This MicroZOTL Preamplfiier Level 3 - was built in September 2025 as an inventory demo unit.

It is current production and like-new cosmetically.

If you would like to upgrade to Ray Reserve 6SN7 tubes, please contact us after purchase for a special price.

It comes with the full three-year warranty on the amp, and one-year warranty on the tubes.

For more information and full specs, see the main MicroZOTL Preamplifier page.