Technical

DIY Remote Broadcast Mic Preamp c. 1950

Download a four-page piece from RADIO ELECTRONICS, March 1950, on the subject of Build Your Own Two-Channel Remote Amp.  Author…

12 years ago

Audio Mixing Console Circa 1949

Download a three-page article from RADIO ELECTRONICS, Feb 1949, on the subject of Build Your Own Audio Control Console.  Author…

12 years ago

1951: The Thyratone, a DIY Vacuum-Tube Monophonic Keyboard Synth

Download a ten-page pair of articles from RADIO ELECTRONICS, 1951, on the subject of building your own keyboard synth.  Author…

12 years ago

Prepare For A Journey Thru Time And Space (*special soldering-iron edition)

How are y'all doin.  Sorry I've been away for so long; it's been real busy 'round here, and like my…

12 years ago

‘The guy told me that it has a bad power transformer, and he’s some kind of genius’

Of all the non-PCB tube amps that Fender ever made, the one most likely to rot away unloved in some…

12 years ago

RCA BC-2B Recording Studio Console c. 1952

Reader T.F. sent me this scan from AUDIO ENGINEERING c. 1952: the introduction of the RCA BC-2B Console. LEFT: The…

12 years ago

This Was A Home For Animals

Above: the result of five-hours work on a dead, dead, dead Univox 50-watt tube bass head.  This model was originally…

12 years ago

Supro Supreme Gtr Amp Overhaul

A customer (J) sent me this wonderfully-preserved Supro amplifier to overhaul.  It is a Supreme Model from circa 1950.  Long-time…

12 years ago

Add Vibrato (?) To Any Tube Amp! (1962)

Download a short article from 1962 by one F.H. Calvert on the subject of adding a vibrato circuit to any…

12 years ago

Swiss Mix

I've always coveted these little Nagra BMII audio mixers and but I somehow resisted the urge to purchase one on…

12 years ago