 2 dBu 21 dBu max 2 dBu 21 dBu max 4 dBu 27 dBu max variable 21 dBu max OdBu chan 2dBu out OdBu
14. AC or DC power to the console audio connectors Do not connect the output of power amplifiers directly to the console CLEANING Avoid the use of chemicals abrasives and solvents The control panel is best cleaned with a soft brush and lint free cloth To remove stubborn marks such as chinagraph pencil isopropyl alcohol may be used LUBRICATION The faders switches and potentiometers are lubricated for life The use of electrical lubricants on these parts is not recommended DIRT DUST SMOKE and MOISTURE Prevent damage to the moving parts such as faders and potentiometers and cosmetics by avoiding drinks spillage tobacco ash and smoke and exposure to rain and condensation Protect from excessive dirt dust heat and vibration GL3300 User GUIDE INSTALLING THE POWER SUPPLY UNIT Refer to the SAFETY WARNING on the first page of this User Guide The GL3300 is supplied with either the RPS9 or the RPS11 power supply unit The console can work with either supply Consoles from serial number 004196 have been shipped with the RPS11 A second power supply can be connected through the optional RPSD2 combiner to provide a backup or redundant supply The power supply converts the AC mains voltage to the regulated positive and negative DC voltages reguired to power the console It also provides the 48V DC phantom power voltage for use with high quality powered microphones Input is via the IEC mains cable with moulded plug suitabl
15. AL and from your agent MONO INPUT LI WU T L 1 Reconfigure each aux as reguired to be 9 permanently pre fade or post fade rather than a Il switched by the front panel PRE POST switch ji i eo 2 Reconfigure the pre fade sends to be post EQ pre mute or pre EQ post mute instead of the standard post EQ post mute 3 Disable 48V phantom power regardless of panel switch position remove link PRE FADE AUX LINK OPTIONS POST EQ j DIRECT OUT LINK OPTIONS POST FADE PRE FADE 48V ENABLE 4 Reconfigure Direct Out to be pre fader E E ES instead of post fader sl 5 WS mmm 1 ae STEREO INPUT I ib EST 2 img E E 1 Reconfigure each aux as reguired to be I E JA MO M Oll permanently pre fade or post fade rather than 257 1 switched by the front panel PRE POST switch ee y MUTE E per SR cc a 2 Reconfigure the pre fade sends to be post so TE EQ pre mute or pre EQ post mute instead be lee d of the standard post EQ post mute SOOLE jeri 3 Disable 48V phantom power regardless of panel switch position remove link
16. ALLEN amp HEATH GL3300 Dual Function Audio Mixing Console USER GUIDE PUBLICATION AP3102 LIMITED ONE YEAR WARRANTY This product has been manufactured in the UK by ALLEN amp HEATH andis warranted to be free from defects in materials or workmanship for a period of one year from the date of purchase by the original owner To ensure the high level of performance and reliability for which this equipment has been designed and manufactured pleaseread this User Guide before use In the event of a failure notify and return the defective unit to ALLEN amp HEATH or its authorised agent as soon as possible for repair under warranty subject to the following conditions The equipment has been installed and operated in accordance with the instructions in the User Guide The equipment has not been subject to misuse either intended or accidental neglect or alteration other than as described in the User Guide or Service Manual or approved by ALLEN amp HEATH Any necessary adjustment alteration or repair has been made by ALLEN amp HEATH or its authorised agent Thedefectiveunitis to be returned carriage prepaid to ALLEN amp HEATH or its authorised agent with proof of purchase Units to be returned should be packed to avoid transit damage These terms of warranty apply to UK sales In other territories the terms may vary according to legal requirements This product complies with the European Electr
17. L OPERATING LEVEL INTERNAL HEADROOM MAX OUTPUTS METERS E Rusa Groups 1 8 Channels PEAK LEDS oui btc METERPOD POWER SUPPLY AC Mains input SPECIFICATION 2 dBu 21dB channels 23dB mix to output balanced 27dBu gt 2 kohm max load unbalanced 21dBu gt 2 kohm max load peak reading 12 segment LED peak reading 4 LEDs peak reading 3 LEDs Turn on 5dB before clipping Illuminated VU meters with Groups 1 8 L R and Mono PFL AFL levels PFL AFL active indicator 59 2U x 19 rack mount RPS11 3U x 19 rack mount range 100V to 240V AC 50 60Hz Set with 4 position fuse insert FREQUENCY RESPONSE 20Hz to 30kHz 0 1dB DISTORTION THD Noise at 14dBu 1kHz Mic in to LR out at 40dB gain 0 01 Line in to LR out at OdB gain 0 0196 CROSSTALK Referred to driven channel at 1kHz Adjacent channel lt 100dB Fader Shutoff rien lt 90dB Mute shutoff lt 90dB Panpot shutolf ana 72dB NOISE Measured RMS 22Hz to 22kHz bandwidth Mic input EIN referred to 150 ohm source lt 128dB Line input pre amp at OdB gain lt 93dBu LR output residual noise lt 98dBu 10
18. ck socket unplugged STEREO Switch off channel 48V when the inputs are connected to non yv Separate GAIN controls for L and GAIN mS R inputs let you ALS adjust the balance 2 S between the SUM STEREO m sources or treat each as a separate m MONO source Both L and R up gives you a true stereo channel Press both to mono the source Press just one to select one side only as a mono source 15dB n FT T 15dB N M dekHz 2 5kHz A 15 x 15 1508 Ve N p 2 SkHz Os 15dB 15 Val MF N y 154 lt gt 15 415 15dB n LE I 80Hz A BOHz 15dB 15 415 I me e 5 15dB 11 12 3 7 8 4 A N o 8 A 3 wut 20 me 3 e 1277 L KS position CE GRP AUX AUX OUT Normal fader 8 AUX SENDS 8 AUX SENDS provide ample feeds for foldback monitors and effects These are in two groups of four each with a POST PRE switch to source the sends either pre fader or post fader AUX 1 4 feed balanced XLR outputs capable of driving long cable runs and include INSERT points These are normally used to provide MONITOR SENDS to the performers and stage crew although they can be use
19. d amplifiers and destination equipment If too high the signal peaks will be clipped resulting in a harsh distorted sound and if too low the signal to noise ratio is reduced resulting in excessive background hiss For best results operate the console with the meters averaging 0 or just below and allowing the loudest passages and occassional peaks into the yellow Reduce the gain if the peak indicators flash red The GL3300 produces a standard XLR output level of 4dBu for a meter reading of OVU It is advisable to adjust the power amplifier input gain or fit an attenuator pad if normal console operation results in an output level too high for the connected amplifier Normal operation should result in fader levels around the 0 mark The GL3300 has an advanced PFL pre fade listen AFL after fader listen and channel metering system to let you listen to and check the level of signals at different points in the signal path without affecting the main outputs Use the channel PFL switches to set up the input GAIN controls to read an average 0 yellow LED Signal activity is always shown on the channel meters regardless of fader mute switch position The green SIG LED lights at 20dBu to indicate signal presence the green 0 LED indicates normal level and the red PEAK LED warns of potential overload 5dB before clipping GL3300 User GUIDE 1122099 The ALLEN HEATH GL3300 represents a breakthrough in price versus performance and functi
20. d for additional effects Plug a graphic EQ into the insert to ring out the monitor tune to the stage acoustics to minimise feedback The effect of the EQ can be listened to using the aux master AFL system Monitor sends are usually set pre fade although some sources such as radio mics can be set post fade to avoid dressing room talk spill Note stereo input channel aux sends are the mono sum of left and right AUX 5 8 feed jack outputs and are normally used to provide EFFECTS SENDS to external devices such as reverb and delay effects units Effects sends are set post fade so that the amount of effect wet signal is always relative to the position of the fader dry signal Adjust the amount of effect required for each channel using its AUX control The effect is returned to the mix through another channel usually the stereo return described later in this guide Note when the GRP AUX REVERSE 5 8 switches are pressed in the master section AUX SENDS 5 8 feed XLR outputs with inserts GROUPS 5 8 are re routed to AUX 5 8 jack outputs POST FADE sends are always post EQ post mute PRE FADE sends are set post EQ post mute as standard but may be internally reset to be pre EQ pre mute or post EQ pre mute Each AUX SEND may be internally set to be permanently pre or post fade rather than follow the panel switch Refer to the Internal Link Options section in this user guide PAN positions the channel signal between the Left L and Right R outpu
21. e for the local supply as provided with the unit The IEC mains input socket includes a fuse and voltage selector which must be set to match local supply voltage The output connects to the console via a 2 9 metre DC power cable fitted with locking 5 pin XLR plug The RPS9 has a captive DC cable The RPS11 has a separate DC cable which connects to the power supply using a screw locking 10 pin circular plug To ensure the best performance we recommended that you do not extend the DC cable or site the power supply more than 2 9 meters away from the console The power supply may be operated free standing or mounted in a 19 rack The RPS9 requires 2U rack space The RPS11 requires 3U rack space As with any power supply unit it is best positioned away from the console or other signal processing equipment containing sensitive low level audio signals to avoid the possibility of hum pickup Please read the warnings printed below Check that the voltage indicated in the fuseholder window is the same as the mains supply in your area To avoid the risk of fire replace the fuse only with the correct type and value as specified on the unit It is normal for the power unit to dissipate heat Ensure adequate ventilation around the unit Do not cover the unit or position it on soft furnishings during operation Do not position other equipment known to generate significant amounts of heat below the unit It is recommended that rack units containing high pow
22. e mix may be slightly different from the main speakers for example vocal light to keep the vocals nearer the stage Adjusting the balance of the groups to the matrix achieves this Another example is live sound recording where the PA mix may be necessarily lacking in bass due to the acoustic output of the orchestra or backline Compensate for this by recording from the matrix with the group feeds adjusted for an even recording balance MUTE GROUPS MUTE GROUPS let you mute a selected combination of channels with a single key press Applications include muting unused channels when mixing different bands muting all channels except 2 track playback during intermission muting effects muting a bank of radio mics during an instrumental number muting stage mics during scene changes etc The GL3300 includes 4 MUTE GROUPs controlled by a bank of 4 large illuminated buttons between the Group and L R faders These latching switches may be selected one at a time or together To set up a mute group press one of the mute group selector switches M1 M2 M3 M4 on the input channels Now press the corresponding mute group switch in the master section The mute group switch and the channel mute switch will illuminate and the input channel signal will be muted An input channel can be a member of more than one mute group by simply pressing another channel mute group selector switch ro EN EN EN EE
23. eo inputs are not available 16 channel console ea CLEARANCE FOR KNOBS a CLEARANCE FOR FADER KNOBS i Mt REAR CONNECTORS GL3300 CONSOLE NOTE When fitted in a flightcase support the 55 4 rear of the console along the lower extrusion Cp ae et 634 beam and not the side trim plates 640 UNPACKED MEASUREMENTS in mm inches WIDTH DEPTH HEIGHT WEIGHT in Kg Ibs 771 30 634 25 1026 40 640 25 1281 50 640 25 1536 60 640 25 255 10 640 25 482 19 145 6 482 19 135 5 482 19 232 9 PACKED MEASUREMENTS in mm inches WIDTH DEPTH HEIGHT WEIGHT in Kg Ibs GL3300 816 1430 56 845 33 370 15 38 84 GL3300M 824 1430 56 845 33 370 15 49 108 GL3300M 832 1940 76 845 33 370 15 60 132 GL3300M 840 1940 76 845 33 370 15 65 143 420 17 885 35 325 13 11 24 535 21 410 16 135 5 530 21 270 11 200 8 520 20 330 13 215 8 18 GL3300 User GUIDE 265 INTERNAL LINK OPTIONS The console is set to satisfy most applications that should be encountered However the following internal link options are offered to provide alternative settings for those applications that may require them These options involve resoldering of circuit board links and should only be carried out by competent technical personnel Further information is available in the GL3300 SERVICE MANU
24. er amplifiers and other heat dissipating equipment are fitted with cooling fans Always switch the power unit off before connecting or disconnecting the console power cable This unit contains no user serviceable parts Do not remove the cover Refer servicing to qualified service personnel only The RPS9 and RPS11 power supplies conform to safety standard EN 60065 GL3300 User GUIDE EARTHING THE AUDIO SYSTEM The console chassis is connected to mains earth via the DC power cable Audio OV is connected to the chassis and therefore mains earth In this way all signal returns and connector shields are connected to mains earth at the console T To ensure operator safety do not remove the earth connection from the power supply mains plug For best performance it is important that the earth system is solid clean and noise free To prevent mains born and external interference pickup from lighting equipment motors and other mains powered equipment it is recommended that a separate clean mains distribution outlet is used for the audio system All signal cables should have their screens connected to earth at the connector If earth ground loop problems result in audible hum or buzz then disconnect the cable screen connection at one end usually the destination end This may be done within the cable plug or by operating the ground lift switch if available on the connected equipment Many DI boxes and power amplifiers include this faci
25. ereo return inputs are provided to return the STEREO RETURN 1 2 effects wet signal usually from a stereo device to T FADER STEREO the mix These are normally routed to the main L a s il A R mix but may be returned to the corresponding lt pairs of subgroups for group effects 1 2 or 3 4 n PERES These inputs may also be used as additional line inputs or as external inputs to the matrix mix by selecting A B The BAL control adjusts the balance gt Qu gt FADER MATRIX A B MIX 51 M AT R X A BAL MATRIX A B OUT N N gt between left and right signals or can be used as a pan control to route the signal to one side only by rotating fully A smooth travel 60mm fader provides precise control of the level M TALKBACK AN 29 Balanced input fora gooseneck or Reco rd i n g from the TALK 9 cable microphone for the operator to MR do talk to the aux sends foldback monitors 48V may be enabled by means of an internal link for microphones which require phantom power Refer to the Internal Link Options section in this user guide MIC IN GROUPS There are two ways of recording from the groups One is to connect the multitrack inputs to the group INSERT send and link the send and return jack tip to ring together Talk to the required aux mix by pr
26. essing and holding the appropriate switch Talk to several at the same time by holding down a combination of switches Alternatively install the 8 group output option All outputs are impedance balanced 4dBu or 10dBV and available on a single 25 way D type connector on the rear panel Refer to the Options and Accessories section The ability to talk to individual auxes is important when using the console for stage monitoring and cueing the performers GL3300 User GUIDE Two matrix outputs and B are provided These are additional outputs on TRS jacks controlled by 60mm smooth travel FADERS and with AFL monitoring to check the post fader signal The matrix mix is created from the 8 groups L and R by adjusting Y the MTX level controls These signals are fed post their respective faders Note that in in MONITOR MODE REVERSE selected the matrix is still fed from the groups i now routed via the aux masters External inputs to the matrix are available from the adjacent stereo returns The matrix outputs can be balanced by fitting the balance option refer to the Internal Link Options section in this user guide The matrix outputs satisfy a host of applications Traditionally the matrix has been used to feed additional speaker systems such as auditorium balcony speakers These are fed through delay units to compensate for acoustic delay due to the distance from the main speakers Here the balance of th
27. lity PLUGGING UP THE CABLES Where possible use balanced connections to prevent noise and interference pickup especially on long microphone cable runs Avoid running audio cables next to mains computer or lighting cables or near thyristor dimmer units power supplies etc The use of low impedance sources such as good quality microphones of 200 ohms or less significantly reduces interference pickup Many problems can be avoided by taking time to check that all cables are correctly wired in phase with professional quality cable and carefully soldered joints The following wiring convention is used XLR pin 1 OV earth shield pin 2 hot ve in phase signal 1 4 jack tip hot ve signal left send rng cold ve OV right return sleeve OV earth shield pin 3 cold ve out of phase signal To connect an unbalanced source to a balanced console input link the cold input XLR pin 3 or jack ring to OV earth pin 1 or jack sleeve at console To connect a balanced console output to an unbalanced destination link the cold output to OV earth at the console Switch off the input channel 48V when using non phantom powered line or unbalanced sources ADJUSTING THE LEVELS For best performance it is important that the connected source signals are matched to the normal operating level of the console Similarly the console outputs should be correctly matched to the operating levels of the connecte
28. n the speaker stacks are widely spaced and the front rows of the audience may be confused by a full stereo image oB oB OF om L 1 ULL IMAGE EREO SUBGROUP CENTRE IMAGE MONO SUBGROUPS i n W 065600 0 0 B 2 3 4 AUX 5 8 jack outputs to send selected signals to external effects devices MUTE Ow E Ole Q MUTE MUTE os TE o MUTE Ow 27 E Om GROUPs 5 8 are available on balanced XLR outputs to drive long cable runs INSERTS are provided on all 8 groups to insert signal processing devices such as compressor limiters into the signal path Use these outputs as additional speaker feeds or for recording In MONITOR MODE GROUP 5 8 become AUX 5 8 outputs to provide a total of 8 dedicated stage monitor sends on XLR with inserts MUTE switches the sional off Muted groups are indicated by red LEDs AFL lets you check the output signal after the insert and fader control Each group has 4 way LED metering providing signal presence indication and peak warning which illuminates approximately 5dB before clipping The subgrouping is always fed from the group mix regardless of GRP AUX REVERSE All the XLR outputs operate at a nominal high level 4dBu Ensure correct matching to external equipment SUBGROUPING Using
29. nds 2 stereo returns with faders and routing 2 track record and replay with level controls Individual talkback to all aux sends Extensive monitoring and metering facilities Gooseneck lamp connector Advanced channel features including 48V phase switch lo cut filter meter and insert Direct output on mono channels 4 band 2 sweep EQ with wide ranging frequency sweep and 15dB boost cut Pre post aux switching with additional internal link options Stereo mic line channels with XLR Jack inputs and inserts High performance circuitry used for low noise and sonic purity High quality proven reliable parts used throughout Rear mounted connectors comfortable soft armrest wide write on strips Rugged metal beam construction for on the road rigidity easily flightcased and transported Removeable steel base for easy access to individual circuit assemblies GL3300 User GUIDE OPTIONS amp ACCESSORIES There are a range of options and accessories available for the GL3300 range All are supplied complete with fixings and installation and operating instructions Contact your nearest Allen amp Heath dealer if you wish to purchase an option or accessory VU meterbridge Units from Serial Number 002200 include a built in VU Meterpod as standard An optional VU Meterpod is available for earlier units Contact your nearest A amp H dealer for details Expander The GL3300 can be expanded up to a maximum of 40 input channels The e
30. omagnetic Compatibility Directives 89 336 EEC amp 92 31 EEC and the European Low Voltage Directives 73 23 EEC amp 93 68 EEC NOTE Any changes or modifications to the console not approved by Allen amp Heath could void the compliance of the console and therefore the user s authority to operate it Manufactured In England ALLEN HEATH Allen amp Heath Limited Kernick Industrial Estate Penryn Cornwall TR10 9LU UK http www allen heath com copyright 2001 ALLEN amp HEATH All rights reserved Publication AP3102 Issue 4 GL3300 UsER GUIDE INTRODUCTION The GL3300 continues ALLEN amp HEATH s commitment to provide high quality audio mixing consoles engineered to meet the exacting requirements of today s audio business It brings you the latest in high performance technology and offers the reassurance of over two decades of console manufacture and customer support This user guide presents a quick reference to the function application and installation of the GL3300 For further information on the basic principles of audio system engineering please refer to one of the specialist publications available from bookshops and audio equipment dealers Whilst we believe the information in this guide to be reliable we do not assume responsibility for inaccuracies We also reserve the right to make changes in the interest of further product development SERVICE AND TECHNICAL SUPPORT Under normal conditions
31. onality It offers the professional user a new level of versatility to guickly adapt to the exacting demands of live sound engineering today The GL3300 is developed from the successful GL3000 console which includes innovative mode switching that quickly converts the console from Front of House to On stage Monitor operation Apart from continuing the development of this unique feature the GL3300 packs in more features and performance at the same price point of the mixer it succeeds FEATURES SN NNN NN S S S S S S S S S S S S S S S S S S SKS S S S S S Easy to use intuitive layout 16 24 32 and 40 channel frames each with customer configurable mono and stereo input modules Mono and stereo channel bolt on expanders available to extend up to a maximum 40 channels Separate safety approved power supply unit SYS LINK buss expander option VU meterpod for 24 32 and 40 models 4 assignable mute groups for combined channel control L R outputs on balanced XLR with inserts Mono sum output on balanced XLR with mode switching to listen wedge monitor 8 subgroups with 4 available outputs on balanced XLR with inserts All 8 group outputs available on 25pin D connector as an option L R mute and pan on each subgroup 2 matrix outputs on faders fed from L R 8 subgroups and stereo returns 8 aux sends 4 on jack 4 on balanced XLR outputs with inserts Mode switching to convert console to on stage monitor status with 8 mono and 1 stereo se
32. r becomes a 20dB pad for the XLR input when no jack is plugged in GAIN matches the level of the input source to the normal operating level of the console Adjust this to read an average 0dB on the channel meter yellow LED Use the PFL system to listen to the signal and fine tune the gain 100Hz lo cut filter removes low frequency noise such as microphone pops stage noise and transport rumble before the pre amp stage The lo cut filter is independent of the equaliser The 4 band EQ lets you adjust the tonal quality of the sound in 4 separate bands HF treble and LF bass are shelving while the 2 mid bands MF1 amp 2 are peak dip with a Q of 1 6 This is optimum for both corrective and creative equalisation The controls are centre detented for centre flat response Press EQ IN to switch the EQ into the signal path The 2 mid frequency bands on the mono input channel may be sweptacross a wide frequency range to tune into the exact frequency required The mid bands are overlapping to provide additional cut or boost when required The EQ on the stereo inputs has the 2 mid frequencies at 250Hz and 2 5kHz This provides optimum control over boomy or boxy sounds and to add presence and sparkle to vocals etc MF1 The stereo channels are well suited to stereo miking dual mic mixing or returning keyboards and effects processors to the mix and monitors For line sources on XLR simply plug into the XLR with the ja
33. ssing AFL anywhere on the console automatically overrides the monitor with the selected AFL signal Pressing PFL overrides both the monitor source and any selected AFL This feature lets you listen to an AFL source group for example and check channel signals simply by pressing and releasing the required PFL buttons PFL or AFL selected is indicated by means of a large red LED above the MONITOR MODE Press the mode switch for STAGE MONITOR application The mono out XLR now feeds the monitor engineers listen wedge speaker It is advisable that the same type of loudspeaker is used for this as those used for the stage monitors themselves Select your required application LR sum mono out FOH or AFL interrupted by PFL STAGE MONITOR L R M OUTPUTS The main L and R outputs are individually controlled on two 100mm long throw faders The outputs are balanced XLR to drive long cable runs INSERT points are provided so that signal processors such as compressors or limiters may be patched into the signal path Left and right signals are summed together to feed the balanced XLR MONO output which may be used to feed a centre fill speaker system provide a mono broadcast or recording feed or work a mono PA with capability for stereo recording The MONO output is post fade but can be set pre fade by changing internal link options 17 master section WIDTH L SI Stereo inputs fitted to right of master section D 2 Note Ster
34. ts when the L R ROUTING switch is pressed PAN also positions the channel signal between the ODD groups e g 1 3 5 7 and EVEN groups e g 2 4 6 8 when the ROUTING switches are pressed This lets you position the sounds within a stereo image In this way subgroups may be setup in mono by turning the PAN fully left L or right or in stereo by setting PAN between L and R to feed a pair of groups MUTE switches the signal off when pressed A muted channel is indicated by the illuminated switch The channel meter continues to indicate pre mute and fader channel activity The mute switch also illuminates when the channel is muted by one of the 4 MUTE GROUPs Switches M1 M2 M3 M4 next to the fader assign which mute group the input channel will be assigned to This is controlled by the MUTE GROUP switches located in the master section A 100mm long throw FADER provides 10dB boost above the normal 0 operating level A3LEDCHANNEL METER system shows signal activity atalltimes The green SIG LED indicates signals greater than 20dBu the yellow 0 LED represents normal operating level and the red PEAK LED warns of potential overload 5dB before clipping Set the channel so that the meter averages 0 Back the gain off if the red peak LED flashes Pressing PFL automatically interrupts the headphone monitor signal to let you listen to the channel pre fader signal without interrupting the main console outputs The signal level is shown on the
35. xpander is an 8 channel wide bolt on module with full function input channels and soft armrest It can be fitted to the left or right hand side of the console depending on the console format The expanders are available in 4 different formats 8 MONO INPUT CHANNEL EXPANDER Order Code GL3300 8M 8 STEREO INPUT CHANNEL EXPANDER Order Code GL3300 8S 4 MONO amp 4 STEREO INPUT CHANNEL EXPANDER Order Code GL3300 4MS EHI 4 STEREO amp 4 MONO INPUT CHANNEL EXPANDER Order Code GL3300 4SM E SYS LINK Buss Expander Kit The SYS LINK expander option allows console to console interconnection by means of just two cables By connecting two GL3300 consoles together or to any other A amp H console fitted with the SYS LINK option the number of input channels can be increased One console acts as a channel expander slave to the second master Please note the SYS LINK option kit requires the installation and wiring of a circuit board PCB assembly and should only be fitted by technically competent service personnel SYS LINK BUSS EXPANDER KIT Order Code GL3300 SL 1 for one console only 8 Group Output option Kit The 8 Group Output option allows direct access to all 8 groups in the console This is in addition to group outputs 5 8 on XLR connectors on the rear panel This option uses one of the SYS LINK connector mounting holes and may need to be repositioned if the SYS LINK option is already fitted Please note the
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