Ray Tubes 300B RESERVE Vacuum Tube Match Pair Amplifier

Matching Pair price (2 tubes)

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
- Matched quad (4 tubes) or pair (2 tubes) or single tube (1 tube)
- Fewer than 5% of the tubes commissioned for production meet our voltage, current, and sound signature standards
- 12-month warranty against manufacturing defects

Specs :

- Tube type: 300B
- 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):
- Self Bias: 100 mA | Fixed Bias: 70 mA
- Interelectrode Capacitance
- Input Capacitance (Cin): 9 pF
- Output Capacitance: 4.3 pF
- Transfer Capacitance: 15 pF
- Static Parameters
- 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
- Compatible Amps


Explore Ray Tubes' Tube Amp Compatibility List

What's included:
- Ray Tubes 300B RESERVE Vacuum Tube
- User handbook featuring burn-in guidelines
- Certificate of authenticity and warranty


1 Year Warranty


Beyond The Music contact :
0813.7000.9002 / 0813.7000.6807