The Groove Tubes GT 12AX7 / ECC83-S Preamp Tube/Valve boasts premium certification for microphonics, hum, physical characteristics and function, while offering high output performance.

Designed and tested specifically for musical instrument amplification, this nine pin triode preamp tube provides you with outstanding and consistent performance for mixing and matching, enabling you to get a signature tone from your amp. As their highest gain preamp tube, it offers you lots of gain, with a high output that makes it a great choice for driving modern, complex high gain circuits. It has a tight, strong and relatively bright tone that can liven up a weak sounding old amp or a new amp with lesser quality stock tubes. When relying on tube amps for your sound, this professional grade preamp tube gives you the confidence to hit the road.

Made in Slovakia to the highest exacting standards and loved for their quality and tone, the GT 12AX7 / ECC83-S Preamp Tube/Valve carries their ‘Premium’ certification, as evidenced in red lettering on the face of the tube.

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