Appendix B
Specifications
Analog Audio Inputs
One Single-ended (RCA) jack per channel; One Balanced (XLR) jack per channel
Input Impedance
47 kΩ. Balanced for each phase
Input Sensitivity
2.82V RMS input for 300W into 8 ohms
Gain
27.8 dB
Polarity
(Single-Ended) Non-Inverting
Balanced; Pin-2 = Positive, Pin-3 = Negative for Non-Inverting Output
Speaker Outputs
Binding posts; 1 pair per channel
Modes /Process
Standby: Amplifier is ready to be turned on via front panel switch or remote trigger.
Overcurrent, D.C., and/or thermal protection: Amplifier will cycle.
Catastrophic D.C. or output stage failure: Amplifier will shut down.
Power Output—Watts RMS
Per Channel, All Channels Driven
8 ohms 4 ohms
20 Hz-20 kHz, < 0.01% THD
200 W
300 W
1 kHz, 0.01% THD, (Watts)
230 W
350 W
1 kHz, 1% THD
250 W
375 W
CEA 2006 1 kHz Burst Power
300 W
450 W
Power Output (Balanced Bridge Models)
Per Channel, All Channels Driven
8 ohms 4 ohms
20 Hz-20 kHz, < 0.01% THD
300 W
450 W
1 kHz, 0.01% THD, (Watts)
345 W
525 W
1 kHz, 1% THD
375 W
560 W
CEA 2006 1 kHz Burst Power
450 W
675 W
Distortion
THD + N, 20 Hz—20 kHz
0.05%
0.05%
THD + N at 1 kHz, 1W
0.005%
0.005%
Intermodulation Distortion
(SMPTE or Twin-tone)
Less than 0.03%
Frequency Response
+0, -.5 dB, 5 Hz to 20 kHz, load independent
Damping factor
>5000 at 100 Hz; >1500 at any frequency up to 20 kHz
Signal to noise ratio
120 dB referenced to rated output (A-Weighted)
Slew rate
>60V per microsecond
Crosstalk
> 110 dB
Power Requirements
117V AC; 230V; 50/60 Hz
Power Consumption
Less than 1W x 2 at Standby; 1800W maximum
Trigger Input
3-24 VDC; Steady State
Dimensions (W x H x D)
2, 3 and 4 Channel Models
17” x 5 11/16” x 10 5/8” (432 mm x 145 mm x 270 mm)
5, 6, 7, 8 Channel and Bridged
17” x 5 7/8” x 15 1/2” (432 mm x 150 mm x 394 mm)
Add 1 inch (25mm) for connectors.
Weight
Model dependent: 39 to 83 lbs; 17.8 to 37.7 kg
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