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

Other (3,257 tube types), Pre (2,314 tube types), Power (1,030 tube types), Rectifier (740 tube types)
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Tube-number record

3HT6

0 archive entries

BrandTUNG-SOL
ClassPENTODE
BaseNoval (B9A)
Filament3.15 V @ 600 mA

Construction

Primary TypePentode
EnvelopeGLASS BULB (JEDEC 6-2)
Base MaterialSMALL BUTTON 9 PIN BASE E9-1
Sections1

Filament / Heater

Heater NotesWarm-up time 11 seconds

Absolute Maximum Ratings

Plate Voltage250 V
Plate Dissipation2.5 W
Grid 2 Voltage250 V
Grid 1 Voltage-50 V
Cathode Current25 mA
H-C Voltage200 V

Audio Performance

Key Features
  • COATED UNIPOTENTIAL CATHODE
  • ANY MOUNTING POSITION
  • SEMI-REMOTE-CUTOFF

Typical Operation

ModePlate VGm (µmhos)Rp (Ω)µPlate mA
I.F. AMPLIFIER125 V14000143000—5 mA

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