1 x 12AT7 Tung-Sol Tube
Made in USA
Tested on enhanced Triplet E3444 Laboratory Tester
4700/4730 micromhos @ 8.4 & 8.8 mA
Bogey(100%) = 5000/5000 micromhos @ 11.0/11.0 mA
***Ask any questions before buying,not after***
S&H to China,Italy and a few other countries will require a Tracking # and will cost a minimum of $31,depending on weight.