Special version of 12AU7A intended for use in mobile equipment powered by storage batteries. Operates with heater voltage of 6.3V plus or minus 1.3V, both heaters in parallel, or 10 to 15V, when series connected.
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Literatura
Essential Characteristics, GE 1973
Röhren-Taschen-Tabelle, (Franzis RTT)
- - Manufacturers Literature
Tube Lore (I)
6680: RTT Schwandt
Günther Stabe † 19.8.20
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