Behringer MX9000 user manual INPUT/OUTPUT Configuration, Modifications

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23. INPUT/OUTPUT CONFIGURATION

 

Nominal level

Balanced

Attenuation

EURODESK internal

+4 dBu

-

-

XLR microphone input

-

Yes

Trimpot / PAD switch

Line A input

+4 dBu

Yes

Trimpot

Line B / tape input

+4 dBu / -10 dBV

Yes

Gain switch

Aux sends

+4 dBu

No

Pot

Aux returns

0 dBu

No

Pot

MIX-B output

+4 dBu

No

Pot

Subgroup output

+4 dBu / -10 dBV

Yes

Gain switch

Main mix 1/4" jack

+4 dBu

No

Fader

Main mix XLR

+4 dBu (max. +28 dBu)

Yes

Fader

2-track out RCA

+4 dBu

No

Fader

2-track in 1/4" jack / RCA

+4 dBu

No

No

External input

+4 dBu

No

No

Channel insert out

+4 dBu

No

No

Channel insert in

+4 dBu

No

No

Channel direct out

+4 dBu

No

Fader

Subgroup insert out

0 dBu

No

No

Subgroup insert in

0 dBu

No

No

Main mix insert out

0 dBu

No

No

Main mix insert in

0 dBu

No

No

Control room out

+4 dBu

No

Pot

Studio out

+4 dBu

No

Pot

Meter / analyzer out

+4 dBu

No

No

Fig. 23.1: Input/output configuration

The EXPANDER PORT inputs have a nominal level of -2 dBu (subgroup/mix) and +2 dBu (aux).

+All variable gain circuits offer +15 dB (except aux returns, which offer +20 dB).

+All balanced jack sockets are automatically unbalanced when using an unbalanced jack patch lead!

24. MODIFICATIONS

+These modifications require you to do some soldering. Attempt only if you are experienced in using an iron on PCBs. Otherwise, refer to qualified personnel. After modification the warranty becomes discretionary.

+Excuse us for repeating ourselves once again: BEHRINGER is not responsible for anything what happens after you start disassembling your EURODESK MX9000. Don't even think of it, if you make much of your warranty privileges.

+Links should not be threaded into holes on the PCB. They should be soldered to the tinned areas around the holes, and bowed slightly upwards in between.

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Contents Eurodesk MX9000 Safety Instructions Detailed Safety InstructionsForeword Table of Content Track Recording with 2 Samplers Manual Eurodesk OverviewPSU Power Supply Unit MeteringChannel strip Input switchingINPUT/OUTPUT Channel Input gain setting Channel input switching architectureMain equalizer Aux sendsRouting and muting Aux sendsChannel RoutingInserts B-channelSubgroup and Direct Outputs SubgroupsStereo subgroup channel schematic Aux masters Master PanelDirect outputs Aux sends Stereo aux returns MIX-B master Mix-BMonitoring MonitoringHeadphones PhonesPFL/SOLO TalkbackConnections Rear panelPower supply unit connector Subgroup inserts Main balanced outputs 10 MIX-B operating level switch and phantom power switch Plug soldering guide Page Patchfield PatchfieldNormalized bay Example of patchbay configurations Looming problems Wiring for bay 8 for advanced wiring scheme refer to sectionEqualization Gain Optimization Impedances and Tuning Unbalanced LinesChannel setting up procedure START-UPDesk/tape setting up procedures Track Midi SUITE/DANCE Production Studio Auxless headphones mix SendsSlightly more complicated auxless headphones mix ReturnsMixdown Track Recording with 2 SamplersLining up record/sample inputs RecordingHeadphones Professional 24-TRACK StudioTab .1 Channel assignment Wet monitoring Very tricky headphonesLive P.A. with 2-TRACK Recording Tab .1 Channel assignments 2-track Live Concert with 24-TRACK Recording Tab .2 Front/rear/stage monitors routing Connections Expanding the Eurodesk MX9000Timecode AlignmentBouncing Sequencing LiveINPUT/OUTPUT Configuration ModificationsLED meters pre fader Aux sends post EQMIX-B source post fader Specifications DBr ref. +4 dBu, 24 chs. assigned input B & set @ unity gain Warranty § 1 Warranty CARD/ONLINE RegistrationPage
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