4000 Digital Series II Issue 2.1 Technical Manual
STA0381 Page 101
5 Specifications
Frame Size
9RU - 4920: 482mm (19 inches) wide
400mm (9RU) high
500mm (20 inches) deep
4U - 4420: 482mm (19 inches) wide
168mm (4RU) high
485mm (19.5 inches) deep
Weight: 20 to 25kg
Power Requirements: 90V to 250V, 50/60Hz, 300W max
Frequency Response: 30Hz - 17kHz ±3dB
Crosstalk (adjacent channel) <-60dBu
Nominal Level 0dBu
Matrix headroom +16dBu
Distortion < 0.1% @ +16dBu, 300Hz - 10kHz;
< 0.5% @ +16dBu, 100Hz - 10kHz
Off Noise <-80dBu, 20Hz - 22kHz, typically
On Noise <-62dBu, 20Hz - 22kHz, typically
Analogue Inputs: 25 way D-type
Balanced, line level,
Transformer isolated
Input Impedance 10kΩ
Input Balance <-60dBu
Input Level (max) Input gain set @ -
6dBu
+22dBu
Analogue Outputs: 25 way D-Type,
Balanced, line level,
Transformer isolated
Output Impedance 120Ω