Electro-Harmonix 12AT7EH Russian Made Preamp Tube

Reliable, balanced gain with classic Electro-Harmonix clarity

The Electro-Harmonix 12AT7EH is a Russian-made dual triode preamp tube designed for consistent performance, low noise, and dependable headroom. Favored in guitar amplifiers, hi-fi systems, and studio equipment, this tube delivers articulate response with controlled gain, making it an excellent choice for phase inverter positions, reverb drivers, and clean preamp stages.

Key Features

• Russian-Made Construction - Built for durability and consistent electrical performance across a wide range of applications.
• Balanced 12AT7 Gain Structure - Offers lower gain than a 12AX7, providing increased headroom and tighter response.
• Low Noise Operation - Ideal for critical signal paths where clarity and stability are essential.
• Versatile Application - Well suited for guitar amps, hi-fi audio gear, and professional audio equipment.
• Electro-Harmonix Quality Control - Known for reliability and uniformity in modern vacuum tube production.

Specifications

• Tube Type - 12AT7 / ECC81
• Configuration - Dual triode preamp tube
• Manufacturing Origin - Russia
• Typical Gain Factor - Approximately 60
• Common Uses - Phase inverter, reverb driver, clean preamp stages
• Brand - Electro-Harmonix

Why Choose

The Electro-Harmonix 12AT7EH is a dependable choice for players, technicians, and audio enthusiasts who need controlled gain, clean response, and long-term reliability. Whether upgrading an amplifier or maintaining professional audio gear, this tube delivers consistent tone and performance you can trust.