Download the complete circa 1975 (actual date unknown) Astatic Microphones Full-Line Catalog (22pp) DOWNLOAD: Astatic_Catalog_197* Models covered include: Astatic 810,…
Download the complete eight-page 1964 ASTATIC microphone and phono cartridge catalog: DOWNLOAD: Astatic_1964_catalog Models covered, with text, specs, and photos,…
Download a four-page catalog scan of the microphones of offer from Allied Radio in 1942: DOWNLOAD: Mics_Of_1942 Models covered, with…
The Electrovoice Cardax Crystal Cardiod Microphone Today we'll look at some more microphones on offer to Radio Hams in the…