18AJ10
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BrandGeneral Electric
ClassDissimilar Double Pentode
Base12-Pin Compactron
Filament18V @ 315mA
Construction
Primary TypeDissimilar Double Pentode
EnvelopeT-9, Glass
Base MaterialButton 12-Pin (E12-70)
Sections2
Filament / Heater
Heater NotesWarm-up time 11 seconds
Absolute Maximum Ratings
Plate Voltage300 V
Plate Dissipation6 W
Grid 2 Voltage150 V
Cathode Current60 mA
H-C Voltage200 V
Audio Performance
Typical THD12%
Power Output1.45 W
Key Features
- Low Heater Power
- 140 Volts B+
- High Sensitivity Sound Detector
- Compactron Construction
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Section 1 - Power Pentode | 145V | 5600 | 33000 | - | 34mA |
| Section 2 - Sharp-Cutoff Pentode | 150V | 2400 | 180000 | - | 2.8mA |
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