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ALL TUBE AUDIO Premium Vintage Vacuum Tubes Matched Pair MULLARD 12AX7 ECC83 I63 Gt Brit VACUUM TUBES Test NOS 10.1164 Tube Specifications Model12AX7 ECC83 BrandMullard PlateShort Grey GetterTop O Tube TypeDual Triode VariantI63 Series, IEC Common UsePreamp, Amplifier, Audio Date CodeI63 B5F3 and I63 B5F2 Manufacture DateSeptember 1963 — Mullard Blackburn factory (Blackburn, England) CountryGreat Britain Condition Tests as NOS BoxReproduction Box Test Results
Tester: Hickok TV7
Results: 48/48 and 47/48
Minimum Good Value: 32/32
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: —
