Antique radios, Old Time Radios

ACH1n

Country:	Czechoslovakia	Brand:	Tesla, narodni podnik
		Developer:	Telefunken Deutschland (TFK)
		Tube type:	Triode-Heptode Frequency converter Controlling (mu)

Tube ID = 27404


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Identical to	ACH1n
Similar Tubes	Heater different: ECH4

Base	Europe side contact base P (P8A) Top contact with a cap
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 0.6 Ampere / -: Indirect / -: Parallel, (AC/DC) /
Description	This is an ECH4, fitted with a 4 volt- heater as a rather makeshift replacement for the ACH1. It requires alterations of wiring and anode and screen resistors. Text in other languages (may differ)
Literature	Taschenbuch zum Röhren-Codex 1948/49

Sammlung Bayer
Klaus Bayer

RTT 1974 (Franzis) 13. Auflage
Martin Renz

Tesla catalogue
Gabriel Toth

No further Information for

ACH1n

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