6146B / 8298A Power Tube

For demanding radio frequency (RF) applications requiring dependable power amplification, the 6146B beam power tetrode stands as a time-tested and trusted solution. Renowned for its robust construction and consistent performance, the 6146B is a workhorse in amateur radio transmitters, industrial heating equipment, and various RF communication systems.   

This tube is engineered for long life and stable operation, making it an excellent choice for both seasoned professionals and dedicated hobbyists. Its efficient design allows for significant power output with moderate drive requirements.   

Key Specifications:

• Type: Beam Power Tetrode
• Filament Voltage (AC or DC): 6.3 Volts
• Filament Current: 1.25 Amperes (This is a typical value; please consult the specific datasheet for the manufacturer)
• Maximum Plate Voltage: 750 Volts   
• Maximum Screen Grid Voltage: 225 Volts
• Maximum Plate Dissipation: 75 Watts
• Maximum Screen Grid Dissipation: 7 Watts
• Typical Operation (Class AB1 Amplifier, Two Tubes):
  • Plate Voltage: 700 Volts
  • Screen Grid Voltage: 200 Volts
  • Grid No. 1 Voltage: -50 Volts (approximate)
  • Plate Current (per tube): 95 mA (single tone)
  • Power Output: Up to 170 Watts (two tubes)
• Base Type: Octal (8-pin)   

Features and Benefits:

• High Power Output: Delivers substantial RF power for effective signal transmission and generation.
• Rugged Construction: Built to withstand demanding operating conditions and provide long-term reliability.   
• Stable Performance: Offers consistent amplification characteristics across its operational range.
• Moderate Drive Requirements: Achieves significant output power with relatively low input power.
• Versatile Applications: Suitable for a wide range of RF applications in communication, industrial, and scientific fields.
• Industry Standard: A widely recognized and respected tube type with readily available resources and information.

Whether you're building a new transmitter, maintaining existing equipment, or experimenting with RF circuits, the 6146B electron tube provides the reliable power amplification you need. Invest in a proven performer and experience the quality and longevity of this exceptional tube.