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Tube Database (7,341 tube types · 1,270 archive entries)

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Tube-number record

3AF4-A

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BrandGeneral Electric
ClassTriode
Filament3.2 V @ 450 mA

Construction

Primary TypeTriode
SectionsSingle

Filament / Heater

Warm-up Time11s
Heater NotesHeater current is 0.45A +/- 0.03A

Absolute Maximum Ratings

Audio Performance

Key Features
  • Coated Unipotential Cathode

Application Notes

Identical to 6AF4-A except for heater characteristics and ratings.

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