4GK5
0 Tubes in archive
BrandSylvania
ClassTriode
BaseMiniature Button 7-Pin
Filament4V @ 350mA
Construction
Primary Typetriode
EnvelopeT-5 1/2
Sectionssingle
Filament / Heater
Heater NotesControlled heater warm-up time
Absolute Maximum Ratings
H-C Voltage100 V
Audio Performance
Key Features
- Partial shield between grid and plate
- Low input capacitance
- Dual cathode leads
- Frame grid construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| VHF RF amplifier | 135V | - | - | - | - |
Application Notes
Designed for use as a VHF RF amplifier at a B+ of 135 volts. Identical to Type 6GK5 except for heater ratings and controlled heater warm-up time.
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