NOS 1963 RCA 12AX7A. THESE ARE THE "TOP RCA 12AX7A TUBES ANYWHERE"." - Tube Museum New York. (OLDER 1963 RCA PRINT STYLE CONDITION AS DISPLAYED). MATCHED BALANCED NOS PAIR! Made in the U.S.A. in 1963.
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Red tip: Low-gain tube for microphone or line-level inputs (around 100x gain). Tests NOS minimum 32. NOS is subject to interpretation and there is no specific definition for it either. There are suggestions and opinions.
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I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.
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Single NOS GE 12AX7A/7025 tube, with original box and from an original factory crate, all dated "CG" (Jan 1985). Never before opened! Sale is for one tube, but many are available. Select the quantity desired from the drop down box.
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7025 = 12AX7A = ECC803S. serving as a desirable ECC83 = 12AX7A tube; representing the best of its kind. THE "PERFECT 1961 RCA REAL 7025 = 12AX7A/E83CC/ECC803S". AUTHENTIC 1960'S Amplitrex AT1000 TESTED RCA 7025 SINGLE TUBE.
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CV4004 ECC83 12AX7 Mullard Mitcham. Test results This Valve. IA.88 GM: 1.4.
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HERE IS A NICE PAIR OF MULLARD ECC82/12AU7A VACUUM TUBES. THESE TUBES BOTH TEST AT 100% FOR EMISSION ON BOTH TRIODES WITH NO SHORTS OR GRID LEAKAGE. TESTED ON A B&K 600 TESTER. ETCHED CODES ARE GF2/B501 AND GF2/B0J4. 1960 AND 1965 VINTAGE. BOTH MADE IN BLACKBURN UK. GRAY PLATES AND TOP MOUNTED HALO GETTERS. ONE HAS SILVERTONE LOGO. OTHER HAS GE LOGO. GREAT AUDIOPHILE GRADE PREAMP TUBES. DON'T MISS THESE! BUYER PAYS SHIPPING.
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This tube is in perfect new condition. This tube is new. WE HAVE NO FACILITIES FOR COLLECTION.
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