This is a complete build of a D&A Maverick HF amplifier. This started as a carcass I received from a friend as a parts unit to perhaps use the cabinet in a new build. There were many parts missing or bad, so I gutted it to its bare chassis. I removed everything...tube sockets, terminal strips, chassis solder spots...sanded, primed, and repainted all but the face. The face still had the original hammer tone paint with a few character makes it had earned over the last 50 years, allowing me to retain some of it's original heritage.
I tested the transformers and reinstalled them in the proper orientation (D&A never installed them at right angles to each other to minimize interaction / coupling), installed new tube sockets, terminal strips, components,etc. The process included many upgrades like a low voltage whisper fan, changed the tube complement to 2ea 6P45C tubes driving 4ea 6P45C tubes, 3a 1000v piv hv rectifiers, negative grid 1 bias, LV switching relays, a solid state rf sampler and keying circuit, much improved HV filter cap bank, improved high current plate and cathode chokes, new properly wound driver and final tank coils, 3 wire safety power cord, added an external ac line fuse holder, etc. It's basically a new and improved version of this vintage 50 year old amplifier.
Here's a couple of videos and some photos...
