Tube-number record
3CX15,000A7
0 archive entries
3CX15,000A7 is a tube type in the TubeDatabase archive (class: High-Mu Power Triode). Recorded specifications: brand EIMAC, year 1971, construction Triode, base Metal, socket Coaxial, maximum plate voltage 8000 V, and maximum plate dissipation 15000 W. The archive does not yet hold a photographed example of this type.
BrandEIMAC
ClassHigh-Mu Power Triode
BaseCoaxial
Construction
Primary TypeTriode
EnvelopeCeramic/Metal
Base MaterialMetal
Sections1
Filament / Heater
MaterialThoriated Tungsten
Warm-up Time5s
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| Class AB2 Radio Frequency Linear Amplifier (Cathode Driven) | 7000 V | — | — | 200 | 5920 mA |
| Class C Telegraphy or FM Telephony (Grid Driven) | 7000 V | — | — | 200 | 4000 mA |
Application Notes
The 3CX15,000A7 is intended for use as a zero-bias Class B RF amplifier or Class C power amplifier. Grounded-grid operation is attractive for power gains as high as twenty times. Must be operated vertically, base up or down.
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