Above: the Electrovoice 643 super-directional microphone of 1961. The 643 was apparently developed by the same engineer who created the…
From an AES journal circa 1961. It's interesting to see how the meaning of 'audio engineer' has shifted over the…
Above: 12x3 Audiofax mixing desk circa 1961. I was reading a 1961 AES journal when I came across this piece…
Good lord take a look at this thing. The Phillips EL 6911 echo machine. Distributed in the US by Norelco,…
From Radio And Television News, 2/56: a short article concerning the creation of sound effects for use in radio commercials,…
Download the complete twelve-page Tascam Series 40 catalog, c. 1984: DOWNLOAD: Tascam40series1984 Products covered, with extensive text, specs, and photos,…
The original Williamson hi-fi amplifier schematic as published in "Wireless World" magazine (UK) May 1947. The Williamson amplifier is…
Despite the hectic nature of the holiday-season, I am inevitably able to produce one piece each year as a gift…
I was checking out this bro's blog (or bros' blog? lots of chick pics) recently and I came across an…
Above: The BRDCSTR, a two-stage vacuum-tube microphone preamp inspired by classic 1940s broadcast audio preamps. Single-ended design with a 6SJ7…