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Tube Database (1,270 tubes)

Other (3257), Pre (2314), Power (1030), Rectifier (740)
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AF OUTPUT PENTODE OR FRAME OUTPUT PENTODE

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BrandPhilips
ClassPentode
BaseNoval (B9A)
Filament6.3V @ 0.76mA

Construction

Primary TypePentode
EnvelopeT 6
SectionsSingle

Filament / Heater

Heater NotesParallel supply

Absolute Maximum Ratings

Plate Voltage275 V
Plate Dissipation14 W
Grid 2 Voltage220 V
Grid 1 Voltage-250 V
Cathode Current110 mA
H-C Voltage220 V

Audio Performance

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A AF Amplifier170V1100026000870mA

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