Tube-number record
3HT6
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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
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| I.F. AMPLIFIER | 125 V | 14000 | 143000 | — | 5 mA |
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