7
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-806 (DA), BLU-320, BLU-326 (DA), 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]
A/D BIT DEPTH:
24-bit
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