29
PERFORMANCE SPECIFICATIONS
Microphone Inputs
Gain range
0 dB; 8 to 63 dB in 1 dB steps
Type
Classic ISA-based, electronically balanced, Z
in
= 2.4 kohms
Max. input level
+16 ±0.5 dBu; min. gain for 0 dBFS, R
s
= 150 ohms, pad out
Min. input level
-47 ±0.5 dBu; max. gain for 0 dBFS, R
s
= 150 ohms, pad out
Frequency response
20 Hz – 55 kHz ±0.1 dB (-3 dB @ 80 kHz, f
s
= 192 kHz); R
s
= 150 ohms
THD+N
<
0.0007% @ -1 dBFS; +15 dBu input, R
s
= 150 ohms, 20 Hz – 22 kHz
Noise
EIN -128 dB; 60 dB gain, R
s
= 150 ohms, 20 Hz – 22 kHz
Phantom power
48 V, independently switchable per-channel
Signal-to-noise ratio
119 dB ‘A’-weighted; R
s
= 150 ohms
Line Inputs
Gain range
-12 to 42 dB in 1 dB steps
Max. input level
+24 ±0.5 dBu; min. gain for 0 dBFS
Min. input level
-30 ±0.5 dBu; max. gain for 0 dBFS
Frequency response
20 Hz – 20 kHz ±0.1 dB
THD+N
<
0.003% @ -1 dBFS; +23 dBu input, min.gain, 20 Hz – 22 kHz
Signal-to-noise ratio
117 dB ‘A’-weighted
Instrument Inputs (Inputs 1 & 2 only)
Gain range
+14 to 68 dB in 1 dB steps
Max. input level
+17 ±0.5 dBu; min. gain for 0 dBFS
Min. input level
-37 ±0.5 dBu; max. gain for 0 dBFS, pad out
Frequency response
20 Hz – 20 kHz ±0.1 dB
THD+N
<
0.001% @ -1 dBFS; +9 dBu input, min.gain, 20 Hz – 22 kHz
Signal-to-noise ratio
112 dB ‘A’-weighted
Analogue High-Pass Filters
Selection
Independently switchable per-channel
Frequency/slope
-6 dB @ 65 ±3 Hz, 12 dB/octave
Crosstalk
Input to input
<
-80 dB (all other channels at 0 dBFS)
Digital Performance
Supported sample rates
44.1 / 48 / 88.2 / 96 / 192 kHz
Clock sources
Internal or from network master device
REDNET 4
