• True bypass using a mechanical relay
• Dual vacuum tube preamp dedicated to a true tube overdrive
• Supplied with two Electro-Harmonix 12AY7 tubes
• Substitute Electro-Harmonix 12AX7 for more gain/distortion
• Substitute Electro-Harmonix 12AU7 for less gain/distortion
• Experiment with different tube combinations for entirely new tube drive sounds
• Does wonders for any amp
• Award winning pedal that really gives you the English tube amp sound
• 12AC-1000 power supply included

If you decide an product is not suitable within 14 days of delivery, you can return it to us for a replacement or refund. Returns must be unused and in their original, undamaged packaging.

Some items are excluded from our money back guarantee:
- Computer software that has been unsealed or registered
- Any item that comes directly into contact with the nose, ears or mouth

To arrange a return, just contact our customer service department on 020 7424 2800 or via our customer support form.