Description
Matched Pair NIB NOS Strong tested Black Glass GE 25L6GT Tested on Hickok 539C tester Date code Normal test Note: Life test (at reduced filament voltage 20VAC) low "drop" means a NOS tube. These are very good and well-matched. Results: 10250/10300 113% 114% #1 / #8 10250 at 23.9ma* ** 10300 at 22.2ma* Life test: 9750 ** 9750 Your tube(s) will be shipped withing 5 business days, usually faster by USPS First Class Package with tracking number. I'll combine shipping and provide refund of extra shipping charges. Thank you!