Marantz page, FYI:
http://us.marantz.com/689.asp?category=HiFi&model=MA6100&go.x=13&go.y=9SPECIFICATION
Power output (20 Hz ~ 20 kHz) ................... 125 W 8-ohms
Distortion .......................................
............................ 0.02 %
Frequency response (-1 dB) ....................... 10 Hz to 70 kHz
S/N ratio (A-weight) .......................................
............ 110 dB
Damping factor (1 kHz).......................................
............. 60
Power supply .......................................
...... 120 V AC, 60 Hz
Power consumption .......................................
............ 230 W
(Stand-by) 2.5 W
Dimensions
Width .......................................
..... 3-1/2 inches (88 mm)
Height .......................................
.. 5-3/4 inches (146 mm)
Depth ...................................... 18-9/16 inches (470 mm)
Weight .......................................
................. 12.6 lbs (5.7 kg)