enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Regency TR-1 - Wikipedia

   en.wikipedia.org/wiki/Regency_TR-1

   A 22.5 volt battery provides power, since the only way to get adequate radio frequency performance out of early transistors was to run them close to their collector-to-emitter breakdown voltage. The current drain from this battery is only 4 mA, [ 7 ] allowing 20 to 30 hours of operation, in comparison to only several hours for the portable ...

3. Transistor radio - Wikipedia

   en.wikipedia.org/wiki/Transistor_radio

   A classic Emerson transistor radio, circa 1958. A transistor radio is a small portable radio receiver that uses transistor-based circuitry.Previous portable radios used vacuum tubes, which were bulky, fragile, had a limited lifetime, consumed excessive power and required large heavy batteries.

4. Antique radio - Wikipedia

   en.wikipedia.org/wiki/Antique_radio

   Many rural areas of the Midwest and South did not receive commercial power until the 1960s. Until that point, special radios were made to run on DC power. The earliest so-called "farm radios" used the "A", "B", and "C" batteries typical of 1920s radio sets; these farm radios were identical to those used in cities.

5. List of radios - Wikipedia

   en.wikipedia.org/wiki/List_of_radios

   It was designed by G.D. Reynolds of Murphy Radio. Both AC and battery-operated versions were made. [7] [8] [9] Walkman – The original Walkman, released in 1979, was a portable cassette player. The Walkman brand was later extended to serve most of Sony's portable audio devices as well as related media devices, including radio receivers.

6. Radio receiver - Wikipedia

   en.wikipedia.org/wiki/Radio_receiver

   Portable radios may have an arrangement for powering from an outlet, conserving the batteries when an outlet is available. Portable "emergency" radios may be solar and/or hand crank powered. [7] Boom box - a portable battery-powered high fidelity stereo sound system in the form of a box with a handle, which became popular during the mid-1970s.

7. Amazon's very best Black Friday deals are here: Save on Apple ...

   www.aol.com/lifestyle/amazons-best-black-friday...

   AirPods Pro are down to the lowest price we've ever seen at Amazon, just $153.99. They're a powerful upgrade over the AirPods 4 and provide superior noise-canceling abilities without sacrificing ...