Antique radios, Old Time Radios
ET51
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Country:
Great Britain (UK)
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| Identical to |
ET51
= CV5277
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| Similar
Tubes |
Normally replaceable-slightly different:
6700
; MO-10
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| First Source
(s) |
Mar.1960 : - - Manufacturers Literature Preliminary Data Sheet
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| Filament |
Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC |
| Description |
TROCHOTRON.
Base B26A. Thermionic Decade Counting Tube which predates the gas-filled "dekatron" tubes.
Consisting of 30 electrodes the electron beam is steered with an external magnetic field. Counting speeds up to 1 MHz are attainable. Tubes had to be mounted at least 10 cm apart. This and the high cost of manufacture together with the advent of the dekatron made the use of the Trochotron not viable except for high speed counting. (RJ)
Operating principle of trochotron.
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Dimensions (WHD)
incl. pins / tip |
41 x 84 x mm / 1.61 x 3.31 x inch |
| Information source |
- - Manufacturers Literature
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ET51: Mullard
Günther Stabe † 19.8.20
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ET51: Manufacturer's Literature
Emilio Ciardiello
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