KT88 RESERVE
Product Highlights
Product Highlights
- Hand-selected and tested
- Gold pins for corrosion resistance and excellent conduction
- A substantial upgrade from standard NOS tubes
- Magic Coating: Monocrystalline carbon coating enhances sound by cooling, blocking noise, and allowing for quicker electron transmission
- 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 Specification
Technical Specification
- Tube Type: KT88
- Tube Socket: 8-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 kโฆ
- Amplification Factor:ย 8
Triode Connection
- Anode Voltage: 250 V
- Anode Current: 143 mA
- Grid Voltage: 15 V
- Internal Resistance: 670 โฆ
- Amplification Factor:ย 8
Package Content
Package Content
- Set of four, two, or single vacuum tube
- User handbook featuring burn-in guidelines
- Certificate of authenticity and warranty
Compatible Amps
Compatible Amps
Explore Ray Tubes' Tube Amp Compatibility List
KT88 RESERVE
Sale price$120.00 USD
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