R 145
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BrandLa Radiotechnique
ClassPentode
BasePTT 49
Filament18V @ 85mA
Construction
Primary TypePentode
EnvelopeGlass
SectionsSingle
Filament / Heater
Heater NotesIndirect heating
Absolute Maximum Ratings
Plate Voltage225 V
Plate Dissipation2 W
Grid 2 Voltage225 V
Cathode Current12 mA
H-C Voltage50 V
Audio Performance
Key Features
- Longue durée (Long Life)
- Voltage amplifier
- Indirectly heated cathode
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Nominal Conditions | 200V | 5500 | 800000 | 4400 | 8mA |
Application Notes
A utiliser de préférence en polarisation automatique (Preferably use automatic bias).
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