2A5
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BrandRCA
ClassPower Amplifier Pentode
BaseMedium 6-Pin
Filament2.5V @ 1750mA
Construction
Primary TypePentode
EnvelopeST-14
Filament / Heater
Heater NotesHeater-cathode type
Absolute Maximum Ratings
Audio Performance
Key Features
- Heater-cathode type
- Large power output
- Uniformly low hum-level
Application Notes
The 2A5 is a heater-cathode type of power-amplifier pentode for use in the audio-output stage of ac receivers. It is capable of giving large power output with a relatively small input-signal voltage. Sufficient ventilation should be provided to prevent overheating. Refer to APPLICATION on type 6F6.
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