ALLEN & HEATH XB-14 Quick Operation Manual

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Guest Phones level
Adjusts the level of the guests’ headphones from off (fully attenuated) to maximum. Each headphone output socket
has a dedicated amplifier with a gain of 12dB.
Program Mix Fader
The main program mix level control. Affects the stereo PGM output, but not the mono PGM output. 0dB, or unity
gain is at the top of the fader.
MIC FADER UP =CUT Speakers
An under-panel switch to enable the fader start logic switching to cut the control room speaker outputs. This is
useful when the CRM speakers are in close proximity to the microphones plugged into the mono channels and
acoustic feedback may occur from the speakers to the microphones.
Press the switch to enable the automatic muting.

ALLEN & HEATH XB-14 Specifications

Operating Levels

Mono channel Mic input range	+6 to –63dBu
Mono channel Line input range	+10 to –26dBu
Insert point nominal level	0dBu
Stereo input nominal level	0dBu
Telco channel input range	+10 to –26dBu
External monitor inputs nominal level	0dBu

Output Levels

PGM L & R outputs nominal level	+4dBu
PGM Mono output nominal level	0dBu
PGM L & R inserts nominal level	-2dBu
Aux output nominal level	0dBu
Mix B outputs nominal level	0dBu
Rec outputs nominal level	0dBu

Audio Performance

THD+n Mic in to PGM L/R Out	0.003%
THD+n Mic in to PGM Out	0.007%
THD+n Line in to PGM L/R out	0.004%
THD+n Stereo in to PGM out	0.003%
Noise Mic Pre EIN	-127dBu
Noise PGM out	-92dBu

Frequency Response

Mic in to PGM L/R Out	20Hz to 20kHz
Line in to PGM L/R out	10Hz to 30kHz
Stereo in to PGM L/R out	10Hz to 30kHz

Headroom

Analogue Headroom Outputs	21dB
USB in & out headroom	14dB
Analogue Headroom Mix point	24dB

Crosstalk & 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