Technical specifications – BSS Audio BLU Series Install Guide User Manual
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Technical Specifications
FRONT PANEL LED INDICATORS
Input/Output:
Per Input: Signal Present, CLIP, SYNC/48V, I/O card type [IN, OUT, DIG, AEC[BLU-800, BLU-
805, BLU-320, BLU-325, BLU-160, BLU-120]]
Other:
LCD Display, Conductor active, Net Link active, Data Activity
ANALOGUE INPUTS
Connectors:
Up to 16 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs:
Nominal gain 0dB, electronically switchable up to +48dB, in +6dB steps
Input impedance:
3�5kOhm
Maximum input level:
+20dBu with 0dB input gain, [+8dBu with 12dB gain]
CMRR:
>40dB at 1kHz
Equiv. Input Noise [EIN]:
<-123dBu typ� with 150 Ohms source
Phantom power:
48V nominal, selectable per input
A/D Latency [Rev. A]:
41/Fs [0�85ms@48k, 0�43ms@96k]
A/D Latency [Rev. B]:
12/Fs [0�25ms@48k, 0�13ms@96k]
DIGITAL INPUTS
Connectors:
Up to 16 AES/EBU or S/PDIF on Phoenix/Combicon removable screw connectors
Input impedance:
110 ohm [AES/EBU], 75 ohm [S/PDIF]
Sample Rate:
48kHz or 96kHz
Sample Rate conversion:
8kHz-96kHz
THD+N:
<-140dB
Latency:
3/Fso + [56�581/Fsi] + [55�658/Fso]
AEC ANALOGUE INPUTS
Connectors:
Up to 16 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs:
Nominal gain 0dB, electronically switchable up to +48dB, in +6dB steps
Input impedance:
3�5kOhm
Maximum input level:
+20dBu with 0dB input gain, +8dBu with 12dB gain
CMRR:
>75dB at 1kHz
Equiv. Input Noise [EIN]:
<-128dBu typical with 150 Ohms source
Phantom power:
48V nominal, selectable per input
Pre-AEC Input Latency:
38/Fs [0�79ms@48k]
Post-AEC Input Latency:
(Original 8k Algorithm): 2385/Fs [49�68ms@48k]
(Full Bandwidth Algorithm): 1609/Fs [33�52ms@48k]
Tail Length:
200 ms
Convergence Rate:
49 dB/s [Average convergence rate]
TELEPHONE INTERFACE, ANALOGUE INPUTS
Connectors:
2 electronically balanced on Phoenix/Combicon removable screw connectors
Mic/Line Inputs:
Nominal gain 0dB, electronically switchable up to +48dB, in +6dB steps
Input impedance:
3�5kOhm
Maximum input level:
+20dBu with 0dB input gain, +8dBu with 12dB gain, balanced, 150 ohm
CMRR:
>75dB at 100Hz, >66dB at 1kHz
Equiv. Input Noise [EIN]:
<-128dBu typical with 150 Ohms source, 20kHz, +48dB gain
Phantom power:
48V nominal, selectable per input
A/D Latency:
12/Fs [0�25ms@48k]
TELEPHONE INTERFACE
AC-REN:
0�0B
Dynamic Range:
67 dB
Frequency Response:
300 to 3�3kHz
THD:
<0�3%
Transhybrid Loss:
>48 dB with LEC enabled
LEC Tail Time:
64ms
TX Level:
-10dBm RMS average
RX Level:
+3�2dBm RMS