Grass Valley Audio Bridge Terminal 2014 - Manual (Page 27)

17
Audio Bridge Terminal
Guide to Installation and Operation
Specifications
Note: If the upgrade failed, click Disconnect, restart the ABT unit, and then
follow the upgrade procedure again.
Analog audio inputs
Signal 20 k balanced, 10 k unbalanced
Maximum level +24 dBu
Connectors WECO
Digital audio inputs
AES3
Level 0.2 to 7 V
Termination 110 balanced
Quantization Up to 24 bits
Connectors WECO
AES-3ID
Level 0.2 to 2 V
Return loss 15 dB
Quantization Up to 24 bits
Termination 75 unbalanced
Connectors BNC
Processing performance
Number of channels ABT-128D: 128 (64 AES)
ABT-128A: 128
ABT-64D: 64 (32 AES)
ABT-64A: 64
Quantization 24 bits
Sampling 48 kHz
SNR 100 dB A Weighted
THD+n ABT-128A: < -86.5 dB (20 to 997 Hz), < -82 dB (7 kHz)
ABT-128D: -138 dB (20 Hz to 24 kHz)
0 DBFS +24 dBu, adjustable to -7 dBu with 1 dB steps
Frequency response 20 Hz to 24 kHz ±0.2 dB
Ω Ω
Ω
Ω