Mullard 520 Power Amplifier c.1956

13 years ago

Download a four-page article from "Radio & Television News" 4/1956 regarding the Mullard 520 power amp: DOWNLOAD: Mullard_520_amp American industrial…

Unusual Techniques In Sound Recording (1950)

13 years ago

Download a four-page article from 'Radio Electronics' magazine 5/1950 entitled "Unusual Techniques In Sound Recording" (Richard H. Dorf): DOWNLOAD: Unusual_Techniques_Sound_Recording_Dorf_1950…

1957: A Few Bits From The End Of The Mono Age

13 years ago

From some 1957 issues of "Radio and TV News," an electronic-serviceman's publication, comes this collection of American Hif-Fi home audio…

Broadcast Microphones of the early 1920s

13 years ago

Download a four-page article from the Summer 1987 issue of "The Antique Radio Gazette" which details the development of early…

Bob Paquette’s Microphone Museum

13 years ago

From the Summer 1981 issue of "The Antique Radio Gazette" (TARG):  an early shout-out to Robert Paquette, microphone collector extraordinaire. …

RCA PA systems of the 1950s

13 years ago

RCA PA system heads of the 50s/60s are one of the best values in antique tube equipment.  I've bought a…

UDPATED (4): Presto Recording Corp: Pioneers of ‘Instant’ Analog Disc Recording

13 years ago

Download the fifty-page 1940 PRESTO RECORDING CORP catalog: DOWNLOAD (part 1): Presto_1940_Cat_1 DOWNLOAD (part 2):Presto_1940_cat_2 Products covered, with text, some…

Marantz 7 RIAA Phonograph Preamp

13 years ago

For my non-technical readers: a phono preamp is a device which does two basic things:  1) it equalizes the program…