Used | Soundcraft - SM20 (incl. flightcase & PSU)

The SM20 is a dedicated stage monitor console, designed to take account of the trend towards the use of in-ear monitoring systems, and draws on elements from the respected range of Soundcraft SM consoles.

Including:

• Flightcase
• 2 x Soundcraft - CPS 800 Power supply

Frequency Response

• Any Input to any output 20Hz - 20kHz, +0/-0.5dB 

Total Harmonic Distortion

• All measurements at 20dBu 
• Line In to Group or Mix Out Less than 0.005% @1kHz Less than 0.025% @10kHz 

Noise

• 22Hz - 22kHz bandwidth, unweighted 
• Mic input Equivalent Input Noise Less than -127.5dBu (200Ω source) 
• Group Output Noise Less than -80dBu (40 ch routed) 
• Mix Output Noise Less than -80dBu (40 ch routed) 

Crosstalk

• All measurements at 1kHz 
• Input Channel Muting Greater than 100dB 
• Input Channel Send Pot Isolation Greater than 75dB 
• Group Fader Isolation Greater than 95dB 
• Group to Group Crosstalk Less than -75dB 
• Group to Mix Crosstalk Less than -75dB 
• Mix to Group Crosstalk Less than -75dB 

Input and Output Impedances

• Input 2kΩ balanced 
• All Insert Sends Less than 75Ω balanced 
• All Insert Returns Greater than 10kΩ balanced
• Outputs Less than 75Ω balanced 

Input/Output Capability

• Maximum Input Level +30dBu 
• Input Insert Sends +20dBu into 2kΩ (Bal. +26dBu into 1kΩ) 
• Output Insert Sends +26dBu into 1kΩ 
• All Insert Returns +26dBu 
• All Balanced Outputs +26dBu into 1kΩ 
• Headphone Output +20dBu into 600Ω +350mW into 8Ω 

Input and Output Levels

• Input Sensitivity (XLR) -2dBu to -70dBu, +10dBu to -20dBu 
• Input Insert Send/Return -2dBu nominal 
• Output Insert Send/Return +4dBu nominal 
• Outputs +4dBu for 0VU 
• PFL/AFL -2dBu nominal 
• Oscillator +4dBu nominal