provided by Redhed from the Hififorum

Rated power measured according to DIN 45500 up to 1% distortion factor in 13,5V

AMA Stereo 50 MKII plus plus

1 × 86 watts, channel 1 at 4 Ohm
2 × 68 watts, channel 1 + 2 at 4 Ohm

136 watts total power

Rated power measured according to DIN 45500 up to 1% distortion factor in 13,5V

AMA Stereo 50 MKII Plus Plus

1 × 87 watts, channel 1 at 4 Ohm
2 × 71 watts, channel 1 + 2 at 4 Ohm
Current consumption 16,5A
efficiency 63,4%

142 watts total power