The Altec 639, 633, 670A, 660, 671A, 632C, M-20, and M-11 microphones From the pages of AUDIO magazine in 1954/55:…
From the personal archive of John Boyers, founding partner of Magnecord INC, we present the complete circa 1953 Magnecord INC…
AKG D36 advert from 1954 Continuing our survey of AUDIO magazine's early years: over the next couple of weeks we…
Download the complete sixteen-page 1974 Marshall Amplification catalog: DOWNLOAD: Marshall_1974_Cat Products covered, with text, specs, and photos, include: Marshall 1959,…
The development of magnetic tape recording is generally credited to German scientists. It is their Magnetophone that provided the inspiration…
D. Boyers, son of Magnecord, INC founding engineer John Boyers, has once again presented Preservation Sound with an incredible collection…
The earliest advertisement for the Magnecorder tape machine that I have seen. BTW get ready for a large collection of…
The Western Electric 755A speaker In a previous post, we looked at some early Western Electric cinema-sound equipment and the…
Today we'll look at some of the more interesting audio-circuit plans and schematics from the first two years of Audio…
The Amperite Velocity Microphone Continuing our review of Audio Engineering Magazine, today we will look at some of new offerings…