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14

GL3000 U

SER

 G

UIDE

  

ISS

.1

TALKBACK

LAMP

Plug in a 12V
gooseneck lamp to
provide illumination
of the control panel.

This should be a
BNC connector
type.

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 

TO L-

R

.  An LED warns that replay is on.

The 

SEND

 may be used for recording the

performance in stereo, to feed alternative
speakers, drive an induction loop hearing
aid system, 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.

MATRIX

Balanced XLR input for a gooseneck (or
cable) microphone for the operator to
talk to the aux sends (foldback monitors).

+48V

 may be enabled by means of an

internal link for microphones which
require phantom power.

Talk to the required aux mix by pressing
and holding the momentary talk switch.
Talk to several at the same time by holding
down a combination of switches.

The ability to talk to individual auxes is
important when using the console for
stage monitoring and cueing the
performers.

Two matrix outputs 

A

 and 

B

 are provided.  These are additional outputs on jack (balance option available) controlled

through 60mm smooth travel 

FADERS

, and with 

AFL

 monitoring to check the post fader signal.  The matrix mix is created

from the groups 1 to 8, L and R by adjusting the 

MTX

 level controls.  These signals are fed post their respective faders.

Note that in '

MONITOR MODE

' (

REVERSE

 selected) the matrix is still fed from the groups (now routed via the aux

masters).  External inputs to the matrix are available from the adjacent stereo returns.

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
through the distance from the main speakers.  Here the balance of the 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.

2-TRACK

Summary of Contents for GL3000

Page 1: ...PUBLICATION AP2366 AUDIO MIXING CONSOLE USER GUIDE ...

Page 2: ...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 HEATH 3 Anynecessaryadjustment alteration orrepairhasbeenmadebyALLEN HEATHoritsauthorised agent 4 ThedefectiveunitistobereturnedcarriageprepaidtoALLEN HEATHoritsauthorisedagentwith proof of purchase 5 Units to be returned ...

Page 3: ...n application and installation of the GL3000 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 fu...

Page 4: ... 15A 20mm fuse AC mains supply 110 to 125 V AC 120 T 3 15A 20mm fuse AC mains supply 210 to 230 V AC 230 T 1A 20mm fuse AC mains supply 235 to 260 V AC 240 T 1A 20mm fuse 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 ...

Page 5: ...nal ring cold 0V right return pin 3 cold out of phase signal sleeve 0V earth shield To connect an unbalanced source to a balanced console input link the cold input XLR pin 3 or jack ring to 0V earth pin 1 or jack sleeve at the console To connect a balanced console output to an unbalanced destination link the cold output to 0V earth at the console Switch off channel 48V when the inputs are connecte...

Page 6: ...ncluding 48V phase switch lo cut filter meter and insert 9 4 band 2 sweep EQ with wide ranging frequency sweep and 15dB boost cut 9 Pre post aux switching with additional internal link options 9 Pan and LR on switch on each subgroup 9 High performance circuitry used for low noise and sonic purity 9 High quality proven reliable parts used throughout 9 Rear mounted connectors comfortable soft armres...

Page 7: ...GL3000USER GUIDE ISS 1 7 FRONT PANEL LAYOUT ...

Page 8: ...stereo 8 groups 8 aux 2 stereo returns 2 matrix L R Mono sum GL3000 840S 36 mono 4 stereo 8 groups 8 aux 2 stereo returns 2 matrix L R Mono sum With separate RPS9 rack mount power supply unit Can work with RPSD dual supply combiner monitor 8 channel bolt on expander to extend any size console to a maximum 40 channels GL3000 8M 8monoinputs GL3000 4SM 4 mono 4 stereo mic line inputs Optional VU mete...

Page 9: ...R pin 2 hot 3 cold balanced 75 ohms 4 dBu 27 dBu max AUX OUT 1 4 XLR pin 2 hot 3 cold balanced 75 ohms 4 dBu 27 dBu max AUX OUT 5 8 1 4 JACK tip hot ring cold ground comp 75 ohms variable 21 dBu max MATRIX OUT A B 1 4 JACK tip hot ring cold ground comp 75 ohms 2 dBu 21 dBu max balance option 1 4 JACK tip hot ring cold balanced 75 ohms 4 dBu 27 dBu max 2 TRACKSEND 1 4 JACK tip hot ring cold ground ...

Page 10: ...f the input source to thenormaloperatingleveloftheconsole 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 100Hzlo cutfilterremoveslowfrequencynoise such as microphone pops stage noise and transportrumblebeforethepre ampstage The lo cut filter is independent of the equaliser The 4 band EQ lets you adjust the tonal ...

Page 11: ...eset to be pre EQ pre mute or post EQ pre mute Eachauxmaybeinternally set to pre or post fade permanently rather than follow the panel switch 8AUXSENDS provideample 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 8 AUX SENDS Pressing PFL automatically interrupts the headphone monitor signal to le...

Page 12: ...andthefrontrowsofthe audience may be confused by a full stereo image The subgrouping is always fed from the group mix regardlessofGRP AUXREVERSE AUX 5 8 jack outputs to send to selected signals to external effects devices A nominal control setting of 7 allows 10dB boost above normal line level MODE SWITCHES AUX 1 4 balanced outputs to feed foldback monitors INSERTgraphicEQtotune out acoustic reson...

Page 13: ...ntrol for comfortable listening level The phones and12segmentbargraphmetersnormallymonitorthe post fadeL Rmix Press2 TRKtomonitorthereturn from a stereo recorder if connected Pressing AFLanywhere 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 ...

Page 14: ...witches The ability to talk to individual auxes is important when using the console for stage monitoring and cueing the performers Two matrix outputs A and B are provided These are additional outputs on jack balance option available controlled through60mmsmoothtravelFADERS andwithAFLmonitoringtocheckthepostfadersignal Thematrixmixiscreated from the groups 1 to 8 L and R by adjusting the MTXlevel c...

Page 15: ... standard post EQ post mute 3 Disable 48V phantom power regardless of panel switch position remove link STEREO INPUT 1 Reconfigure each aux as required to be permanently pre fade or post fade rather than switched by the front panel PRE POST switch 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 regard...

Page 16: ......

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