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Please Support RF Cafe by purchasing my ridiculously low-priced products, all of which I created. RF & Electronics Symbols for Visio RF & Electronics Symbols for Office RF & Electronics Stencils for Visio T-Shirts, Mugs, Cups, Ball Caps, Mouse Pads These Are Available for Free |
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Electro-Voice Microphones Advertisement
February
1943 QST
February 1943 QST Wax nostalgic about and learn from the history of early electronics. See articles from QST, published December 1915 - present (visit ARRL for info). All copyrights hereby acknowledged. |
Delco Electro-Voice Microphones Advertisement
Minus Sound Effects
If you were receiving radio messages from men in the midst of ear-splitting battle noises, you'd hear crisp speech undistorted by background sound effects.
Electro-Voice Microphones, in military service, are helping to make it possible. Similar microphones, designed t o achieve such results, will be available for specific commercial applications ... after our wartime job is done.
Electro-Voice Microphones
Electro-Voice Manufacturing Co., Inc.
1239 South Bend Ave.
South Bend, Indiana
Posted May 19, 2020
(updated from original post on 12/26/2012)
Copyright: 1996 - 2026 |
About RF Cafe RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived... |
Copyright 1996 - 2026 All trademarks, copyrights, patents, and other rights of ownership to images
and text used on the RF Cafe website are hereby acknowledge My Hobby Website: My Daughter's Website: |
