Ray Tubes
Ray Tubes Vacuum Tube - KT88 SELECT
* Hand-selected and tested
* Gold plated pins for corrosion resistance and excellent conduction
* A substantial upgrade from standard NOS tubes
* Low noise and microphonics
* Fewer than 5% of the tubes commissioned for production meet RayTubes' voltage, current, and sound signature standards
* 12-month warranty against manufacturing defects
Compatible Amps
Explore Ray Tubes' Tube Amp Compatibility List.
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Description
Article no.: RAYTUBESKT88SELECT
Ray Tubes Vacuum Tube - KT88 SELECT
Product Highlights * Hand-selected and tested * Gold pins for corrosion resistance and excellent conduction * A substantial upgrade from standard NOS tubes * Low noise and microphonics * Fewer than 5% of the tubes commissioned for production meet our voltage, current, and sound signature standards * 12-month warranty against manufacturing defects
Technical Specifications * Tube Type: KT88 * Tube Socket: 7-pin * Max Anode Dissipation Power: 42 W * Max Screen Dissipation Power: 8 W * Max Anode + Screen Dissipation Power: 46 W * Max Anode Voltage: 800 V * Max Screen Voltage: 600 V * Max Grid Voltage: ~200 V * Max Cathode Current: 230 mA * Heater Voltage: 6.3 V * Heater Current: 1.6 A * Transconductance: 12 mA/V * Amplification Factor: 8 * Total Height: 119 mm Tetrode Connection * Screen Voltage: 250 V * Anode Voltage: 250 V * Anode Current: 140 mA * Grid Voltage: 15 V * Grid Current: 3 mA * Internal Resistance: 12 kΩ * Amplification Factor: 8 Triode Connection * Anode Voltage: 250 V * Anode Current: 143 mA * Grid Voltage: 15 V * Internal Resistance: 670 Ω * Amplification Factor: 8 Package Content * Set of four, two, or single vacuum tube * User handbook featuring burn-in guidelines * Certificate of authenticity and warranty Compatible Amps Explore Ray Tubes' Tube Amp Compatibility List.