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The first low-cost junction transistor available to the general public was the CK722, a PNP germanium small signal unit introduced by Raytheon in early 1953 for $7.60 each. In the 1950s and 1960s, hundreds of hobbyist electronics projects based around the CK722 transistor were published in popular books and magazines.
The TR-1 cost $49.95 — a princely sum back then. It utilized a 22.5 V battery, which — to my knowledge — was the only fully transistorized radio to ever use this battery. The radio came in six standard colors: black, white, cloud gray, mandarin red, mottled mahogany, and jade green (see Figure 1 ). FIGURE 1.
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Dec 4, 2022 · The earliest transistor gadget to hit the market was a hearing aid released in 1953. Soon after came the transistor radio, which became emblematic of the 1960s. Portable vacuum tube radios did ...
Work began in earnest in the spring of 1954, and this first Regency transistor radio was in stores for the Christmas season later that year. The Regency model TR-1 contained four transistors. Capable of receiving AM stations, the radio cost about $50 (that would be almost $400 today.)
Quick Facts. The Regency TR-1 was the first commercially-sold transistor radio, and was the first widely-sold transistorized product. It was designed and manufactured in the United States (no, not Japan) for just one year starting in Nov., 1954. About 100,000 were sold in the next 12 months at $49.95.
Oct 18, 2019 · The 5×3×1¼-inch radio used four TI transistors and a TI subminiature output transformer, according to a TI press release issued on October 18, 1954. When it went on sale on November 1, the Regency TR-1 cost $49.95. Although its price was high in terms of 1950s dollars, nearly 100,000 of the pocket radios were sold in a year.
The first transistor radio (the Regency TR-1) was produced by Regency Electronics in cooperation with Texas Instruments in 1954. The magazine Popular Mechanics had published instructions for building a do-it-yourself pocket radio, using a wooden glove box for the body, in 1925. The invention of the transistor in the early 1950s paved the way ...
