(5) pack of JAN Sylvania 7308 pre-amp tubes from 1971. All are NOS/NIB. Tested on calibrated Hickok 539C and op checked for noise and microphonics in a working amp. Min transconductance is 7000 mmhos for this tester.
Readings are supplied on the boxes, on stickers.
Price is $45.00 per tube.
Payment by Personal Check w/hold, MO (preferred), Cashiers check. PayPal “Gift” or PP + fees. Shipping is by USPS Priority Mail. Very well packed. Buyer pays Shipping/Insur.
Contact me if interested. email@example.com
Thanks for looking!