Midas HERITAGE 4000, Operator'S Manual

Page: 75 / 78

Technical Specification Technical Specification
Operators Manual
- Page 70
Input impedance
Input Gain
Maximum Input Level
CMR @ 100Hz
CMR @ 1kHz
Frequency Response
Noise
System Noise
Distortion @ 1kHz
Crosstalk @ 1kHz
Output Impedance
Maximum Output Level
Nominal Signal Level
Mic 2k ohms Balanced
Line 20k ohms Balanced
Mic Continuously v15 to +60 dB
Mic + Pad Continuously variable-10 to +35 dB
Line Level Inputs 0dB
Mic +6dBu
Mic + Pad +31dBu
Line Level Inputs +21dBu
Mic (gain +40dB) Typ. 115dB
Mic + Pad (gain 0dB) Typ. 80dB
Mic (gain +40dB) > 100dB
Mic + Pad (gain 0dB) > 60dB
Line > 50dB
(20Hz - 20kHz) Mic to Mix (gain +60dB) +0dB to -1dB
(20Hz - 20kHz) Mic EIN ref. 150 ohm (gain +60dB) -128dBu
(20Hz - 20kHz) Summing Noise
(48 Channels routed with faders down)
-80dB
Line to Mix Noise
(48 channels routed at 0dB, pan centre)
-75dB
Mic to Mix (gain +60dB, 0dBu ouput) < 0.03%
Channel to Channel < -90dB
Mix to Mix < -90dB
Channel to Mix < -90dB
Maximum Fader Attenuation > 80dB
All Line Outputs 50 ohms Balanced source to
drive > 600 ohms
Headphones To Drive > 8 ohm load
All Line Outputs +21dBu
Headphones +21dBu
Mic -60dBu to +10dBu
Line 0dBu
Headphones +10dBu