Description
Tested Trio of 12AU7 GE Audio Receiver Vacuum Tubes Made in the USA 14mm gray box pinched plates, two spacers, copper rods, D type wire getter frames and top getter flashes Please review the photos for more detail Excellent strong balanced test results for Gm: 1.9 / 1.9, 1.9 / 1.87 and 1.95 / 2.0 For Gm, 1.3 is the suggested minimum value No shorts. For reference we used a calibrated Triplett 3444A Tester Estimated delivery within the USA is from 3 to 7 business days Our standard service is USPS 1st class We combine shipping when applicable Please contact us with any questions