Tube-number record
6146B/8298A
0 archive entries
6146B/8298A is a tube type in the TubeDatabase archive (class: Beam Power Tube). Recorded specifications: brand RCA, year 1964, construction Beam tetrode / beam power, base Small-Wafer Octal with Sleeve, socket Octal, maximum plate voltage 750 V, and maximum plate dissipation 35 W. The archive does not yet hold a photographed example of this type.
BrandRCA
ClassBeam Power Tube
BaseOctal
Filament6.3 V @ 1.125 mA
Construction
Primary TypeBeam tetrode / beam power
EnvelopeGlass
Base MaterialSmall-Wafer Octal with Sleeve
SectionsSingle
Filament / Heater
Heater NotesRCA Dark Heater with 5- to 8-volt range for mobile use
Absolute Maximum Ratings
Typical Operation
| Mode | Plate V | Gm (µmhos) | Rp (Ω) | µ | Plate mA |
|---|---|---|---|---|---|
| RF Power Amplifier & Oscillator Class C Telegraphy (ICAS) | 750 V | 7000 | — | 4.5 | 160 mA |
| AF Power Amplifier & Modulator Class AB1 Push-Pull (ICAS) | 750 V | — | 7200 | — | 125 mA |
| Plate-Modulated RF Power Amplifier Class C Telephony (ICAS) | 600 V | — | — |
Application Notes
Designed for RF Power Amplifier and Oscillator service up to 175 Mc, and as AF Power Amplifier/Modulator in mobile and fixed equipment.
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