I have 5 of these available made from the same bathch. This auction is for 1. The product is a new old stock (NOS) Philips 12AX7A vacuum tube with original box. This vintage electronics item is a sought-after piece for collectors and audio enthusiasts looking to restore or repair vintage audio equipment. The tube is known for its high-quality construction and performance, making it a valuable addition to any vintage audio setup.
Triple Platinum Matched on Amplitrex AT1000. Amplitrex AT1000 Test Results 90%+ GM = Within NOS Specs 90%+ EM = Within NOS Specs. All tubes are tested with the Audiophile in mind for SHORTS, GAS, MUTUAL CONDUCTANCE and NOISE (large tube lots are not tested for noise).
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
Test results on your tester will NOT be accepted as evidence of defect ive product.
Manufacturer: Sylvania (Made in U.S.A.). Date of Production: October 1967. They are sold as-is, exactly as pictured. Two boxes are stamped with a manufacture date code of 10-12-67 and one with 10-3-67.