Tube-number record
6H3I1
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ClassDouble Triode
BaseNoval (B9A)
Filament6.3 V @ 350 mA
Construction
Primary TypeTriode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesIndirectly heated oxide-coated cathode
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Cathode Current18 mA
H-C Voltage100 V
Audio Performance
Key Features
- Miniature device
- Oxide-coated cathode
- Resistant to vibration and impacts
- Wide operating temperature range (-60 to +70°C)
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Each triode | 150 V | 6000 | 14000 | 36 | 8.75 mA |
Application Notes
Designed for voltage amplification and generation of low-frequency oscillations.
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