Kondo 300B Tube – Technical Specifications

• Type: 300B Directly Heated Triode (DHT)
• Filament Voltage: 5 V
• Filament Current: 1.2 A
• Plate Voltage: Approx. 300–400 V
• Plate Current: Approx. 60–100 mA
• Amplification Factor (μ): ~3.9
• Transconductance: ~5.5 mA/V
• Maximum Plate Dissipation: 40 W
• Base: 4-Pin
• Cathode: Directly Heated
• Typical Application: Single-Ended Triode (SET) Power Amplifier