When.com Web Search

  1. Ads

    related to: small transistor radio with headphones

Search results

  1. Results From The WOW.Com Content Network
  2. Transistor radio - Wikipedia

    en.wikipedia.org/wiki/Transistor_radio

    An early 2000s transistor radio (Sony Walkman SRF-S84 transistor radio, released 2001, shown without earphones) Rock 'n roll music became popular at the same time as transistor radios. Parents found that purchasing a small transistor radio was a way for children to listen to their music without using the family tube radio.

  3. Regency TR-1 - Wikipedia

    en.wikipedia.org/wiki/Regency_TR-1

    Regency TR-1 transistor radio. The Regency TR-1 was the first commercially manufactured transistor radio, introduced in 1954.Despite mediocre performance, about 150,000 units were sold, due to the novelty of its small size and portability.

  4. ZN414 - Wikipedia

    en.wikipedia.org/wiki/ZN414

    Later variants, the ZN415 and ZN416, came in 8-pin DIL packages and included a built-in amplifier that could drive headphones and small speakers directly. The radio circuit inside the ZN414 is based on a design known as Tuned Radio Frequency (TRF). The TRF design is much simpler than the popular, but more complex, superheterodyne radio circuit ...

  5. Crystal radio - Wikipedia

    en.wikipedia.org/wiki/Crystal_radio

    This varied the force of attraction on the diaphragm, causing it to vibrate. The vibrations of the diaphragm push and pull on the air in front of it, creating sound waves. Standard headphones used in telephone work had a low impedance, often 75 Ω, and required more current than a crystal radio could supply. Therefore, the type used with ...

  6. VEF Spidola - Wikipedia

    en.wikipedia.org/wiki/VEF_Spidola

    A small series under the name "Spidola" (Спидола ПМП-60 [1]) had been manufactured since 1960. [2] [3] It was named after the fictional witch Spīdola from the Latvian epic poem. The word "spidola" was a genericised trademark for "transistor radio" for a long time in Russian [4] (other synonyms included "transistor").

  7. List of radios - Wikipedia

    en.wikipedia.org/wiki/List_of_radios

    The RCA model R7 Superette superheterodyne table radio. This is a list of notable radios, which encompasses specific models and brands of radio transmitters, receivers and transceivers, both actively manufactured and defunct, including receivers, two-way radios, citizens band radios, shortwave radios, ham radios, scanners, weather radios and airband and marine VHF radios.