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

Pre (2,630 tube types), Other (2,603 tube types), Power (1,292 tube types), Rectifier (816 tube types)
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Tube-number record

6KT6

0 archive entries

BrandRCA
ClassSemiremote-Cutoff Pentode
BaseNoval (B9A)
Filament6.3 V @ 300 mA

Construction

Primary TypePentode
EnvelopeT6-1/2
Sections1

Filament / Heater

MaterialCoated Unipotential
Warm-up Time11s
Heater NotesDark Heater

Absolute Maximum Ratings

Plate Voltage330 V
Plate Dissipation3.1 W
Grid 2 Voltage330 V
H-C Voltage200 V

Audio Performance

Key Features
  • Frame-Grid Construction
  • Dark Heater
  • Semiremote-Cutoff

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
Class A1 Amplifier125 V1800060000—17 mA

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