When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.
ALL TUBE AUDIO Premium Vintage Vacuum Tubes Matched Pair MULLARD 12AT7 ECC81 tk3 Gt Brit Vintage VACUUM TUBES Tested 10.1248 Tube Specifications Model12AT7 ECC81 BrandMullard PlateShort Grey GetterTop O Tube TypeDual Triode Variant— Common UsePreamp, Oscillator, Amplifier, Audio Date Codetk3 B7F2 and tk3 B3E2 Manufacture DateJune 1962 — Mullard Blackburn factory (tk3 factory/type code, B7F2 = 1962 week 27, B3E2 = 1962 week 23) CountryGreat Britain ConditionTested Strong BoxReproduction Box Test Results
Tester: Hickok TV7
Results: 76/76 and 80/80
Minimum Good Value: 50/50
ALL TUBES ARE TESTED WITH RECENTLY CALIBRATED PROFESSIONAL TESTERS.
Notes
No additional notes.
Shipping DomesticUSPS Ground Advantage — $8.00 InternationalUSPS First Class Intl — Small — $22.00
Free Combined Shipping for all USA Buyers. Buy As Many Tubes As You Would Like and Pay Only the First Shipping Fee.
Why Buy From All Tube Audio?
Every tube individually tested before listing - Accurate, honest grading — no surprises
- Careful, secure packaging on every order
- 1 business day handling — fast dispatch
- 30-day returns accepted
- Happy to answer any questions
Listing ID: —
