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2012 Russian production Tung-Sol brand 5881 type vacuum tube. The 5881 is a beam power tube designed by Tung-Sol and introduced in 1950. [129] The 5881 is an improved direct replacement for the 6L6 in any equipment originally using the 6L6 and facilitates new amplifier designs producing greater power output than those using 6L6's.
This is a list of vacuum tubes or thermionic valves, and low-pressure gas-filled tubes, or discharge tubes. Before the advent of semiconductor devices, thousands of tube types were used in consumer electronics.
The transmitting tubes TT21 and TT22 have almost identical transfer characteristics to KT88 but a different pinout, and by virtue of their anode being connected to the top cap have a higher plate voltage rating (1.25 kilovolt) and a higher power output capability of 200 watts in class AB1 push–pull.
50L6GT by Tung Sol. The 25L6 is an octal-based vacuum tube of the Beam tetrode type. It is the Octal base equivalent to the type '43 power tube which made early AC-powered loudspeaker radios affordable.
In common with all 'E' prefix tubes, using the Mullard–Philips tube designation, it has a heater voltage of 6.3V. It can produce 17W output in Class AB1 in push–pull configuration. Many guitar-amplifiers routinely run EL84 tubes in excess of 400VDC, with the Traynor Guitarmate reportedly putting out 25W RMS with 2 EL84s in a push–pull ...
The unreliability of those early thyratron CD ignitions made them unsuitable for mass production despite providing short term benefits. One company at least, Tung-Sol (a manufacturer of vacuum tubes) marketed a thyratron CD ignition, model Tung-Sol EI-4 in 1962, but it was expensive. Despite the failings of thyratron CD ignitions, the improved ...
Today's NYT Connections puzzle for Saturday, December 14, 2024The New York Times
But during the 1970s, Marshall's increasing exports overseas led to a problem: Often the EL34 tubes would break during transportation, to the point where amps began being shipped from the factory with more rugged Tung-Sol 6550 tubes, which are "stiffer and not as harmonically rich" as the EL34 tubes. [3]
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