 |
| Identical to |
216A_USA
= 216A_Nissl
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| First Series |
1922 Saga of the Vacuumtube, Tyne |
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| Base |
UV-Base (4 Pins+Bayonet, USA 1914)
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| Was used by |
Radio/TV-reception etc. |
| Filament |
-: Direct /
-: Battery = /
If: 1 Ampere /
Vf 6 Volts /
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| Description |
"licensed for use only as a part of the Western Electric loud-speaking telephone outfit", e.g. type 7A or 10A amplifiers.
Mu 6, 100 to 150V. Originally rated for 1500 hours life, then raised to 4000 hours. Intended for PA or radio amplifiers. May be the first WE tube with constant voltage filament.
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| Literature |
Saga of the Vacuumtube, Tyne
Tube Lore, Sibley, USA 1996
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R.P.
Reinhard Peyerl
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KoBi
Konrad Birkner
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