Beautiful Condition Pair of Tubes that seem unused. Both test strong and have completely matching date codes as well as the JA production stamp.
Item Tag: RCA
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2 x 5814A (12AU7) RCA Tubes*Very Strong Matched*Mica-Black-O*Command Type* #10
2 x 5814A (12AU7) RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. What were your tubes tested at?.
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2 x 5814A (12AU7) RCA Tubes*Super Strong Pair*Black-O*NOS_NIB* #R5
2 x 5814A (12AU7) RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester. NIB = boxes may be tattered. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
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1 x CRC-5814A(12AU7) RCA Tube*Black Plates-O*Very Strong Testing*Command*#2
Tested on enhanced Triplet E3444 Laboratory Tester by Paul Hart of Roswell Ga. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable. 1 x 5814A-12au7 RCA Tube.
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5 Nice Tested RCA 5814A (12AU7) Vacuum Tubes
1 LOT OF 5 EACH RCA 5814(A) TUBES. TESTED STRONG TV7D (90+ MIN).
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2 x 5814A (12AU7) RCA Tubes*Super Strong Matched*Black-O*MEATBALL*NOS_NIB* #R3
2 x 5814A (12AU7) RCA Tubes. Tested on Enhanced Triplet E3444 Laboratory Tester. NIB = boxes may be tattered. Tubes may also be operated under the test conditions for extended periods to be sure that it is stable.
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Matched Pair of RCA JRC 5814A/12AU7/ECC82 Vacuum Tubes : Black Plate
Matched Pair of RCA JRC 5814A/12AU7/ECC82 Vacuum Tubes. Up for sale is aMatched Pair of RCA JRC 5814A/12AU7/ECC82 Vacuum Tubes. (Minimum is 56 for 12AU7). Model : JRC 5814A/12AU7/ECC82. I tested tubes on my TV7B/U tube tester.
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12AU7 6189 5814a – VINTAGE TUBE – RCA, Sylvania, Raytheon, GE ETC. – ALL TESTED
PRICE IS FOR ONE TUBE, MANY ARE AVAILABLE. WILL TRY TO ACCOMMODATE REQUESTS FOR SPECIFIC BRANDS, PLEASE UNDERSTAND AS THEY SELL SOME MAY NOT BE AVAILABLE. PLEASE BE AWARE THAT THE PICTURE MAY NOT HAVE THE TUBE THAT YOU ARE PURCHASING, WE ARE ALWAYS ADDING NEW INVENTORY. ALL ARE GOOD, QUALITY TUBES, WITH PLENTY OF LIFE LEFT! Many Black Plate, Triple Mica, D Getters, superb audio tubes. ALL TESTED ON A TV7, BK 606 OR SENCORE MIGHTY MITE TUBES ARE GUARANTEED VINTAGE, NO RE-ISSUES, ALL ARE ORIGINAL VINTAGE VACUUM TUBES TESTING STRONG. ————–
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RCA 12AX7 Black Plate “Tung-Sol” NOS/NIB MaxiPreamp2/TV7 Tested (1)Tube Lot
I test all tubes thoroughly and with great care. I test to the best of my ability, and I report all results honestly.