All tests un-weighted and 500kHz measurement bandwidth (except SNR).

Frequency response

1 Hz – 100 kHz, -3dB

Output power

300W rms into 8Ω (24.8 dBW)
600W rms into 4Ω (24.8 dBW)

Harmonic Distortion

<0.002% at 1 kHz balanced
<0.004% at 1 kHz single ended

Peak Output Voltage

150V peak to peak, 53V rms no load
136V peak to peak, 48V rms into 8Ω

Input Impedance

50kΩ balanced / single ended

Voltage gain

29dB balanced / single ended

Input level at clipping

1.88V rms balanced / single ended

Intermodulation
Distortion

>90dB below fundamental into 
8Ω balanced / single ended

>90dB below fundamental into 
4Ω balanced / single ended

Signal to Noise Ratio

-116dB at peak output into 8Ω
Measurement Bandwidth: 22 kHz

Output impedance

0.015Ω @ 1 kHz

Standby power
consumption

< 1W

Rated power
consumption

420W @ 1/8th power into 8Ω

Width

17.5” (444mm)

Depth

17.52” (445mm) (excluding connectors)

Height

8.78” (223mm)

Gross weight

87 lb (39.5 kg)

Net weight

75 lb (34.0 kg)

Mains voltage

Specified on rear panel