langevin

Highlights from the 1970 AES Convention, Los Angeles, CA

above: the GRT 500 audio-tape evaluator c. 1970 Just in case you were too-young/too-hypothetical to have attended, we are pleased…

10 years ago

UPDATED: Compressor Roundup c. 1963

Today on PS dot come: a short but v v informative piece from BROADCAST ENGINEERING , July 1963, which gives…

11 years ago

Consoles of the 70s : part 2

Above: the Audiotronics Grandson II console circa 1975 Way back in October of 2010 I ran a short piece about…

11 years ago

1961: Five Things

From the 1961 Langevin Catalog, which unfortunately I cannot upload due to massive file size.  Anyone know of a reliable,…

11 years ago

More outboard gear of the early 60’s

The Pultec range of 1961: the Pultec EQP-1S program equalizer, EQH-2 program equalizer, HLF-3C high and low pass filter set,…

12 years ago

Pro Audio hardware of the early 1950s

The General Electric (GE) BA-5-A Limiter Continuing our review of the first two years of AUDIO magazine, today we will…

13 years ago

Audio Engineering Magazine Pt 4: Schematics

Today we'll look at some of the more interesting audio-circuit plans and schematics from the first two years of Audio…

13 years ago