Welcome to theHarbach Electronics, LLC Website SOLID-STATE CONVERSION KIT FOR THE COLLINS 516F-2 POWER SUPPLY (SS-516) In response to your requests, I have revived the SS-516 solid-state conversion kit for the Collins 516F-2 power supply. The kit has been tested and is available for purchase. The kit includes hand-built and potted solid-state replacements for the 5R4 and 5U4 tubes, a replacement for the selenium rectifier, a 200 ohm voltage dropping resistor and other associated components to upgrade the power supply. Step-by-step instructions are also be included. The price of the kit is $40, including ground shipping in the USA. 73, Jeff W8CQ |