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Reviews of KT88 tubes. Tung-Sol 1935 Radio Guide; Complete 1948 Technical Data Book (vacuum tube manual)—28 MB PDF, 1028 pages; Electronic Design October 1953 —PDF browser viewable, 75 pages, featuring Tung-Sol tube 5881 ad. Electronic Designs July 15, 1956 —20.79 MB PDF viewable, 160 pages features Chatham tube 5998 ad.
It belongs to a large family of dual-triode vacuum tubes which share the same pinout (RETMA 9A). 12AU7 is also known in Europe under its Mullard–Philips tube designation ECC82 . [ 1 ] There are many equivalent tubes with different names, some identical, some designed for ruggedness, long life, or other characteristics; examples are the US ...
The EL34 is a thermionic vacuum tube of the power pentode type. The EL34 was introduced in 1955 by Mullard, who were owned by Philips. [1] The EL34 has an octal base (indicated by the '3' in the part number) and is found mainly in the final output stages of audio amplification circuits; it was also designed to be suitable as a series regulator by virtue of its high permissible voltage between ...
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.
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 ...
Hyundai and Kia are recalling over 208,000 electric vehicles to fix a pesky problem that can cause loss of drive power, increasing the risk of a crash. The recalls cover more than 145,000 Hyundai ...
The "Food Wish Method": Chef John's Mathematical Formula for Cooking Prime Rib. Multiply the exact weight of your prime rib by 5 minutes (round up to the nearest minute).
To wrap it up, a 2022 review looked into multiple minoxidil studies to try and answer the question of whether concentrations higher than 5% are better. It reported mixed results and that higher ...
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