Svetlana Wing-C 6550C-WC lot of four tubes, These are the old version made in St. Petersburg Russia. Look to be used, fully tested on a Maxi Matcher 2 tube tester. As with all vintage items we sell As Is, Sale FinalTest= 40 / 4.1 Test= 40 / 5.2Test= 36 / 4.3Test= 43 / 5.5

NOS Svetlana 6550 Vacuum Tube Untested but never used

Matched Pair Svetlana 6550C Winged C Valves/Vacuum Tubes - AVO Tested Strong. Extremely low hours, still test as NOS. These are the ones you want, best recent production 6550/KT88s from the St. Pete factory with the rectangular cut outs in the anodes. Ideal for hifi or guitar. Save on new. Perfectly matched. Tested on a recently calibrated AVO VCM 160 with the following results; IA GMValve 1: A1 92.2 8.9 Valve 2: A1 92.5 8.8 AVO NOS Specs: IA = 87.0 GM = 9.0 No leaks or shorts, solid bases, shiny pins. eBay seller for over 20 years, buy with confidence - see feedback. Valves will be shipped next day, carefully packaged, tracked and insured. Please drop a note with any questions. Shipping happily combined on multiple items. For overseas purchases, please message for a shipping quote before purchasing. Dont use your amp as a circuit breaker, buy tested valves!

Rogue Audio 88 Magnum Tube Amp w/ Electro-Harmonix KT88EH, Svetlana 6550C Tubes. Heck of a combo for the right person. The combo package contains: 1. Rogue Audio 88 Magnum Tube Amp with 4 installed Electro-Harmonix KT88EH tubes. - This is the upgraded Magnum model. - Unit recently in for service and both channels play strong/clear. - Tubes have roughly 100 hours on them. - My tech tested all 7 Electro-Harmonix KT88EH tubes and installed best 4 match. Not sure, but I think numbers are all between 65 and 75. 2. 4 New Old Stock (Unused/Not Installed) Svetlana 6550C Tubes, matched set. - My tech tested and wrote 71, 72, 72, 72 on top of boxes. 3. 3 additional used Electro-Harmonix KT88EH tubes. - My tech tested and wrote 79, 68 and 46 on the tubes. Unit and items sold as-is. Will ship within Continental United States Only (Excludes Alaska and Hawaii.)

NOS Svetlana 6550C Vacuum Tube Unested but never used.

NOS Svetlana 6550 Vacuum Tube Untested but never used

NOS Svetlana 6550 Vacuum Tube Untested but never used.

svetlana6550c FROM LOCAL CONSIGNORFULL WARRANTY AS LISTED =================================== ===========================PLEASE LOOK PHOTOS-------------------------------------------------------------------------------------------------International shipping available------------------------------- ---------------------------------------------------- LOOK PICTURE Why wait, use Buy It Now and get it for a very low price if you live in the Howard County, MD Area I will consider arranging local pick-up or delivery if prior arrangements are made. LOCAL PICKUP FREE Always try to give as much information as possible but if you have more questions or would like more pictures then use the Ask Seller a Question link and I would be more than happy to provide them. A picture is worth a thousand words so take a look as that is the actual item and accessories you will receive. Thats it so please if you would like read my About Me page and Feedback and bid with confidence! Good luck and Happy Bidding All! Oh and as a last note...Please if you could do me the kindest of favors and only bid if you want this item as it does cost me time and money to relist these items. I will send an invoice within 24 hours so if you dont get an e-mail from me make sure your ebay contact information is up to date. YOU ARE WELCOME TO CHECK MY OTHERs AUCTION IN PROPARAGUAY STORE If an item does not meet your expectations please contact me prior to leaving feedback so that I may address any issues that you may have.-** I make every effort to ship within 5 BUSINESS days of receiving payment. (Read Will ship within 5 business days of receiving cleared payment .I has specified an extended handling time for this item ** My shipping costs are based on the shipping weight , insurance and the cost of packaging. Please check the eBay shipping calculator for shipping costs BEFORE bidding and bid if you are comfortable with my shipping timeline and costs..** Note: I have been experiencing a sharp increase in non-paying bidders. Once an auction ends, sellers have to pay auction fees based on the amount of the winning bid , After 3 days the system will open automatic the unpaid process, but you can contact to me to avoid it or cancel the deal , not problem in all , just contact to me .- I know that something something go wrong and i doesnt have any intention to hurt you account with the unpaid process, the process is opened for re-list the item soon as is possible.- PLEASE, contact to me if you have problem with the payment.- ** The Carrier will send an automatic email with the tracking number when the label is created .. Any question just contact to me by email or phone.-Thank you and God Bless..

Lot of 17, Svetlana 6550C, Made in Russia, Power Amp Vacuum Tube I am selling these tubes for a family friend whose husband passed. She believes these tubes were all tested a few years ago, maybe 5 years ago. They are labeled with test results and some labeled Svetlana and dated from 1996 and 1997. I am guessing there is no reason to keep blown tubes. If one should not work I will refund you for that tube. Fell free to ask questions, I will answer them the best I can. The tubes are labeled are as follows: 364 122358 123316 87362 126371 119358 118321 116324 117358 119324 117358 119358 117358 117357 118358 117ARCARC Over

6550 Svetlana SEC Match Tested Pair. Up for sale is a rare pair of vintage matched Svetlana “Winged C” logo 6550’s. This is the best Russian production 6550 ever made. Fully Amplitrex tested strong in fixed bias mode @ 500V, see images for results. These saw light use in an Audio Research Power Supply. Tubes will ship in generic white tube boxes via USPS PRIORITY MAIL. Due to the nature of vintage/used vacuum tubes, these are being sold AS-IS with no returns accepted. I will guarantee them to NOT be DOA and to match test results on any Amplitrex AT1000 using the same settings and test parameters. Please ask any and all questions before purchase, thanks for looking!

NOS Svetlana 6550C Vacuum Tube Unested but never used.

NOS Svetlana 6550 Vacuum Tube Untested but never used

NOS Svetlana 6550 Vacuum Tube Untested but never used.

Match Tested Pair of 6550C Svetlana SEC Winged C Audio Receiver Power Vacuum Tubes Country of origin: Russia Model: Svetlana SEC winged C Manufacturer: Svetlana SEC Type: Power Plates: gray vented with copper rods and radiators Spacers: two with alignment tabs Getter frames: dual solid saucers Getter flash: top Glass: clear Base type: Octal 8 pin with a metal base collar Construction: same configuration Condition: excellent Usage estimate: minimal Cartons: NA Quantity: 2 Please review the photos for more detail Excellent strong balanced NOS test results for Gm / bias: Gm: 6.8 with bias ~50.0 mA Gm: 6.4 with bias ~47.5 mA For Gm, 3.9 is the suggested minimum value No shorts detected For reference we use a calibrated Triplett 3444A Tester Compatibility: Suitable for audio preamplification and vintage tube-based equipment ideal for use in tube pre-amplifiers and audio recording equipment The tubes will be carefully packed to ensure safe shipping Estimated delivery time within the USA is 3 to 7 business days Standard shipping service is US Postal 1st class Shipping is combined when applicable Please feel free to contact us if you require any additional information

Wenn Sie von dem US Marktplatz bestellen, können für die Pakete Steuern und Zollgebühren anfallen, die der Käufer später tragen muss.Fabrik Platinum Passendes Paar Svetlana 6550 6550C Rohre, Brand Neu IN BoxDas Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns. Brandneue, werksseitig aufeinander abgestimmte Platinpaare von New Sensor Corp., NY. USA.   Alle Röhren sind eingebrannt, geprüft und gematcht in IP und GM, Datenaufkleber auf Röhrenbox.Der Preis gilt für ein passendes Paar (= 2 Röhren) Svetlana 6550/6550C-Röhren. Diese sind brandneu in Kartons, nie verwendet, hergestellt in Russland. ******* Dies sind KEINE Röhren der Marke „Winged C“, diese sind von New Sensor Corp. New York, USA, diese werden in Russland hergestellt ******** Brandneue, werksseitig aufeinander abgestimmte Platinpaare von New Sensor Corp., NY. USA.    Alle Röhren sind eingebrannt, geprüft und gematcht in IP und GM, Datenaufkleber auf Röhrenbox. Der Preis gilt für ein passendes Paar (= 2 Röhren) Svetlana 6550/6550C-Röhren. Diese sind brandneu in Kartons, nie verwendet, hergestellt in Russland. ******* Dies sind KEINE Röhren der Marke „Winged C“, diese sind von New Sensor Corp. New York, USA, diese werden in Russland hergestellt ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay.Factory Platinum Matched Pair Svetlana 6550 6550C tubes, BRAND NEW in BoxThis product data sheet is originally written in English. Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.   All tubes are burned in, tested and matched in IP and GM, data sticker on tube box.Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ******** Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.    All tubes are burned in, tested and matched in IP and GM, data sticker on tube box. Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

Quando si ordina dagli Stati Uniti, i pacchi possono essere soggetti a tasse di importazione e dazi doganali, che lacqirente è tenuto a pagare.Fabbrica Platino Paio Combinato Svetlana 6550 6550C Tubi, Nuovo IN ScatolaQuesto foglio informativo sul prodotto è stato originariamente stilato in lingua inglese. Si prega di consultare appresso una traduzione automatica dello stesso in lingua italiani. Per ogni domanda, si invita cortesemente a contattarci. Coppie abbinate in platino nuovissime di fabbrica di New Sensor Corp., NY. STATI UNITI DAMERICA.   Tutti i tubi sono bruciati, testati e abbinati in IP e GM, adesivo dati sulla scatola del tubo.Il prezzo è per una coppia abbinata (= 2 tubi) di tubi Svetlana 6550/6550C, questi sono nuovissimi in scatole, mai usati, prodotti in Russia. ******** Queste NON sono valvole con marchio Waled C, queste sono di New Sensor Corp. New York, USA, queste sono prodotte in Russia ******** Coppie abbinate in platino nuovissime di fabbrica di New Sensor Corp., NY. STATI UNITI DAMERICA.    Tutti i tubi sono bruciati, testati e abbinati in IP e GM, adesivo dati sulla scatola del tubo. Il prezzo è per una coppia abbinata (= 2 tubi) di tubi Svetlana 6550/6550C, questi sono nuovissimi in scatole, mai usati, prodotti in Russia. ******** Queste NON sono valvole con marchio Waled C, queste sono di New Sensor Corp. New York, USA, queste sono prodotte in Russia ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.   All tubes are burned in, tested and matched in IP and GM, data sticker on tube box.Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ******** Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.    All tubes are burned in, tested and matched in IP and GM, data sticker on tube box. Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ********

Les commandes réalisées à partir des États-Unis, peuvent être soumises à des taxes dimportation et droits de douane, que lacheteur est tenu responsable de payer.Usine Platine Paire Assortie Svetlana 6550 6550C Tubes, Tout Neuf en BoîteCette fiche produit est originalement écrite en anglais. Veuillez trouver ci dessous une traduction automatique en français. Si vous avez des questions veuillez nous contacter. Nouvelles paires assorties en platine dusine par New Sensor Corp., NY. ETATS-UNIS.   Tous les tubes sont brûlés, testés et appariés en IP et GM, autocollant de données sur la boîte du tube.Le prix est pour une paire assortie (= 2 tubes) de tubes Svetlana 6550/6550C, ils sont neufs dans des boîtes, jamais utilisés, fabriqués en Russie. ******** Ce ne sont PAS des tubes de marque Winged C , ils proviennent de New Sensor Corp. New York, États-Unis, ils sont fabriqués en Russie ******** Nouvelles paires assorties en platine dusine par New Sensor Corp., NY. ETATS-UNIS.    Tous les tubes sont brûlés, testés et appariés en IP et GM, autocollant de données sur la boîte du tube. Le prix est pour une paire assortie (= 2 tubes) de tubes Svetlana 6550/6550C, ils sont neufs dans des boîtes, jamais utilisés, fabriqués en Russie. ******** Ce ne sont PAS des tubes de marque Winged C , ils proviennent de New Sensor Corp. New York, États-Unis, ils sont fabriqués en Russie ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

When ordering from the US, parcels may be subject to import tax and duty charges, which the buyer is responsible to pay.Factory Platinum Matched Pair Svetlana 6550 6550C tubes, BRAND NEW in BoxThis product data sheet is originally written in English. Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.   All tubes are burned in, tested and matched in IP and GM, data sticker on tube box.Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ******** Brand New Factory Platinum Matched Pairs by New Sensor Corp., NY. USA.    All tubes are burned in, tested and matched in IP and GM, data sticker on tube box. Price is for one Matched Pair (= 2 tubes) of Svetlana 6550 / 6550C tubes, These are Brand New in boxes, Never used, Made in Russia. ******** These are NOT Winged C branded tubes, these are from New Sensor Corp. New York, USA, these are made in Russia ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

Al realizar un pedido desde los EE. UU. los paquetes pueden estar sujetos a impuestos de importación y a los aranceles, que el comprador debe pagar.Fábrica Platino Par Emparejado Svetlana 6550 6550C Tubos, Nuevo En CajaEsta ficha técnica del producto ha sido originalmente escrita en inglés. A continuación puede encontrar una traducción automática al español. Si usted tiene alguna pregunta por favor póngase en contacto con nosotros. Pares combinados de platino nuevos de fábrica de New Sensor Corp., NY. EE.UU.   Todos los tubos están quemados, probados y combinados en IP y GM, etiqueta de datos en la caja del tubo.El precio es por un par combinado (= 2 tubos) de tubos Svetlana 6550 / 6550C, estos son nuevos en cajas, nunca usados, fabricados en Rusia. ******** Estos NO son tubos de la marca Winged C, son de New Sensor Corp. Nueva York, EE. UU., están fabricados en Rusia. ******** Pares combinados de platino nuevos de fábrica de New Sensor Corp., NY. EE.UU.    Todos los tubos están quemados, probados y combinados en IP y GM, etiqueta de datos en la caja del tubo. El precio es por un par combinado (= 2 tubos) de tubos Svetlana 6550 / 6550C, estos son nuevos en cajas, nunca usados, fabricados en Rusia. ******** Estos NO son tubos de la marca Winged C, son de New Sensor Corp. Nueva York, EE. UU., están fabricados en Rusia. ******** MPN 6550C Brand Svetlana Type Vacuum Tube Model 6550C Country/Region of Manufacture Russian Federation

Wenn Sie von dem US Marktplatz bestellen, können für die Pakete Steuern und Zollgebühren anfallen, die der Käufer später tragen muss.Fabrik Platinum Passende Quad Svetlana 6550 6550C Rohre, Brand Neu IN BoxDas Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns. Brandneue Factory Platinum Matched Quads von New Sensor Corp., NY. USA.   Alle Röhren sind eingebrannt, geprüft und gematcht in IP und GM, Datenaufkleber auf Röhrenbox.Der Preis gilt für ein passendes Quad (= 4 Röhren) von Svetlana 6550/6550C-Röhren. Diese sind brandneu in Kartons, nie verwendet, hergestellt in Russland. ******* Dies sind KEINE Röhren der Marke „Winged C“, diese sind von New Sensor Corp. New York, USA, diese werden in Russland hergestellt ******** Brandneue Factory Platinum Matched Quads von New Sensor Corp., NY. USA.    Alle Röhren sind eingebrannt, geprüft und gematcht in IP und GM, Datenaufkleber auf Röhrenbox. Der Preis gilt für ein passendes Quad (= 4 Röhren) von Svetlana 6550/6550C-Röhren. Diese sind brandneu in Kartons, nie verwendet, hergestellt in Russland. ******* Dies sind KEINE Röhren der Marke „Winged C“, diese sind von New Sensor Corp. New York, USA, diese werden in Russland hergestellt ********Brandneue Factory Platinum Matched Quads von New Sensor Corp., NY. USA.    Alle Röhren sind eingebrannt, geprüft und gematcht in IP und GM, Datenaufkleber auf Röhrenbox. Der Preis gilt für ein passendes Quad (= 4 Röhren) von Svetlana 6550/6550C-Röhren. Diese sind brandneu in Kartons, nie verwendet, hergestellt in Russland. ******* Dies sind KEINE Röhren der Marke „Winged C“, diese sind von New Sensor Corp. New York, USA, diese werden in Russland hergestellt ******** MPN 6550C Model 6550C Type Vacuum Tube Brand Svetlana Country/Region of Manufacture Russian Federation

Les commandes réalisées à partir des États-Unis, peuvent être soumises à des taxes dimportation et droits de douane, que lacheteur est tenu responsable de payer.Usine Platine Quad Assortis Svetlana 6550 6550C Tubes, Tout Neuf en BoîteCette fiche produit est originalement écrite en anglais. Veuillez trouver ci dessous une traduction automatique en français. Si vous avez des questions veuillez nous contacter. Nouveaux quads assortis en platine dusine par New Sensor Corp., NY. ETATS-UNIS.   Tous les tubes sont brûlés, testés et appariés en IP et GM, autocollant de données sur la boîte du tube.Le prix est pour un quad assorti (= 4 tubes) de tubes Svetlana 6550/6550C, ils sont neufs dans des boîtes, jamais utilisés, fabriqués en Russie. ******** Ce ne sont PAS des tubes de marque Winged C , ils proviennent de New Sensor Corp. New York, États-Unis, ils sont fabriqués en Russie ******** Nouveaux quads assortis en platine dusine par New Sensor Corp., NY. ETATS-UNIS.    Tous les tubes sont brûlés, testés et appariés en IP et GM, autocollant de données sur la boîte du tube. Le prix est pour un quad assorti (= 4 tubes) de tubes Svetlana 6550/6550C, ils sont neufs dans des boîtes, jamais utilisés, fabriqués en Russie. ******** Ce ne sont PAS des tubes de marque Winged C , ils proviennent de New Sensor Corp. New York, États-Unis, ils sont fabriqués en Russie ********Nouveaux quads assortis en platine dusine par New Sensor Corp., NY. ETATS-UNIS.    Tous les tubes sont brûlés, testés et appariés en IP et GM, autocollant de données sur la boîte du tube. Le prix est pour un quad assorti (= 4 tubes) de tubes Svetlana 6550/6550C, ils sont neufs dans des boîtes, jamais utilisés, fabriqués en Russie. ******** Ce ne sont PAS des tubes de marque Winged C , ils proviennent de New Sensor Corp. New York, États-Unis, ils sont fabriqués en Russie ******** MPN 6550C Model 6550C Type Vacuum Tube Brand Svetlana Country/Region of Manufacture Russian Federation