Drake L-4PS Power Supply Rebuilt With New Harbach Board Installed Very Nice

  

Drake L-4PS Power Supply Rebuilt With New Harbach Board Installed All eight electro capacitors replaced, all diode, and all bleeder resistors, see photos of all boards that were removed from the unit. This is fully tested on a L-4B Amplifier. The Drake L-4PS is a heavy-duty remote high-voltage power supply built by R. Drake Company from 1965 through the late 1970s to power the L-4 and L-4B linear amplifiers. Compatibility: Designed specifically for the Drake L-4, L-4B, and compatible with L-7 amplifier setups. Power Input: Switchable for 110V/120V or 220V/240V AC line inputs.