ALLEN
&
HEATH
XB-14 service manual AP7566
Page - 13 - of 13
SPECIFICATION
Operating Levels
Input
Mono channel Mic input (XLR) +6 to –63dBu for nominal (+17dBu in max)
Mono channel Line input (TRS Jack socket) +10 to –26dBu (+30dBu maximum)
Insert point (TRS Jack socket) 0dBu n21dBu maximum
Stereo input (TRS Jack sockets) 0dBu nominal (control = Off to +10dB)
Stereo input (RCA phono sockets) 0dBu nominal (control = Off to +10dB)
Telco channel input (XLR) +10 to –26dBu (+30dBu maximum)
External monitor inputs (RCA phono sockets) 0dBu Nominal
Output
PGM L & R outputs (XLR) +4dBu nominal. +25dBu maximum.
PGM Mono output (RCA phono) 0dBu nominal. +21dBu maximum.
PGM L & R inserts (TRS jack sockets) -2dBu nominal. +21dBu maximum
Aux output (Jack socket) 0dBu nominal. +21dBu maximum.
Mix B outputs (RCA phono sockets) 0dBu nominal. +21dBu maximum.
Rec outputs (RCA phono sockets) 0dBu nominal. +21dBu maximum.
Telco output (XLR) 0dBu nominal. +21dBu maximum.
CRM Speaker outputs (RCA phono sockets) 0dBu nominal. +21dBu maximum.
THD+n
Mic in to PGM L/R Out, 0dB gain 1kHz +10dBu out 0.003%
Mic in to PGM Out, 30dB gain 1kHz 0.007%
Line in to PGM L/R out 0dB gain 0dBu 1kHz 0.004%
Stereo in to PGM out 0dB gain +10dBu 1kHz 0.003%
USB Audio CODEC (Coder/Decoder)
USB Audio In/Out USB 1.1 compliant 16bit.
Sample Rate 32, 44.1, or 48kHz
Noise
Mic Pre EIN @ max gain 150R input Z 22-22kHz -127dBu
PGM out, PGM fader = 0, 22-22kHz -92dBu
Aux out, Mono out, Mix B out = 0, 22-22kHz -90dBu
Frequency Response
Mic in to PGM L/R Out, 30dB gain +0.5/-1dB 20Hz to 20kHz.
Line in to PGM L/R out 0dB gain +0.5/-1dB 10Hz to 30kHz
Stereo in to PGM L/R out +0.5/-1dB 10Hz to 30kHz
Headroom
Analogue Headroom from nominal (0Vu) Outputs 21dB
USB in & out headroom from nominal (0Vu) 14dB
Analogue Headroom from nominal (0Vu) Mix point 24dB
Crosstalk & Attenuation (dB 22-22kHz)
Mono fader attenuation (dB relative to +10dBu) 1kHz/10kHz -99/-90
Mono ON switch attenuation (dB relative to +10dBu) 1kHz/10kHz -96/-80
TELCO fader attenuation (dB relative to +10dBu) 1kHz/10kHz -99/-92
TELCO ON switch attenuation (dB relative to +10dBu) 1kHz/10kHz -102/-100
Stereo fader attenuation (dB relative to +10dBu) 1kHz/10kHz -100/-91
Stereo ON switch attenuation (dB relative to +10dBu) 1kHz/10kHz -102/-102
PGM fader attenuation (dB relative to +10dBu) 1kHz/10kHz -104/-104
TELCO clean-feed isolation from I/P (dB relative to +10dBu) 1kHz/10kHz -87/-70
Stereo separation, L in to PGM R out. dBr 1kHz/10kHz -76/-57
