3 NOS SYLVANIA 6SN7-GTB CHROME-TOP MATCHED TRIO BLACK PLATE TIME-CAPSULE QUALITY

$269.92 Buy It Now or Best Offer
free,30-Day Returns

Seller Store tubemuseumusa
(6083) 100.0%,

Location: Bradenton, Florida
Ships to: US,
Item: 296610254118

Restocking Fee:10%
Return shipping will be paid by:Seller
All returns accepted:Returns Accepted
Item must be returned within:30 Days
Refund will be given as:Money back or replacement (buyer’s choice)
SYLVANIA:SYLVANIA
Type:6SN7-GTB
Year Made:1960’s USA
6SN7-GTB:6SN7-GTB
Country of Manufacture:United States
MPN:Does Not Apply
Country/Region of Manufacture:United States

Visit this seller’s eBay Store! TUBEMUSEUM NEW YORKNOS Vintage Time Capsule Tubes!THE ORIGINAL Historic TubeMuseum, Tuxedo Park, New York Established in 1928 as a premier research facility in Tuxedo Park, New York, that attracted such brilliant and most visionary minds of the twentieth century – Albert Einstein, Werner Heisenberg, James Franck, Niels Bohr and Enrico Fermi to name a few. The Tuxedo Park lab attracted these top-flight scientists who experimented with audio, sound, time measurement, and radar (first klystron tube). Welcome to the … TUBEMUSEUM NEW YORKFOR A MATCHED TRIO! TIME-CAPSULE QUALITYREAL New-Old-Stock SYLVANIA USA Made in USA in 1950’s-60’sUNSOLD DECADES OLD NOS TUBES!NEW OLD STOCK CHROME-TOP 6SN7-GTBBALANCED MATCHED TRIO ( 3 TUBES )The GTA is for the up-rated plate dissipation, and GTB adds a 10.5 second controlled heater warm-up characteristic which makes the GTB especially suited for amplifier receivers which employ series connected heaters. Don’t believe everything you read on the internet! BOTH the GTA and GTB are Electrically and Physically the same with DC Plate Voltage of 450 VOLTS. You can run them together w/o problems, and no apparent sonic differences! LIMITED QUANTITY – PRINT WILL VARY AS THIS IS A MULTIPLE ITEM LISTINGTUBES! @ 3,000/3,000! +/- WOW! THAT’S AVERAGE 115%/115%+/- TIME-CAPSULE MUSEUM-QUALITYSYLVANIA 6SN7-GTA MATCHED TRIO!Dual Triode Perfect ELECTRICAL Single Tube Sub-bass (10Hz – 60Hz) CHECKED & PASSED Mid-bass (80Hz – 200Hz) CHECKED & PASSED Midrange (200Hz – 3,000Hz) CHECKED & PASSED High-frequencies (3,000Hz on up) CHECKED & PASSED TRIANGLE “V-SHAPED” BLACK-PLATES CHROME-TOP-SQUARE-GETTER BID IS FOR A TRIO! with “V” Black Plates and Beautiful Full Chrome Tops pouring over the tops like chrome lava Recommended for: – Mikhail Rotenberg’s Singlepower Audio massive SDS XLR amplifier.- Atma-Sphere P1 – Cary Audio SLP 05 REAL TIME-CAPSULE N.O.S. OLD WORLD USA AUDIO TUBES WITH EXCELLENT VACUUM AND TEST RESULTS MUSEUM-CERTIFIED AMPLITREX TESTED! LIMITED QUANTITY Superior BLACK-PLATES with CHROME-TOPS designed for critical applications where 10,000 hour life, close triode section balance, rigid construction and stability are required. Mikhail Rotenberg’s Singlepower Audio massive SDS XLR amplifier. Cary Audio SLP 05 Cary SLP 88 – Cary 805M amps – Cary 300 SEI – Mastersound 845 monoblock 2008 – Audio Note M2 preamp – Aesthetix 10,000 hour low noise Matching Platinum TRIO (3-TUBES) for a 6SN7 CLASS PREAMP WITH TEST MEASUREMENTS LISTED BELOW OF THE TUBES YOU WILL RECEIVE BEAUTIFUL LIQUID-CHROME SONIC HOLOGRAPHY …”Best described as having a euphonic sonic signature… Pervasive tube warmth that blankets the midrange irrespective of the program material falls in this category, and has proven to be a siren call for many 6SN7-GT tube-o-philes. Overly liquefying harmonic textures make these tubes a real keeper”….. Rarely do you see such a fine tube TRIO with THICK-MASSIVE-CHROME-TOPS and Perfect Specifications: TRIO 1 (AVAILBLE!)Tube # 1: 2,800/2,800 GM 107%/107% = >100%)Tube # 2: 2,800/2,800 GM 107%/107% = >100%)Tube # 3: 2,800/2,800 GM 107%/107% = >100%) …”Pure MAGIC. metamorphoses into a sonic-tapestry of pure sonics – ethereal listening to absolute music, as if the amp is not even there. too perfect for this world! prepare to leave your body and forget the past or future.”… – TubeMuseum Sonic Feedback Superior designed for critical industrial applications where 10,000 hour life, close triode section balance, rigid construction and stability are required. 6SN7GT BLACK-PLATES the BEST SOUND YOU CAN GET! Superior BLACK-PLATE designed for critical industrial applications where 10,000 hour life, close triode section balance, rigid construction and stability are required. PASSED THE AMPLITREX DIGITAL TESTS = NO HEATER-TO-CATHODE LEAKS!Low-Noise Tested Microphonic FreeNo H-to-K Leakage (Heater-to-Cathode) No leaks (0) zero!Actual tube was tested on the AMPLITREX AT-1000 Electron Tube Test System CERTIFIED ULTRA-LOW-NOISE MUSEUM SPECIMENS TubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. Terms of AuctionBid one (1) for the NOS MATCHED TRIO (YOU GET 3 TUBES)!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. We do not low declare and we insure for full value.MAXIMUM INTERNATIONAL PURCHASE IS 1 TRIO (3 tubes) PER ORDER. IF YOU ORDER MORE THAN 2 TRIO’s, YOU MUST START A NEW SEPARATE ORDER DUE TO THE PACKAGE WEIGHT AND ASSOCIATED HIGH COSTS OF INSURED INTERNATIONAL SHIPPING.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 RETURNS that show signs of wear, or has been installed subject to a 15% return-charge. 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 Visit this seller’s eBay Store! TUBEMUSEUM NEW YORKBID 1 FOR TRIO of these RARE Phenomenal TUBES!phe·nom·e·nal/fəˈnämənəl1. Very remarkable; extraordinary.2. Perceptible by the senses or through immediate experience. NOTICE: All text & images © 2002-2024 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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