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Ray Vacuum Tube – 12AU7 Core

Ray Vacuum Tube – 12AU7 Core

$39.95$89.95

SKU R12AU7C Category Tags , , ,
Quantity:
Weight 20 kg
Dimensions 12 × 8 × 20 cm
Quantity

Single, Matched Pair

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
  • 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

 

Ray Tubes’ 12AU7 CORE Vacuum Tube provides a reliable upgrade, combining modern manufacturing with stringent selection for better performance. Gold pins enhance conductivity and durability, making these tubes a solid choice over vintage NOS options.

Ray Tubes is revitalizing the vacuum tube market with hand-selected, rigorously-tested tubes, backed by a 1-year warranty that underscores the quality and reliability of their products.

Specifications

Specs

  • Tube Type: 12AU7 / ECC82 / 6189 / CV4003
  • Tube Socket: 9-pin
  • Max Anode Dissipation Power: 2.75 W
  • Max Screen Dissipation Power: 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: 2.2 mA/V
  • Amplification Factor: 17
  • Internal Resistance: 7.7 kΩ

Compatible Amps

Note: This list is not comprehensive

  • Bottlehead Crack 1.1 OTL
  • Bravo Ocean
  • Bravo V2, V3
  • Cayin HA-1a MK2
  • Cayin HA-3A
  • Cocktail Audio HA500H
  • Elekit TU-8200R
  • Manley Audio Absolute
  • Original OPA-2A, OPTA-3A
  • Woo Audio WA7 Fireflies (3rd Gen)
  • Woo Audio WA7e Fireflies for Electrostatic Headphones
  • Woo Audio WAtp (Tube Power Supply)
  • xDuoo TA20 Plus
  • xDuoo TA-10R
  • xDuoo TA-22
  • xDuoo TA-30
  • xDuoo MT-603
  • xDuoo MU-603

What’s included

  • Pair of matched vacuum tubes OR single vacuum tube
  • User handbook featuring burn-in guidelines
  • Certificate of authenticity and warranty
Service center

8 800 555 04 71

Customer support

8 800 555 04 71