Power Supply DIY Kit For Antique Radios, Amplifiers, Etc Power supply kit for multiple power supplies Kit includes transformer, rectifiers, capacitors, resistors, transistors, I.C. regulator, white pine board and all necessary hardware . Easy to follow instructions for assembly. 3.0 lbs. Input: 120V, 60 Hz "A" Output - Adjustable and regulated 1.5 to 7.5 volts, 1.5 Amps "B" Output - 22, 45, 67, 90, and 135 volts regulated up to 50mA "C" Output - Adjustable, 0 to 22 volts. Regulated.