Groove Tubes' highest-gain preamp tube, this tube has a huge amount of gain, with terrific 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 really liven up a weak or tired old vintage amp or a new amp with stock tubes.
- 9-pin triode design
- Perfect for modern, high-gain amp circuits
- Highest gain preamp tube offered by Groove Tubes