above: the GRT 500 audio-tape evaluator c. 1970 Just in case you were too-young/too-hypothetical to have attended, we are pleased…
Today on PS dot come: a short but v v informative piece from BROADCAST ENGINEERING , July 1963, which gives…
Above: the Audiotronics Grandson II console circa 1975 Way back in October of 2010 I ran a short piece about…
From the 1961 Langevin Catalog, which unfortunately I cannot upload due to massive file size. Anyone know of a reliable,…
The Pultec range of 1961: the Pultec EQP-1S program equalizer, EQH-2 program equalizer, HLF-3C high and low pass filter set,…
The General Electric (GE) BA-5-A Limiter Continuing our review of the first two years of AUDIO magazine, today we will…
Today we'll look at some of the more interesting audio-circuit plans and schematics from the first two years of Audio…