Total of 6 external controls, and 1 internal control for the ultimate flexibility:


1. Gain control with unique taper to provide excellent control over overdrive.

2. High/Low balancing control tone control

3. Volume Control with output up to 15Vpp with correct power supply!

4. New dedicated midrange control

5. External character control for adding 'momentum' to guitar notes, or keeping things tight

6. External brightness control for top end content, and to help match to different amps.

7. Internal presence control to further help dial in the Tube Zone's tone.
8. Single ended class A output.
9. Ultra-bright blue LED.
10. Striking chrome plated case and knobs.