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ID = 4481
Tube type:  Double Diode-Pentode 
Identical to 5BT8

Base Noval, 9 pin miniature (USA pico-9) B9A
Filament Vf 4.7 Volts / If 0.6 Ampere / Indirect
Tube prices 1 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   

5bt8_sockel.png 5BT8: Essential characteristics
Peter Hoddow

Just Qvigstad
5BT8: Valvulas de recepción manual RC-20
Miguel Angel Trujillo-Rodriguez

Usage in Models 61= 1956? ; 42= 1957? ; 21= 1958?

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):124

Collection of



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