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ALLEN & HEATH XB-14 Service Manual

ALLEN & HEATH XB-14
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ALLEN&HEATH XB-14 service manual AP7566 Page - 6 - of 13
Testing the unit:
Before operating the equipment, read and adhere to the Important Safety Instructions
printed in the user guide. Test that the service work has been successfully carried out.
Shipping the unit:
Use adequate packing such as the original packaging or purpose designed flight case if
you need to ship the unit. To avoid injury to yourself or damage to the equipment take
care when lifting, moving or carrying the equipment.
Operation:
To test the console make sure it is connected as described in the user guide. Check
that the voltage setting marked on the rear panel is correct for the local mains supply.
Fault finding:
For effective fault diagnosis trace the signal flow through the circuit path. Refer to the
system block diagram. Replacement circuit assemblies are available from Allen &
Heath.

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ALLEN & HEATH XB-14 Specifications

Operating Levels IconOperating Levels
Mono channel Mic input range+6 to –63dBu
Mono channel Line input range+10 to –26dBu
Insert point nominal level0dBu
Stereo input nominal level0dBu
Telco channel input range+10 to –26dBu
External monitor inputs nominal level0dBu
Output Levels IconOutput Levels
PGM L & R outputs nominal level+4dBu
PGM Mono output nominal level0dBu
PGM L & R inserts nominal level-2dBu
Aux output nominal level0dBu
Mix B outputs nominal level0dBu
Rec outputs nominal level0dBu
Audio Performance IconAudio Performance
THD+n Mic in to PGM L/R Out0.003%
THD+n Mic in to PGM Out0.007%
THD+n Line in to PGM L/R out0.004%
THD+n Stereo in to PGM out0.003%
Noise Mic Pre EIN-127dBu
Noise PGM out-92dBu
Frequency Response IconFrequency Response
Mic in to PGM L/R Out20Hz to 20kHz
Line in to PGM L/R out10Hz to 30kHz
Stereo in to PGM L/R out10Hz to 30kHz
Headroom IconHeadroom
Analogue Headroom Outputs21dB
USB in & out headroom14dB
Analogue Headroom Mix point24dB
Crosstalk & Attenuation IconCrosstalk & Attenuation
Mono fader attenuation 1kHz/10kHz-99/-90
Mono ON switch attenuation 1kHz/10kHz-96/-80
TELCO fader attenuation 1kHz/10kHz-99/-92
TELCO ON switch attenuation 1kHz/10kHz-102/-100
Stereo fader attenuation 1kHz/10kHz-100/-91
Stereo ON switch attenuation 1kHz/10kHz-102/-102

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