Single-tube audio oscillator c. 1946

12 years ago

Download a four-page article from RADIO NEWS, November 1946, containing data and plans for constructing a surprisingly simple tube audio…

Transformer-As-Signal-Processor: Another Custom Build

12 years ago

Recently shipped this bespoke four-channel unit to customer P.G.  PG sent me a pair of UTC A20s and a pair…

Phono Equalizer Design Circa 1950

12 years ago

Download a two-page article from RADIO ELECTRONICS, April 1950, on the subject of Phono-EQ design: DOWNLOAD:PhonoEQdesign1950 These are not phono…

There is still more work to be done

12 years ago

As I was packing my belongings for a new, quieter life in the Eastern Atlantic, I came across this curiosity. …

That’s it. I’m done.

12 years ago

There is no reason to go on.  I have found it. The all-time, ultimate, absolute pinnacle of guitar adverts. Clearly,…

Fascinating Collection of Television Station IDs circa 1951

12 years ago

Today on P S Dot Com: a fairly comprehensive survey of television station ID graphics circa 1951.  Widespread full-time telecasting…

UPDATED: Emory Cook, Binaural Recording Pioneer

12 years ago

Emory Cook records Long Island Sound at Shippen Point, Stamford CT (with two mics, of course): 1954.  He is using…

Marantz 7 Phono Pre/ Passive Line Preamp

12 years ago

Above: a  Marantz 7 stereo phono stage built for stand-alone use.  See this link for an earlier build of this…

eBay Alert: Lot of very rare Capps Condensor mics plus Altec ‘lipstick’ pair ending soon

12 years ago

Ending very shortly on eBay: a pair of 1950s Capps Condensor mics PLUS a pair of Altec Lipsticks (no power…

Excellent Article on Larry Scully and the Variable-Pitch Lathe c. 1956

12 years ago

Download a six-page article from HIGH FIDELITY 1956 concerning the history of the Scully corporation of Bridgeport Connecticut, including an…