Specifications, Operating levels, Frequency response – Allen&Heath ZED-436 User Manual
Page 12: Thd+n, Headroom, Usb audio codec (coder/decoder), Noise
Allen & Heath 12 ZED-4 BUS User Guide
SPECIFICATIONS
Operating Levels
Inputs
Mono channel (XLR) Input
+6 to –63dBu for nominal (+17dBu in max)
Mono channel Line Input (Jack socket)
+10 to –26dBu (+30dBu maximum)
Insert point (TRS Jack socket)
0dBu nominal +21dBu maximum
Stereo Input (Jack sockets)
0dBu nominal (control = Off to +10dB)
Stereo input (phono sockets)
0dBu nominal (control = Off to +10dB)
2 Track Input (phono sockets)
0dBu nominal +21dBu maximum
Outputs
L, R & Mono Outputs (XLR)
+4dBu nominal. +27dBu maximum.
L, R & M Insert (TRS Jack socket)
-2dBu nominal +21dBu maximum
Group Outputs (Jack sockets)
+4dBu nominal. +27dBu maximum.
Group Insert (TRS Jack socket)
-2dBu nominal +21dBu maximum
Aux Outputs (Jack sockets)
-2dBu nominal +21dBu maximum (Bal Option +4)
Matrix Outputs (TRS Jack socket)
-2dBu nominal. +21dBu maximum. (Bal Option +4)
2 Track Output (phono sockets)
0dBu nominal. +21dBu maximum.
Direct Out (TRS Jack socket)
0dBu nominal. +21dBu maximum.
Frequency Response
Mic in to Mix L/R Out, 30dB gain
+0.5/-1dB 20Hz to 20kHz.
Line in to Mix L/R out 0dB gain
+0.5/-1dB 10Hz to 30kHz
Stereo in to Mix L/R out
+0.5/-1dB 10Hz to 30kHz
THD+n
Mic in to Mix L/R Out, 0dB gain 1kHz +10dBu out
0.004%
Mic in to Mix L/R Out, 30dB gain 1kHz
0.014%
Line in to Mix L/R out 0dB gain 0dBu 1kHz
0.005%
Stereo in to Mix L/R out 0dB gain +10dBu 1kHz
0.003%
Headroom
Analogue Headroom from nominal (0Vu)
21dB
USB in & out headroom from nominal (0Vu)
14dB
USB Audio CODEC (Coder/Decoder)
USB Audio In/Out
USB 1.1 compliant 16bit.
Sample Rate
32, 44.1, or 48kHz
Noise
Mix Noise, LR out, 16 channels routed, Ref +4dBu, 22-22kHz
-90dB (-86dBu)
Mix Noise, LR out, 24 channels routed, Ref +4dBu, 22-22kHz
-89dB (-85dBu)
Mix Noise, LR out, 32 channels routed, Ref +4dBu, 22-22kHz
-88dB (-84dBu)
Mic Pre EIN @ max gain 150R input Z 22-22kHz
-127dBu