I'd restored a high power 2M linear amplifier a couple of years ago, and wanted a dedicated power supply to drive it. I've been doing some judicious snaffling off eBay, and picked up a toroidal transformer, rectifier and capacitor bank, and 2 large heatsinks, each containing 4 2N3055’s and resistors. Also got hold of 2 large load resistors for testing purposes.
The toroid wasn't the correct voltage, but by removing a few turns at a time, it's OK now, and giving 23V output at 30 amps (warming the test leads up nicely).
I'm going to use the circuit in this article
https://warc.org.uk/?page_id=404
I decided to get around to starting it properly last night, and raided my sheet metal pile. A couple of hours later and a design started to emerge.
A couple of questions. are there any perceived pitfalls with the design presented that I need to be aware of?
Meter wise I'm thinking of the Chinese square ones available for a few pounds each off the internet, not after out and out accuracy, they are more for indication. Has anyone had good or bad experiences with them ?