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

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6AC7(K)

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BrandVEB Werk für Fernmeldewesen (WF)
ClassHF-Pentode
BaseOctal
Filament6.3 V @ 450 mA

Construction

Primary TypePentode
EnvelopeMetal
SectionsSingle

Filament / Heater

Heater NotesIndirectly heated

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation3.3 W
Grid 2 Voltage165 V
Grid 1 Voltage-1.3 V
Cathode Current25 mA
H-C Voltage100 V

Audio Performance

Key Features
  • Hohe Lebensdauer
  • Steile Kennlinie
  • Breitbandverstärkung

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
HF-Verstärker300 V90003000005010 mA

Application Notes

Anfangsstufen in Breitbandverstärkern. Die Röhre darf nur mit automatischer Gittervorspannung (Erzeugung durch Katodenwiderstand) betrieben werden.

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