Revision C • 10/07
HARRIS CORPORATION
1-6
1 General Information
Specifications
Specifications are for the basic signal paths, per
channel, with 600 ohm loads connected to the ana-
log program outputs in a fully loaded RMX
digital
28-input slot mainframe.
0 dBu equals 0.775 volts RMS regardless of cir-
cuit impedance, which equals 0 dBm into a 600
ohm circuit. Noise specs based on 22 kHz mea-
surement bandwidth. A 30 kHz bandwidth mea-
surement increases noise by about 1.7 dB.
Total Harmonic Distortion (THD+N) is mea-
sured at a +18 dBu output, using a swept signal
and a 22 kHz low pass filter.
FSD = Full Scale Digital, +24 dBu
Analog Line Inputs
Input Impedance: >60 k ohms, balanced
Input Level Range: -10 dBv to +4 dBu (soft trim)
Input Headroom: 20 dB above nominal input
Analog Outputs
Output Source Impedance: <3 ohms balanced
Output Load Impedance: 600 ohms minimum
Nominal Output Level: +4 dBu
Maximum Output Level: +24 dBu
Digital Inputs and Outputs
Reference Level: +4 dBu (-20 dB FSD)
Signal Format: AES-3, S/PDIF (input only)
AES-3 Input & Output Compliance:
24-bit sample rate
conversion
Digital Reference:
Crystal (internal) or VistaMax
slave (external) at 48 kHz ±100 ppm
Internal Sample Rate:
48 kHz
Output Sample Rate: 48 kHz (PGM 1, PGM 2 or
Send can be set for 44.1 kHz)
Processing Resolution:
24-bit fixed with extended
precision accumulators
Conversions:
A/D 24-bit, Delta-Sigma, 128x over-
sampling on all digital inputs; D/A 24-bit, Delta-
Sigma, 128x oversampling
Latency:
<1.6 ms, input to monitor out
The RMX
d
8-HL has a built-in 48-volt supply. All
are supplied with a 110 VAC IEC input cord.
Two keyed 48-volt power cables are supplied
with the console mainframe Installation Kit so that
a second PRE99-1205 supply (optional) can eas-
ily be added for redundant supply operation. The
mainframe and the RMX
d
8-HL include an inte-
gral power coupler so a second redundant supply
can be connected.
The power supply (and the RMX
d
8-HL) has a
recessed front panel On/Off switch along with a
green LED that indicates the +48 volt output is
good.
The power supply is designed for continuous
24/7 operation and is fully regulated and protected
against excessive current by internal fuses and elec-
tronic safeguards.
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