$224.95 Buy It Now or Best Offer
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Seller Store tubemuseumusa
(6083) 100.0%,

Location: Bradenton, Florida
Ships to: US,
Item: 294009817679

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)
Voskhod:Voskhod
Type:NOS Tube
SERIES:6922 BEST GRAY-SHIELD
6922:6922
MPN:6N23P
Country/Region of Manufacture:Russian Federation

USPS ALERT: Due to measures aimed at minimizing spread of the C-19, Russian Post is unable to guarantee compliance with delivery standards and is invoking a situation of force majeure with regard to quality of service and remuneration for all categories of mail items until further notice. Visit this seller’s eBay Store!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 waves. He turned this Tuxedo Park laboratory into a meeting place for the most visionary minds of the twentieth century; Albert Einstein, and the aforementioned scientists. Today this location is the home of The Tube Museum New York. from Wikipedia® Welcome to the … TUBEMUSEUM NEW YORK FeedbackFromWhenGreat seller, tubes exactly as described. Thanks! A+++Buyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) Fast shipping! Excellent and great sounding tubes!Buyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) FeedbackFromWhen!00% good experience.Buyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) FeedbackFromWhenGood Description, Price, Shipping, RecommendedBuyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) EXTRORDINARY NOS MATCHED PAIR”SNOS” = Select New Old Stockwith TEST RESULTS TO DIE FOR!RARE CODES :PAIR 1: “XII-75” and “IV-76″PAIR 2: “IV-76” and “VII-77″6N23P / 6H23N / 6922Single-Wire Solid HaloVoskhod 6N23P Gray Shield SWGP…”VOSKHOD 6922 High-Current Handling Capacity LONG-LIFE SURE SURVIVORS for those “tube-eater” preamps!”… NOS 1970s-80s BALANCED MATCHED PAIR1975 was NOT some MAGICAL-YEAR!…”You think that 1975 was some magic year for these, based on some bogus internet review or some other seller’s stock that he wants to unload? I read that bogus review myself and laughed! How can anyone think that one year 1975 is some Holy-grail year? Do think it’s a bottle of wine where the climate of a certain year produced better grapes? There is NO difference in these tubes made during the same decade or so from one another as long as they All have the same identical inner construction – no difference. You have to judge any tube by how it accuratly tests, quiet performance and sound period! “… . All Pictures and Test Results are from the pair you will receive.GRAY-PLATES RARE CODES From my post on the Head-Fi Lyr tube rolling blog: All Voskhod Rockets 6n23p Kaluga factory: These tubes were manufactured by the VOSKHOD (SPACECRAFT), Kaluga Russia Military Factory. Why buy from seller’s who don’t show you what you are really buying?With Tube Museum Tubes you know what you are buying! PAIR 1: 1975/1976Tube 1, Side 1: 118%mA & 109% GMTube 1, Side 2: 116%mA & 100% GMTube 2, Side 1: 116%mA & 100% GMTube 2, Side 2: 128%mA & 116% GMRARE CODES “XII-75” and “IV-76″These specimens are the “Best of the Best” selected for matched mA & GM within the pair.PAIR 2: 1976/1977 Tube 1, Side 1: 118%mA & 115% GMTube 1, Side 2: 112%mA & 105% GMTube 2, Side 1: 114%mA & 107% GMTube 2, Side 2: 111%mA & 113% GMRARE CODES “IV-76” and “VII-77″These specimens are the “Best of the Best” selected for matched mA & GM within the pair. Pair 3,4,5,& 6 are also gray-plates with later-date codes to be announced. You simply don’t find 6H23N (6N23P) tubes testing so HIGH!Most bargin-priced 6N23P tubes sold elsewhere suffer from Heater–Cathode Leaks, so you get what you pay for. IT TOOK 24 TUBES TO FIND THESE 4 TUBES FOR 2 MATCHED PAIRS!We have weeded-out any tubes with H-to-K leaks! DIRECT “DROP-IN” REPLACEMENT FOR 6DJ8 = ECC88, 6922 = E88CC.- Recommended inFor the ARC the only safe option is the Russian 6H23П the Audio Research SP10 is notorious, as is the Audible Illusions Modulus 3, PS Audio BHK 250 ,in running the tubes at high current. The only sure survivors seems to be the Russian 6H23N having a ratings for current handling capacity. THESE MATCHED PAIRS ARE WAY “ABOVE” THE FACTORY mA & mA/V PERCENTILE – WHICH IS WITH IN FACTORY DESIGN-CENTER DATA-SHEET SPECIFICATIONS AS FOLLOWS:6N23P, 6N23P-EV (6H23n, 6H23n-EB) General Double triodes, used as an wide band HF power amplifier and oscillator. Envelope: glass. Mass 16 g. Type 6N23P * 6N23P-EV Filament (heater) current, mA 310±25 310±25 Anode current, mA 15±5 15±5 Reverse grid current, mkA £0,2 £0,15 Dissipate cathode-heater current, mkA £15 £15 Mutual conductance, mA/V 10-12.7 12.5±2.5 * 6N23P mA = 15 plus or minus 5mA ( 10mA to 15mA = 100% Factory Spec.) * 6N23P mA/V = 10 – 12.7 ( 10mA/V (GM) to 12.7mA = 100% Factory Spec.) NOS from 1975 & 1976 – Made up to Forty-Six (46 Years) ago! You simply don’t find these tubes testing so HIGH!THESE ARE THE GOLD-STANDARD OF 6N23P Why buy from seller’s who don’t show you what you are really buying?With Tube Museum Tubes you know what you are buying! Tube 1, Side 1: 118%mA & 109% GMYou simply don’t find these tubes testing so HIGH! Tube 1, Side 2: 109%mA & 107% GMYou simply don’t find 6H23N (6N23P) tubes testing so HIGH! Tube 2, Side 1: 116%mA & 100% GMYou simply don’t find 6H23N (6N23P) tubes testing so HIGH! Tube 2, Side 2: 128%mA & 116% GMYou simply don’t find 6H23N (6N23P) tubes testing so HIGH! You simply don’t find 6H23N (6N23P) tubes testing so HIGH! CHOOSE WISELY!IN A WAY THAT SHOWS EXPERIENCE, KNOWLEDGE, AND GOOD JUDGEMENT.Question? Which Version Should I Buy?Choose Wisely with VOSKHOD “Single-Wire Solid Halo” 6N23P (6H23N in Cyrillic), and not the other versions. CERTIFIED LOW-NOISE MUSEUM SPECIMENSTubeMuseum tested tubes takes the guesswork out of the process of selection delivering you the best Audio tubes that there possibly can be. ACTUAL POSITIVE-FEEDBACK ABOUT OUR RUSSIAN TUBES: FeedbackFromWhenAs described, promptly shipped. A+++++Buyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) FeedbackFromWhenReceived very quickly extremely well packaged. Tubes exactly as shown.Buyer During past month 6N6P 6H6N Amplitrex Matched PAIR w/ GOLD GRID-POSTS two tubes for BAT Tenor 75wi (#291771739118) Terms of AuctionYOU WILL RECEIVE SNOS (SELECT NOS)MATCHED PAIR (2 TUBES)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 CONFIRMATIONADD JUST $3.99 FOR USPS PRIORITY MAIL 2-DAY IN USA! Visit this seller’s eBay Store! TUBEMUSEUM NEW YORKBID 1 FOR a BALANCED MATCHED PAIR of these RARE Phenomenal TUBES!phe·nom·e·nal/fəˈnämənəl1. Very remarkable; extraordinary.2. Perceptible by the senses or through immediate experience. Terms of Auction International Buyers – Please Note: 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.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, Original shipping is not refundable. 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. 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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