12AY7
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BrandGeneral Electric
ClassTwin Triode
BaseSmall Button 9-Pin
Filament12.6V @ 150mA
Construction
Primary TypeTriode
EnvelopeT-6 1/2 Glass
SectionsTwin
Filament / Heater
Heater NotesSeries/Parallel connection available
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation1.5 W
Cathode Current10 mA
H-C Voltage90 V
Audio Performance
Typical THD5%
Key Features
- Low noise
- Low microphonic output
- Controlled hiss and hum
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class A Amplifier | 250V | 1750 | 25000 | 44 | 3mA |
| Low-Level-Amplifier Service | 150V | - | - | - | - |
Application Notes
Designed primarily for use in low-level stages of high-gain audio-frequency amplifiers.
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