Amplifier Name: A50125A
tubes 6550x8, 12AT7x2, 5687x2 parallel push-pull integrated amplifier
output 125W x 2 (stereo) 250W(mono-block)
frequency response --15Hz-40KHz+/-3dB
distortion--0.75% 0.01w/10khz
power consumption-- 330w
ac-117 volts ac / ac inlet for use with your power cord ...
input--3 rca inputs
output-- 8 ohm and 4 ohm speaker terminals

Dimension 8"H 11.2"W 21"D
weight-58lbs--shipping 69lbs