PM-800 Replacement Power Supply Module for the Amp Supply LK-450/500/550/800 The PM-800 is a complete replacement power supply module for the Amp Supply Company LK-series of amplifiers (LK-450, LK-500, LK-550 and LK-800). It is designed around and features new modern 220uF 450VDC electrolytic capcitors, 1000 PIV 3A diodes, new 100K 3W bleeder resistors.  The unit installs easily in the original location in the chassis.  The unit also features an enlarged coutout area for easier fit around the transformer.       Our Price $100.00 - Shipped in the USA - International shipping cost to be added.