Ray Tubes 12AX7 (Core)

from £36.99

Beyond the Ordinary

The CORE Collection is for audiophiles wanting more than standard tubes. Each tube is handpicked. Only the top performers make the cut. They meet our high standards for gain, conductance, noise, and microphonics.

  • Hand-selected and tested

  • Gold pins for corrosion resistance and excellent conduction

  • A substantial upgrade from standard NOS tubes

  • Low noise and microphonics

  • Matched pair (2 tubes) or single tube (1 tube)

  • Only 4% of the tubes commissioned for production meet our standards for gain and conductance matching

  • 12-month warranty against manufacturing defects

Beyond the Ordinary

The CORE Collection is for audiophiles wanting more than standard tubes. Each tube is handpicked. Only the top performers make the cut. They meet our high standards for gain, conductance, noise, and microphonics.

  • Hand-selected and tested

  • Gold pins for corrosion resistance and excellent conduction

  • A substantial upgrade from standard NOS tubes

  • Low noise and microphonics

  • Matched pair (2 tubes) or single tube (1 tube)

  • Only 4% of the tubes commissioned for production meet our standards for gain and conductance matching

  • 12-month warranty against manufacturing defects

Configuration:

Why New Stock is Better

The CORE Collection gives you the best of today’s technology.

NOS (New Old Stock) tubes have vintage charm but come with risks. Even unused, they can degrade. This leads to reliability issues and unpredictable performance. You might get bad sound quality or failure.

Ray Tubes new tubes have the latest tech and quality controls for better performance and reliability.

Technical specifications

Tube Type: 12AX7 / ECC83 / CV4004
Tube Socket: 9-pin|
Max Anode Dissipation Power: 1 W
Max Screen Dissipation Power: N/A
Output Power in Class A1 Amp (Single Tube): N/A
Output Power in Class AB1 Amp: N/A
Max Anode Voltage: 300 V
Max Screen Voltage: N/A
Max Grid Voltage: ~50 V
Heater Voltage: 6.3 V
Heater Current: 0.3 A
Transconductance: 1.6 mA/V
Amplification Factor: 100
Internal Resistance: 62.5 kΩ

Package Contents

Pair of matched vacuum tubes or single vacuum tube
User handbook featuring burn-in guidelines

Certificate of authenticity and warranty

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