Heathkit W-5M Power Amplifier 

Power output:			25 Watts
Maximum average power:		32.5 watts
Peak Power:			47.2 watts
Frequency Response:		+/-1db for 5 to 160,000 cps at 1 watt
Harmonic Distortion:		1% at 25 watts
Intermodulation Distortion:	1% at 20 watts (60 and 3,000 cps)
Hum and Noise:			80.2 dB below 250 milliwatts, unweighted
				99 dB below 25 watts unweighted
Damping Factor:			40:1
Feedback Factor:		18.1 dB of feedback is applied around entire amplifier and output transformer
Input voltage for 5 watts output:	1 volt
Output Impedances:		4, 8 or 16 ohms, unbalanced
Tube Complement:		2 - 12AU7
				2 - KT66
				1 - 5R4GT
Small Output Transformer:	Peerless 16309
Output Transformer:		Peerless Special Design 16458
Choke:				7H 150 mA, Heath p/n 46-12
Power Requirement:		105-125 volts, 50/60 cycles, 140 watts
Dimensions:			13 1/8" wide x 8 1/2" deep x 8 1/4" high
Shipping Wt:			31 lbs