Magnecord Tape Machines used for early stereo experimentation

13 years ago

Above: an unpublished photo from the collection of David Hall, courtesy T. Fine. T. Fine: "Bert Whyte was an early…

What is Psychoacoustics? (1961)

13 years ago

************ ******* *** Do certain acoustic phenomena create universal psychological effects? Does rhythm hold primacy in the hierarchy of musical…

The Scully 601 Vinyl Mastering Lathe circa 1960

13 years ago

Above: beautiful line-drawn rendition of a Scully 601 lathe.  Made right here in blighted Bridgeport CT.  Ahh Bridgeport what happened? …

Neumann AM32B Lathe: 1961

13 years ago

Although Scully seems to have dominated the US lathe market in the 1950s and 1960s, every time I have personally…

Interesting Passive EQ circa 1961

13 years ago

Above, a 'distortionless' equalizer circuit circa 1961 as designed by one Carlos Moura.  Separate bass and treble boost functions (2…

1957: Golden Age of Hi Fi (ladies-of), take two

13 years ago

Download a two-page scan of Radio & Television News, August 1957, featuring screen-star Martha Hyer and her DIY audio-hobby. DOWNLOAD:…

Webster-Chicago: Because Shouting Is Outmoded (1939)

13 years ago

Download the 24pp 1939 Webster-Chicago Sound Systems catalog (in two parts due to size) DOWNLOAD PART 1: WebsterChic_1939_1 DOWNLOAD PART…

Vacuum-Tube Output Stage for Shure Level Loc

13 years ago

Many of my regular readers will be familiar with the Shure Level-Loc.  For those unfamiliar, the basics:  the Level-Loc is…

(Very) Early Electronic Instruments

13 years ago

When you think of 'early electronic instruments,' what period comes to mind?  European tape music of the 1950s?  Academic electronic…

Communication

13 years ago

Today: some excerpts from a piece by C.W. Vadersen as published in the AES journal.  It's a good thing to…