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TUBEMUSEUM NEW YORK
..."Phenominal >100% Matched Pair"...
THE "PERFECT BLACK-PLATE 1950's
RCA 12AU7/ECC82 Pair"
AUTHENTIC 1950's Amplitrex AT1000 TESTED RCA 12AU7 MATCHED PAIR TUBES
12AU7 = ECC82 = 7030
EXCEPTIONALLY HIGH TESTING
RCA USA 12AU7 BLACK-PLATES!
TROPHY-QUALITY MATCHED PAIR TUBES!
TESTED in the Amplitrex AT1000 "FIXED-BIAS" MODE,
the most exact and conservative testing protocol!
12AU7 FACTORY SPECIFICATION is 10,5mA/10,5mA for 100% mA.
Very Rarely ALMOST NEVER do you see 10,0mA and ABOVE 100% mA!
Most OTHER tubes being sold ELSEWHERE only have an average 6,5mA or 75%!
RARE OPPORTUNITY TO HAVE THE "BEST of the BEST" TUBES
FEATURING:
- THICK HEAVY GLASS ENVELOPES
- LONG approx. 18mm to 19mm "BLACK PLATES!"
- HIGHEST-ECHELON RARE SPECIMENS!
- BLACK-LONG-PLATES with D-GETTERS!
- RARE ANGLED / D - SQUARE GETTERS
- WELDED "D" GETTER LONG-PLATES
..."BETTER SOUNDING WITH MORE TONAL SENSITIVITY THAN TELEFUNKEN ECC802S (A PAIR THAT COSTS 5-TIMES MORE EXPENSIVE) WHICH ARE NEUTRAL, FLAT, NO TONE, AND COMPRESSED SOUNDING IN COMPARISON! "...
..." WITH EVERY BASS, MIDRANGE AND TREBLE INCREMENT STEP ON YOUR PREAMP YOU CAN REALLY HEAR THE DIFFERENCE IN TONAL CHANGE WITH THE 1950's RCA -D-GETTER LONG-PLATE 12AU7 TUBES! "...
..."Hello.... I received these tubes and what will I say? ...they are incredible, so phantastic!!! "...Martin
10 have already sold and most tubes left have smeared or missing print! The prices have been adjusted down to reflect the insignificant cosmetics blemishes!
..."Apron. Sixty-Six (66) Year Old tubes and still testing Exemplary and performing exceptionally! THEY JUST DON'T MAKE TUBES AS GOOD AS THESE ANYMORE, haven't come even close to the RCA made in USA 12AU7 D-GETTER low-noise "A" Version with ANY new-production 12AU7's, the RARE-EARTH METALS and superior production RCA TOOLING-MACHINES just aren't environmentally allowed or available anymore! "...
REAL 1950s RCA LONG-PLATE 12AU7 TUBES
FEEDBACK: Fantastic!!!! Great tubes . Test on my tester matched test sellers data . 馃憤
AVAILABLE! TESTS ABOVE 100%
Sixty-Six something (66+) Year Old tubes and still testing exemplary!
TESTS: 2,200 /2,200 mA/V
10,5mA/10,5mA WOW! (+/- 5%)
TESTS OVER 100% mA emissions
(10,0mA / 10,0mA = 100%)
(> 100%/100%) WOW!
(2,000/2,000 = 100% factory Specification with D-Getters)
These tubes were tested on the Amplitrex tube-test system
10 have already sold and most tubes have smeared or missing print. The prices have been adjusted down to reflect the insignificant cosmetics blemishes!
MADE IN USA by RCA in the 1950s
TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be.
IMPORTANT! zero (0) Heater-to-Cathode leakage
MUSEUM-CERTIFIED
- serving as a desirable QUIET "A" VERSION ECC82 = 12AU7 tube; representing the best of its kind.
Excellent performance, smooth highs, Phenomenal -Tone
Tested in the true 12AU7 Amplitrex AT1000 500-VOLTS D.C. settings!
MADE IN USA TUBES!
TESTED AT REAL-WORLD POWER LEVELS ON HICKOK 533 & AMPLITREX AT-1000
Terms of Auction
10 have already sold and most tubes have smeared or missing print. The prices have been adjusted down to reflect the insignificant cosmetics blemishes!Other pairs are available on eBay upon request.
We do not low declare customs amount and we insure for full value.
International Buyers - Please note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyer's responsibility. Please check with your country's customs office to determine what these additional costs will be prior to bidding or buying.
International Shipping - items may be subject to customs processing depending on the item's declared value.Sellers set the item's declared value and must comply with customs declaration laws.
- import duties and taxes which buyers must pay.
Per eBay's terms of service which every eBay account holder must agree to as part of being an eBay member, a bid is a legally binding contract. Please read the Terms & Conditions carefully before bidding. By bidding on this auction, you understand and agree to eBay's terms of service as well as all terms and conditions mentioned here.
Buyer pays all shipping, Item must be in original condition including cosmetic lettering on tubes so handle with white-glove care, un-used with all original boxes, packing material, environmentally safe cornstarch pellets, and shipping box. Absolutely NO RETURNS on special orders or best-offer deals. All sales are final with NO RETURNS on self installed mic tubes.
All exchanges must be pre-paid and returned in original packing, complete with no sign of wear or abuse, exactly the same condition as it was when you received it. In the event that the product is not in the same condition, and does not test the same as you received it, you will be subject to a refusal and return, a determined restocking fee, repair charge, or disqualification. RETURN AUTHORIZATION (RA) number and instructions is required before sending any items. Shipping and handling charges are non-refundable.
We do not guarantee that your tester, or your tester's measurements will be the same as the Amplitrex AT-1000. Older testers, different testers, or the same tester may report different test measurements, and may not measure the same tube meaningfully (due to current dependency), accurately (due to calibration difficulties) or consistently (due to internal circuit drift) There is no warranty or returns based on what any other tube tester reports.
THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION
THE COST OF ALL USA SHIPPING INCLUDES INSURANCE, TRACKING NUMBER AND DELIVERY CONFIRMATION
No zero (0) status bidders without permission, or we reserve the right to cancel your bid. Buyer is responsible for all import duties at price paid for item(s).
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TUBEMUSEUM NEW YORK
TUBEMUSEUM NEW YORK
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