6158
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BrandBrimar
ClassDouble Triode
Filament6.3V @ 600mA
Construction
Primary TypeDouble Triode
EnvelopeGlass
Sections2
Filament / Heater
Heater NotesSeries or parallel connection
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation5 W
Grid 1 Voltage-75 V
Cathode Current35 mA
Audio Performance
Typical THD11.5%
Power Output6.7 W
Key Features
- Trustworthy
- Rigid structure
- Low microphony
- Stable characteristics
- Suitable for D.C. amplifier
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A1 Amplifier | 250V | 2350 | 14000 | 32 | 6mA |
| Push-Pull Zero Bias Class B | 250V | - | - | - | 43.2mA |
Application Notes
The BRIMAR type 6158 is an indirectly-heated double triode, having a rigid structure to reduce microphony. It is particularly suitable as a D.C. amplifier due to its stable characteristics.
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