![Groove Tubes GT-12AT7 Select Vacuum Tube 5550112400](http://www.visionguitar.com/cdn/shop/products/12at7_512x.jpg?v=1571709153)
$29.99
Groove Tubes GT-12AT7 Select Vacuum Tube 5550112400
Groove Tubes
These pass every Groove Tubes premium certification for microphonics, hum, physical characteristics and function. Quite simply the best 9-pin triod...
View full details
$29.99