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FM-531HD / May 2013
A P P E N D I C E S
System Level
Headroom:
20dB
Nominal Operating Level:
-20dBFS
Analog Line Input
Type:
Electronic
Differential
Impedance: >
10Kohm
(bridging)
Optimum Source Impedance:
< 1Kohm
Digital Line Input
Type:
AES/EBU
(AES3)
or
Wheatstone
AoIP
AES Data Amplitude:
Per AES3-2003 assuming minimum
allowable
output
signal
amplitude
of
2V
and
minimum
allowable
input
signal
amplitude
of
200mV
Input Gain Adjustment Ranges
Gain
Adjustment: +12dB
to
-36dB
Gain
Adjustment
Resolution.:
0.5dB
Gain Calibration:
A gain control setting of 0.0 aligns an external
0dBFS signal with the FM-531HD’s 0dBFS
internal reference
Input Failover
Type:
Automatic
Analog Fail Cause:
Audio level below -48dBFS (fixed)
Response Time:
30 seconds (fixed)
Digital Fail Cause 1:
Audio level below -48dBFS (fixed)
Response Time:
30 seconds (fixed)
Digital Fail Cause 2:
Corrupted or invalid AES data
Response Time:
Immediate (fixed)
Audio Level Balance
Type:
Common
to
Analog
or
Digital
inputs
Analog/Digital L/R Balance Range:
+/-12dB
Control
Resolution:
0.5dB
General Specifications
Summary of Contents for FM-531 HD
Page 2: ...Technical Manual Wheatstone Corporation May 2013 FM HD Digital Audio Processor FM 531hd...
Page 122: ...page A 2 FM 531HD May 2013 A P P E N D I C E S Appendix A General Specifications A 3 Contents...
Page 128: ...page A 8 FM 531HD May 2013 A P P E N D I C E S Appendix B FM 531HD GPI Interface A 9 Contents...
