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ID = 31238
Brand: Philips; Eindhoven (tubes international!); Miniwatt
Tube type:  Vacuum Pentode   RF/IF-Stage   Controlling (mu) 
Identical to 4659
Similar Tubes
Other class quality (otherwise equal):

Base Europe side contact P8A (Au P, 8SC)
Filament Vf 6.3 Volts / If 0.2 Ampere / Indirect / Specified voltage AND current AC/DC
Description EF9-Variante für professionelle Anwendung. Als Ersatz für AF3 oder AF7 nicht geeignet wegen unterschiedlicher Heizspannung. 
Tube prices 2 Tube prices (visible for members only)
4659: Photo of tube from my collection - TS
Tomasz Szczesniak

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4659: RTT 1974 (Franzis) 13. Auflage
Martin Renz


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