Overview
The RCA 8462 beam power tube is a classic transmitting tetrode engineered for high-power RF amplifier applications. This tube is recognized for its robust construction and stable performance in linear and Class-C RF circuits, making it a valued component for vintage radio transmitters, amateur radio equipment, and broadcast systems. The 8462 delivers consistent gain and power output across a wide frequency range, supporting both CW and modulated operation.
Key Features
- Beam-power tetrode design optimized for RF transmitting applications
- High power output capability for Class-C RF amplification
- Stable operating characteristics in legacy broadcast and amateur radio equipment
- Compact design suitable for retrofit into existing transmitter chassis
- New, open-box condition with full electrical functionality
Technical Specifications
- Tube Type: Beam Power Tetrode
- Manufacturer: RCA
- Part Number: 8462
- Application Class: RF Transmitting, Class-C amplification
- Power Output: 80 watts (at rated frequency)
- Operating Frequency: Up to 400 MHz (approximate)
- Tube Configuration: 4-pin or 5-pin (verify socket compatibility)
- Condition: New, open box
Typical Applications
- RF power amplification in AM/FM broadcast transmitters
- Amateur radio (ham radio) SSB and CW transmitters
- Industrial RF heating and welding equipment
- Legacy military and commercial radio equipment
- Vintage audio amplifier restoration projects
- Educational demonstrations of transmitter design
Compatibility & Replacements
Compatible With
- Legacy RCA transmitter designs and modules
- RF amplifier circuits rated for 80-watt output at 400 MHz
- Class-C linear RF power amplification stages
- AM/FM broadcast equipment from 1950s–1980s era
- Amateur radio transmitters designed for beam-power tetrodes
Replaces / Drop-In Replacement For
Verify compatibility with your specific equipment before ordering. The RCA 8462 may replace other RCA beam-power transmitting tubes in similar power and frequency classes, but exact compatibility depends on socket pin configuration and operating voltage parameters. Consult your equipment manual or system integrator for confirmation.
Works With
- Tube testers and curve tracers for condition verification
- RF circuit designs using 4-pin or 5-pin tube sockets
- Classic transmitter restoration and repair workflows
- Vintage electronics documentation and schematic references
