The is a relatively new unit that was built in 2024 and comes with Gold Lion KT77 or Ray EL34 SELECT tubes.

There are a few blemishes here and there, notable in the front top right corner.
It comes with the full three-year warranty on the amp, and one-year warranty on the tubes.

Serial #: 101

For more information and full specs, see the main Z40+ Integrated product page.