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The new company controlled Rogers Radio Tube Company and Rogers Batteryless Radio Company. Joseph Elsworth Rogers (1898–1960), brother of Edward Rogers, was an important member of the company and served as vice-president until 1939, and then as head from 1939 to 1960.
RadioShack (formerly written as Radio Shack) is an American electronics retailer that was established in 1921 as an amateur radio mail-order business. Its original parent company, Radio Shack Corporation, was purchased by Tandy Corporation in 1962, shifting its focus from radio equipment to hobbyist electronic components sold in retail stores.
Swan merged with Cubic Corporation in 1967, and Johnson managed Swan as its subsidiary until 1973. Johnson founded Atlas Radio in 1974. Atlas produced smaller solid state radios for mobile communications from vehicles of all types. [3] Many Swan radios remain in service today, restored and operated by vintage amateur radio enthusiasts. [2]
In 2022, Western Electric began production of the 91E amplifier system, employing the 300B tube in a single ended configuration. The amplifier is a high-end model designed for audiophiles, costing $15,000 or more. It can produce from 14 to 20 watts (at 8 ohms) per channel. This is considerably more than the standard 10w per channel from a ...
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Large new-old-stock supplies of the tube are available. The 6GK6 has nearly equivalent operating characteristics with a different pinout. As of 2022 [update] the tube was manufactured in Russia ( Sovtek , Electro-Harmonix , Tung-Sol , Mullard and Genalex Gold Lion brands), Slovakia - Čadca ( JJ Electronic ) and China ( Psvane brand [ 6 ] made ...
There was a Motorola 12-volt car radio tube compliment as a Motorola TO-3 "2N-176" Power Transistor. Tung-Sol identified a device as "TS176" as a coincidence or intentionally, because both also had a Baby-Blue color on the finished material. The inventory lists indicated this product for a few years after the introduction. [44]
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