KT88 RESERVE

• 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
  

• Tube Type: 300B
• Tube Socket: 4-pin

Output Power

• Power Output (Pout): 6.6 W

Filament Specification

• Filament Voltage (Uf): 5 V
• Filament Current (If): 1.2 A

Maximum Rating

• Anode Voltage (Ua): 480 V
• Anode Dissipation Power (Pa): 40 W
• Cathode Current (Ik): 100 mA (self bias) | 70 mA (fixed bias)

Interelectrode Capacitance

• Input Capacitance (Cin): 9 pF
• Output Capacitance: 4.3 pF
• Trans:er Capacitance: 15 pF

Interelectrode Capacitance

• Anode Voltage (Ua): 300 V
• Grid Voltage (Ug): -60 V
• Anode Current (Ia): 60 mA
• Transconductance (Gm): 5.5 mA/V
• Internal Resistance (Ri): 0.7 kΩ
• Amplification Factor (𝝻): 3.85

• Set of four, two, or single vacuum tube
• User handbook featuring burn-in guidelines
• Certificate of authenticity and warranty