KR AUDIO KT88

Beam Power Tetrode Vacuum Tube

The KR Audio KT88 is a high-power beam tetrode vacuum tube designed for audio amplification. It supports Class A1 amplifier operation and features a high maximum plate-voltage rating, making it suitable for compatible high-performance tube amplifier designs.

Technical Specifications

• Tube Type: Beam Tetrode
• Amplification Factor: 8
• Filament Voltage: 6.3 V AC/DC
• Filament Current: 1.6 A
• Maximum DC Plate Voltage: 800 V
• Maximum DC Screen Grid Voltage: 600 V
• Maximum Plate Dissipation: 50 W
• Maximum Screen Grid Dissipation: 6 W
• Maximum DC Cathode Current: 230 mA
• Transconductance: 11.5 mA/V
• Base Type: Octal, 8-pin