Amplitrex at1000 tested
These are the best 12au7 tubes I have tested. Minimum all test between 100% and 109% all within 5% match
You will get 2 nos testing close match tubes!
Vintage Sylvania 12AU7 PLATINUM GRADE Preamp Tubes Matched Pair 100% + NOS
$25.0
Brand
SYLVANIA
Type
Vacuum Tube
Model
12AU7A
Country of Manufacture
United States
Country/Region of Manufacture
United States
Modified Item
No
condition
Used