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, …

Regency model TR-4 is a battery operated portable AM transistorized receiver. In October 1954, Regency introduced the TR-1, the world's first commercial pocket transistor radio. The TR-4, …

Very small Portable or Pocket-Set (Handheld) < 8 inch. Model page created by Peter Hoddow. See "Data change" for further contributors. Here you find 22 models, 19 with images and 2 …

Here you find 111 models, 76 with images and 69 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil. All listed radios etc. from Jewel Radio Corp.; New York, Long …

Get the best deals for Vintage Transistor Radio at eBay.com. We have a great online selection at the lowest prices with Fast & Free shipping on many items!

2008年5月2日 · Generally, the most collectable and historic transistor radios are those made in Japan from 1956 to 1963 and America from 1955-60. One easy way to date a transistor radio …

2023年12月14日 · Find many great new & used options and get the best deals for Regency TR-4 Transistor Radio Collectible Vintage 1950s in Working Condition at the best online prices at …

This is a Mid Century Modern, Regency Mandarin Red, TR-4 transistor radio, circa 1956. It is almost mint condition with it's original leather case an...

2024年12月23日 · Ace Electric 4-transistor radio kit. We have not been able to confirm the operation of the parts. It is unopened.

This Regency transistor radio was made in the 35th week of 1957 and is in working condition. The TR-4 takes a 9 volt battery so it was easy to power it up.The color is dark black, and the serial …