AudioPressBox APB-448 SB Owner's Manual - Page 10
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Specifications
Audio Press Box APB-448SB
Type
4 in 48
Groups
2
Inputs
4
Input connectors
Balanced, XLR
Input Gain
MIC
+22/+62 dB
Max. input level
Limiter ON
MIC: -10/-30dBu
LINE: +36/-4dBu
Phantom Voltage
48V
Input Impedance
MIC: 2,4 kOhm
Outputs
48 MIC/LINE:
24x Output A (transformer isolated, balanced, XLR connector)
24x Output B (transformer isolated, balanced, XLR connector)
Extender:
2x Bus A (balanced, XLR connector)
2x Bus B (balanced, XLR connector)
Nominal Output Level
+6dBu
Maximum Output Level
+20dBu (no load)
+14dBu (600kOhm)
Output impedance
MIC: 220 Ohm
SNR
86dB
Frequency Response
20/160Hz (filter) to 30kHz/-1dB
10
Input section
LINE
-4/+36 dB
Limiter OFF
MIC: -2/-42dBu
LINE: +24/-16dBu
LINE: 3,5 kOhm
Output section
LINE: 600 Ohm