MC INTOSH MC 225 vintage stereo integrated tube power amplifier. 1 chasis two channel 25 watts power amplifiers Frequency 18 Hz to 30 KHz Harmonic distortion 0.5% Input sensitivity 0.5 V Signal to noise ratio 90dB Dimmensions 14-1/2 x 9-1/8 x 7 inches Weight 34 lbs Finish chrome and black