Tube-number record
34GD5A
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BrandSylvania
ClassPower Pentode
Filament34 V @ 100 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeMiniature
Filament / Heater
Warm-up Time20s
Heater NotesSeries Operation
Absolute Maximum Ratings
Plate Voltage150 V
Plate Dissipation5 W
Grid 2 Voltage130 V
H-C Voltage200 V
Audio Performance
Typical THD10%
Power Output1.4 W
Key Features
- High efficiency
- Controlled heater warm-up time
- Designed for AC/DC radio receivers
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | — | — | 13000 | — | — |
Application Notes
The Sylvania Type 34GD5A is a miniature beam power pentode designed for service as an audio output amplifier. It features high efficiency at relatively low plate and Grid No. 2 voltages.
Datasheets
Datasheet: 34GD5A.pdf
Download PDFLoading datasheet...
Datasheets courtesy of Frank Philipse via Frank's Electron Tube Data Sheets.
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