12AU7 SELECT

$79.99 USD

Tube Pack: Single (1 tube)

Single (1 tube) Matched Pair (2 tubes)

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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

Technical Specification

Tube Type: 12AU7 / ECC82 / 6189 / CV4003
Tube Socket: 9-pin

Max Anode Dissipation Power: 2.75 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: 2.2 mA/V
Amplification Factor: 17
Internal Resistance: 7.7 kΩ

Package Content

Pair of matched vacuum tubes or single vacuum tube
User handbook featuring burn-in guidelines
Certificate of authenticity and warranty

Compatible Amps

Explore Ray Tubes' Tube Amp Compatibility List

Cheers from Oakland, California

We’re proud to call Oakland, California our home. Bursting with creativity and musical heritage, the city’s history of artistry is a vital part of our identity. It’s our goal to put a piece of Oakland’s legacy in every vacuum tube we make.