MGP-1: General Purpose Power Supply Input: 100-250 VAC 40-60cps (4 tappings) Output DC: 3 separately smoothed outputs: HT1 250-300 volts up to a max. of 90ma. HT2 170-220 volts up to a max. of 30ma. (Fully smoothed) HT3 150-200 volts up to a max. of 10ma. (Fully smoothed) Output AC: 6.3 volts at 2.5a Fuses: Single 2.5 amp fuse in line of primary. Single 250 ma fuse in HT secondary centre tap. Rectifier: EZ81 Outlets: Two octal sockets (mating octal plugs supplied with kit). Hum Balance: 100 ohm potentiometer across 6.3 volt supply. Overall Dimensions: 5 1/2" high x 9" long x 4" wide Finish: Silver gray stove enamel with black printing. Weight: 6 3/4lbs (net), 7 3/4lbs (shipping)