User Guide

XL4 Technical Specification.
Input Impedance Mic 2K Balanced
Line 20K Balanced
Input Gain Mic Continuously variable from
( all faders at 0dB ) + 15dB to + 70dB
Mic + Pad Continuously variable from
- 5dB to + 50dB
Channel Continuously variable from
Line Input - 20dB to + 20dB
All other Line Inputs 0dB
Maximum Input Level Mic + 6dBu
Mic + Pad + 26dBu
Channel Line inputs + 26dBu
All other Line Inputs + 21dBu
CMR at 1KHz Mic ( gain + 60dB ) > 70dB
Mic + Pad
( gain + 40dB ) > 50dB
Line > 60dB
Frequency Response
( 20 to 20KHz ) Mic to Mix
( gain + 60dB ) + 0dB to - 1dB
Line to Mix + 0dB to - 1dB
Noise ( 20 to 20KHz ) Mic EIN ref. 150 Ohms
( gain + 60dB ) - 129dBu
Line EIN ref. 150 Ohms
( gain + 10dB ) - 100dBu
System Noise Summing Noise
( 20 to 20KHz ) ( 12 channels routed
with faders down ) - 86dB
Line to Mix Noise
( 12 channels routed
at 0dB, pan centre ) - 81dB
Summing Noise ( 48 channels routed
with faders down ) - 80dB
Line to Mix Noise
( 48 channels routed
at 0dB, pan centre ) - 75dB