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ID = 61258
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  Vacuum Pentode   RF/IF-Stage 
Identical to 6AC7_DDR = OSW2190 = HF2190
Similar Tubes
Other class quality (otherwise equal):
First Source (s)
1949 : -- Collector info (Sammler)

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.45 Ampere / Indirect / Parallel, (AC/DC)
6AC7_DDR: eigene Fotografie
Jürgen Tiedmann

6AC7_DDR: Deutsche Funk Technik 2/53
Egon Strampe

Usage in Models 1= 1952? ; 1= 1953? ; 1= 1954 ; 1= 1955?? ; 1= 1955? ; 1= 1956 ; 1= 1960??

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):7

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