ELECTRO HARMONIX 12AU7 PREAMP TUBE

ELECTRO HARMONIX 12AU7 PREAMP TUBE

Original price was: $65.00.Current price is: $59.00.

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Free pickup from our Melbourne Store at 4 Drake Boulevard, Altona VIC 3018. Your order will typically be ready by the next business day. We recommend calling us on (03) 8360 7799 beforehand to check it's ready for collection.

Electro-Harmonix 12AU7 / ECC82 Preamp Vacuum Tube

The Electro-Harmonix 12AU7 is a premium-quality preamplifier tube designed to deliver high-fidelity audio performance in both guitar amplifiers and high-end studio gear. Built as a completely new design, this tube is engineered to match the rigorous performance standards of the legendary military-industrial GE 6189. Whether utilized in a preamp stage or as a driver tube, it provides a level of quality and consistency that professional musicians and audio engineers depend on.

Superior Linearity & Harmonic Depth

What sets the Electro-Harmonix 12AU7 apart is its excellent linearity and exceptionally low noise floor. This ensures a musical and expansive harmonic soundstage that remains clear even under demanding conditions. By minimizing microphonics through advanced internal damping, this tube remains stable in high-vibration environments, making it an ideal choice for sensitive driver circuits and phase inverter positions.

Versatile Gain Management

As a medium-mu twin triode, the 12AU7 is often used to swap with higher-gain 12AX7 tubes to provide more headroom and a smoother, more controllable volume sweep in certain amplifier circuits.

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Key Performance Features

  • Military-Spec Performance: Matches the electrical characteristics of the classic GE 6189.
  • Low Microphonics: Precision construction reduces mechanical noise and interference.
  • Musical Soundstage: Delivers a balanced, warm tone with rich harmonic overtones.
  • High Reliability: Rigorously tested for use in critical driver and preamplifier circuits.
  • Universal Compatibility: Direct replacement for any ECC82, 6189, or 5814 tube position.

Detailed Specifications

Tube Type 12AU7 / ECC82 Dual Triode
Brand Electro-Harmonix
Application Preamplifier, Driver, Phase Inverter
Base Noval (9-Pin)
Equivalent Models 6189, 5814, CV4003

Frequently Asked Questions

Can I use a 12AU7 instead of a 12AX7?
Yes, in many circuits. A 12AU7 has significantly less gain (roughly 20% of a 12AX7). This is a popular modification for players who want to reduce the "fizz" in a high-gain amp or gain more clean headroom in a microphone preamp.

What does "Low Microphonics" mean?
Tubes are physical objects that can vibrate. Microphonics occurs when those vibrations are amplified as noise. This Electro-Harmonix tube is built with rigid internal supports to prevent this, resulting in a cleaner signal.

Is this tube suitable for Hi-Fi audio?
Absolutely. Because of its excellent linearity and balanced soundstage, it is frequently chosen for audiophile-grade headphone amplifiers and home stereo preamps.

Additional information

Weight 0.0000 kg
type

Electric Guitar Amplifier
Amplifier Type

PREAMP TUBE

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