SoundCraft DC 2020, User Manual

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Specifications
Frequency Response
Any input to any output 20Hz - 20kHz +0/-0.5dB
Total Harmonic Distortion
(All Measurements at +20dBu)
Line In to Tape Send Less than 0.002% @ 1kHz
Line In to Mix Out Less than 0.02% @ 1kHz
Tape Return to Mix Out Less than 0.02% @ 1kHz
Noise
(22Hz - 22kHz bandwidth, unweighted)
Mic Input EIN Less than -127dBu
(200 ohm source)
Tape Send noise Less than -85dBu
Group Output Noise Less than -80dBu (32 ch routed)
Mix Output Noise Less than -75dBu (32 ch routed)
CMRR
Mic Input (maximum gain) Greater than 90dB
Line Input (unity gain) Greater than 55dB
Crosstalk
(All measurements at 1kHz)
Input Channel Muting Greater than 95dB
Input Channel Fader isolation Greater than 70dB
Mix Routing isolation Greater than 90dB
Group Routing isolation Greater than 90db
Group to Group crosstalk less than -75dB
Group to Mix crosstalk Less than -80dB
Input and Output Impedances
Mic Input 2k ohms balanced
Line Input Greater than 10k ohms balanced
Insert Send Less than 75ohms, gnd comp.
Insert Return Greater than 10k ohms unbalanced
Tape Send Less than 75ohms, gnd comp.
Tape Return (+4dBu) Greater than 20k ohms balanced)
(-10dBv) Greater than 10k ohms balanced)
Mix/Control Room Outputs Less than 75ohms, gnd comp.
Video Sync 75 0hms
5.2 DC2020 Specifications