Tube-number record
8295A
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BrandEIMAC
ClassRadial Beam Power Pentode
Base7-pin (non-miniature)
Filament6 V @ 8.2 mA
Construction
Primary TypePentode
EnvelopeCeramic/Metal
Base MaterialCeramic/Metal
SectionsSingle
Filament / Heater
Heater NotesOxide Coated, Unipotential
Absolute Maximum Ratings
Plate Voltage3000 V
Plate Dissipation1000 W
Grid 2 Voltage600 V
Grid 1 Voltage-200 V
Cathode Current1000 mA
Audio Performance
Key Features
- Ceramic/metal construction
- Forced-air cooled
- Radial beam pentode
- External-anode
- Direct replacement for 8295
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB1 Linear Amplifier (Grid Driven) | 3000 V | — | — | 3.4 | 800 mA |
| Class C Telegraphy or FM Telephony | 3000 V | — | — | 3.4 | 820 mA |
Application Notes
Heater voltage should be applied for a minimum of three minutes before application of other electrode voltages. Neutralization is recommended for minimum-distortion Class AB1 linear amplifier service.
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