NOS G.E. USA 12AU7A ECC82 AMPLITREX TESTED PLATINUM MATCHED PAIR NEW NOS TUBES

$134.96 Buy It Now or Best Offer
free,30-Day Returns

Seller Store tubemuseumusa
(6083) 100.0%,

Location: Bradenton, Florida
Ships to: US,
Item: 295985916275

Restocking Fee:No
Return shipping will be paid by:Buyer
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
GE:GE
Type:12Au7
Tube Type:ouble-Triode
Product Type:VACUUM TUBES
Characteristics:tubes Low Noise & non-microphonic
12AU7A:12AU7A
Country of Manufacture:United States
MPN:12AU7A
Country/Region of Manufacture:United States
Grading:NOS LOW-NOISE
Test Protocol:Amplitrex AT1000 Advanced Tube Test System

i collection(and my ears) cr Welcome to …TUBEMUSEUM NEW YORK PRICE IS FOR THE BALANCED MATCHED PAIR!Bid one (1) for the matched pair! Always the highest quality. Fast shipment. Safe, protective packaging. A pleasure to do business with. Competent. Trustworthy. Been buying tubes for several years now. Buyer: frankdefreitas (1130)US $249.95New message from: badbusa_2000 (84)Dear Tube Museum, I had these tubes in for a bit now, all I can say is wow! Next level sound indeed, I won’t go into all the details but boy am I glad I purchased them. Phenomenal product and glorious sound. Would buy from again. Thank you.NOS RCA (#233781615969)Buyer: badbusa_2000 (84)US $224.99Past month IMPOSSIBLE TO FIND EXCEPT AT THE MUSEUM!TUBEMUSEUM NEW YORK TUBE MUSEUM QUALITYTROPHY-QUALITY TUBES!”CREAM of the CROP”BEAUTIFUL DELICATE LETTERINGSUPERB NEW OLD STOCK G.E. 12AU7A / ECC82Made in USA by General Electric USA LOW NOISE 12AU7A ALL ARE ACTUAL Pictures of THESE the GE 12AU7A ECC82 CERTIFIED ULTRA-LOW-NOISE SPECIMENS TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. What I like about these tubes is that they have Matched & Balanced Triodes with Uniquely closely Matched Plate-Resistance (Rp) & matched Tube-Gain (Mu) PRECISION TESTEDAMPLITREX AT1000 TESTED:Pair #1: tube 1:2,800 mA/V (127%GM) W0W!2,500 mA/V (113%GM) WOW!tube 2:2,820 mA/V (128%GM) W0W!2,670 mA/V (121%GM) WOW! BALANCED & MATCHED PAIR WITH IDENTICAL CONSTRUCTION! CLOSE AND TIGHT BETWEEN THE TUBES AND THEIR TRIODES!EVERY TUBE’S NOS % GIVEN WITH ACTUAL TUBE MUSEUM PROOF!MOST 12AU7’s BEING SOLD ELSEWHERE HAVE A VERY LOW mA/V / Gm!Don’t take foolish chances with Other offers with weak 50% TO 70% EMIS (mA/V) Gm, if lucky!There is a GANG of tube seller’s on eBay with used product that advertise as “STRONG” with meaningless numbers and when you test their tubes they are weak!Only BUY THE BEST Tube Museum Tubes … NEW IS NEW IS NEW!NEVER-USED REAL NEW OLD STOCK! These tubes all have VERY HIGH mA/V which is really important to insure a LONG-LIFE of your other tubes! Did you know that weak preamp tubes put an unnecessary strain and SHORTEN the LIFE of you other tubes in the circuit? If you want the “CREAM OF THE CROP” the BEST there can be, this is it.TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. Bid one (1) for the matched pair! TESTED AT REAL-WORLD POWER LEVELS ON AMPLITREX AT-1000 in Fixed-Bias Mode Tested on Amplitrex AT1000 Digital Tube Test System …” * Rp or plate resistance is the second most important parameter as it directly affects the output impedance of the preamp. Circuit designers are looking at Mu primarily, Rp next and we hardly care about Gm at all. Why then do most vendors measure Gm and Gm alone? Because most testers only measure Gm! No commercial tester ever measured Mu either (until the AMPLITREX AT1000 was introduced.) And even the Hickock, treasured for measuring Gm, doesn’t measure it meaningfully (due to current dependency), accurately (due to calibration difficulties) or consistently (due to internal circuit drift).'”… This tube is known for excellent performance, smooth highs, outstanding 3-D holographic soundstage, lots of open-air, inner detail, and overall perfect resolution and balanced sound. Terms of Sale PRICE IS EACH PAIR! Bid one (1) for the matched pair!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.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. 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 CONFIRMATIONDEPENDING ON YOUR COUNTRY’S MAXIMUM INSURANCE RULES “PRIORITY or EXPRESS SHIPPING” may be required for certain countries, U.K.,Italy, Russia, Indonesia, Australia, Pacific Rim, and others.(Please kindly ASK before you bid or we reserve the right to cancel your bid)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. Visit this seller’s eBay Store! TUBEMUSEUM NEW YORK PayPal Welcome! NOTICE: All text & images © 2002-2023 Copyright © of The Tube Museum New York ©All Rights Reserved By entering this site you are agreeing to be bound by the terms of this agreement. All photographs and text appearing in the Tube Museum New York (TubeMuseumUSA) site(s) are the exclusive property of The Tube Museum New York © (except where stated otherwise) and are protected under international copyright laws and treaties. They are made available for your personal viewing enjoyment only. No images or unique text are within the Public Domain. The photographs and text may not be copied, reproduced, redistributed, manipulated, projected, used, or altered in any way without the prior express written permission of The Tube Museum New York ©. The unauthorized reproduction or distribution of a copyrighted work, pictures, and text is illegal. Criminal copyright infringement, including infringement without monetary gain, is investigated by eBay and appropriate action will be taken. Make sure your listing follows these guidelines. If it doesn’t, it may be removed, and you may be subject to a range of other actions, including limits of your buying and selling privileges and suspension of your account. If you’re not using pictures or text from the eBay product catalog, you should use your own when creating a listing. If you’re using someone else’s photos and text, make sure you have permission from the rights owner or creator.

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