This is one rare giant amp from V12 family with very warm and clean sound. Far way under rated amp however the actual tested figures on different forums tells the story like this ....
Actual Tested RMS Continuous Power (at 12.0V, 20 Hz to 20 kHz)
4 ohms stereo - 167W x2 - 0.08% THD
2 ohms stereo - 334W x2 - 0.3% THD
4 ohms bridged - 668W x1 - 0.3% THD
Actual Tested RMS Continuous Power (at 14.4V, 20 Hz to 20 kHz)
4 ohms stereo - 250.5W x2 - 0.08% THD
2 ohms stereo - 501W x2 - 0.3% THD
4 ohms bridged - 1002W x1 - 0.3% THD
More Details ;
Frequency Response - 8 Hz to 60 kHz - (+0, -1 dB)
Signal-to-Noise Ratio - 105 dBA - (referenced to rated power)
Slew factor - Greater than 5
Input Sensitivity (for rated power ouput) - 200mV to 4.0V (1.0V a center detent)
Input Impedance - 10k ohms
Speaker Impedance - 4 or 2 ohms (Stereo), 4 ohms (Bridged)
Active Dividing Network Frequency and Slope - 50 to 200 Hz, 12 dB per octave
Power Requirement - 11 - 16VDC Negative Ground
AND THEY LIVED HAPPILY EVER AFTER