Two GE 12AY7 tubes

Tubes test 1400, 1740 and 1400, 1300 where 1105 micromhos is pass/fail grade

Made by GE in USA

Both internal construction identical

One labeled as JG (military)

Matched 188-5 factory codes

Ribbed grey plates

Double mica

45 degree angle D Getter / BIG tilted D getter

Original boxes included with test result

printout enclosed on each box

Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode)

NO SHORTS / ZERO GAS

USA Shipping free priority or ground advantage

International shipping = UPS or FedEx 7-10 day delivery signature service delivery depending on your country

*In photos, I use both camera flash on and camera flash off to show all detail*