Peavey XR 560 Operating Manual page 10

Hum and Noise:
Output Residual Noise
Ref: OdBu
S/N Ratio
Ref: 2dBu
Test Conditions
Main -lOOdBu 102dB All controls down
-90dBu
92dB One channel nominal
Master level nominal
Monitor -96dBu 98dB
All controls down
-90dBu
92dB One channel send nominal,
Monitor master nominal
(Hum and Noise Measurements: 22Hz to 22KHz BW)
Norn output: 2dBu= 0dBV=1 V
S/N ratio
>85dB below rated output (150WRMS) Mic to Speaker output
>90dB below rated output (150WRMS) Line to Speaker output
Equivilent Input Noise (EIN):
-115.5 dBu (Input terminated with 150 Ohms)
Common Mode Rejection Ratio (Mic Input):
65dB min (20Hz - 20KHz)
85dB typ @ 1 KHz
Power Amp Specifications: 150M Module with DDT
Power and Load:
90W RMS into 8 ohms
150W RMS into 4 ohms
2 ohms not recommended
Frequency Response:
20HZ-20KHZ +0dB/-1dB
Total Harmonic Distortion (THD):
<0.03% at rated output @ 1 KHz
Power Requirements:
DOM: 120VAC60HZ 250 Watts Max
EXP: 220-230VAC/240VAC 50/60Hz 250 Watts Max