MC524 Manual Version 1.0
Page 9
©1999 Euphonix, Inc.
Technical Specifications
Performance Specifications
Main inputs
(Solo, CR 7 Mon A, B, C & D)
Description:
Electronically balanced, transformerless, differential input
Gain:
Variable from unity (0dB) to –72dB
Optimum input levels:
Designed to be fed from Euphonix MA703 DAC, set to 0dBFS
= +27dBU
Maximum input level before clipping:
+28dBU (sine wave)
Maximum input voltages:
±
16VDC,
±
25VAC (common mode),
±
50VAC (differential)
Input impedance:
10K
Ω
±
10% each leg, 20Hz – 20KHz
CMRR:
>40dB (50dB typical), 20Hz – 20KHz
Talk Back and Listen mic inputs
(T1, T2, L1 through L4)
Description:
Electronically balanced, transformerless, differential input with
automatic level optimization
Gain:
AGC circuit optimizes front end gain to produce (approx.)
+8dBU signal; this is then variable from +8 to –64dBU at the
monitor outputs
Maximum input level before clipping:
10dBU (sine wave)
Maximum input voltages:
±
50VDC,
±
2.5VAC (common mode),
±
5VAC (differential)
Phantom power:
48V available, link selectable on PCB
Frequency response:
Attenuated LF and HF response, -3dB at 200Hz and 10KHz
Monitor outputs
Description:
Electronically balanced & floating, differential output
Maximum output level:
+28dBU (sine wave)
Output impedance:
100
Ω
±
10%, balanced or unbalanced, 20Hz – 20KHz
DC offset:
Less than
±
5mV with respect to chassis GND
Full signal path
(Main input to monitor output)
Frequency response:
0/-0.4dB, 20Hz – 20KHz (ref. 1kHz)
Signal breakthrough with full cut:
<-110dB, 20Hz – 20KHz
Distortion:
<0.005%, 20Hz – 20KHz, +15dBU output level
Crosstalk:
Better than -100dB at 1kHz; better than -90dB at 20KHz
Output noise:
<-90dBU rms (unweighted), giving at least 117dB of dynamic
range at unity gain