Tests good on our Amplitrex AT1000. This tube came from a private tube collector who had this in home climate controlled home studio likely for the past 10-20 years.
**Check out the pictures to make sure you like it. Pictures are of actual item for sale** **We have a large collection of tubes coming for sale, please check out our other listings**
***No guarantee (for the sound/hum etc.) for vintage old tubes (some now 50-70 years old) and no warranty or discussion about results of other tube-tester (all testers / countries / voltages can yield different results). There is no warranty or returns based on what any other tube tester reports.***
Flat rate shipping in the USA. Discounted international shipping flat rate.