Groove Tubes 12AX7 ECC83-S

The GT-12AX7/ECC83-S tubes exceed all Groove Tubes’ premium certifications for microphonics, background noise, physical characteristics, and performance. Simply put, they are the best triode preamp tubes with 9 pins you can buy. These tubes have been designed and tested in high-performance musical equipment. Naturally, thanks to their excellent performance and sound, they are the top choice for Fender amplifiers. With their consistent tone, they provide an excellent solution for equipping or even combining with other preamp tubes in your amplifier to achieve a personalized sound.

These preamp tubes offer the highest gain available from Groove Tubes. Therefore, they are perfect for use in modern, complex high-gain amplifiers. Their sound is powerful and punchy. Additionally, thanks to their bright tonal response, they can be a great option to bring a fresh sonic character to vintage amplifiers. They are also ideal for enhancing the sound of a new amplifier by replacing the stock tubes.

• 9-pin triode design
• Perfect tubes for modern high-gain amplifiers
• Highest gain preamp tubes produced by Groove Tubes
• Especially bright response, ideal for achieving a new amplifier tone
• Made in Slovakia

About Groove Tubes

Groove Tubes is a renowned brand specializing in manufacturing tubes for guitar amplifiers. With a long-standing presence in the music industry, Groove Tubes is known for the quality and reliability of its products, used by prominent musicians worldwide. Their tubes are celebrated for delivering a warm, rich, and authentic sound, making them a popular choice among tone enthusiasts.