Note: These are the last sets of these wonderful tubes that we've been selling for many years now. Once they are gone, there will be no more at that price.
For sale is one PLATINUM Matched Quad 4x NOS Svetlana SED Winged C 6550 tubes. Platinum tested, burned-in for 24 hours & matched!!! Made in Russia - St. Peterburg.
This is the best sounding 6550 tube - original SED from St. Petersburg. Warm and open with tight bass and superb balance across the range. These tubes have been discontinued - we visited the factory and nothing is there now.
These have been packaged in 25 tube cases and are not secondes - OTK stamp is a clear proof of that - get them while they are still available!!! Production is early 2000s.
Every tube is tested and matched in Maxi-Matcher @ 400v in a tube amplifier @ 650v.
No leaks, shorts or microphonics.
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Welcome to the Tube Maze Store:
We specialize primarily in audio tubes and DON'T sell audio tubes that we can't test in our multiple tube amplifiers. Each tube goes through a very thorough testing process - first in tube testers (Amplitrex AT-1000 and/or Maxi-Matcher Digital Tester and/or TV-7 and/or Hickok 539C and/or Western Electric KS-15874 ) and then in several tube amps to verify that it sounds superb. Special care is taken of power tubes, which run in an amp for an hour to ensure proper performance.
If you are not sure which tube to buy or which tube would work the best in your system - send us a message! We're very passionate about tubes and would love to help you. If you want to learn more about sound of various tubes, visit our tube review site WWW.TUBEMAZE.INFO
Check out our other items and add us to your favorites list - there will be more reasonably priced, high quality tubes coming to the store. We are authorized distributor for the biggest and the best tube manufacturers - New Sensor (Mullard, Genalex, Svetlana, Tung-sol, Sovtek, Electro-Harmonix), JJ Electornic & TJ Full Music and make a lot of tubes from these companies available for your listening pleasure.
Bid & Buy with confidence. We offer 7 days money back guarantee. If you don't like the tubes you purchased, please contact us to arrange the return (you would only pay the return shipping - the original price+shipping would be fully refunded the day the tubes are received). All tubes must be returned in the same condition they were shipped - including the silk screens - if you are not sure you want to keep the tubes, please handle them with care.
Please leave 5-star eBay Feedback! This is very important! We strive to ensure that you are completely satisfied with your purchase.
Please Do Not Leave Negative Feedback Without Contacting Us First.
We COMBINE shipping, so buy more and save big!!! We will charge only the actual shipping charges plus a small fee (for shipping boxes). Send us the Invoice request when purchasing multiple items. All orders are shipped within 1 business day of the payment clearing!
INTERNATIONAL SHIPMENTS:
We offer low cost shipping to international destinations via USPS First Class and Priority mail (delivery times range from 2 to 10 weeks, depending on customs clearing time in the US and the destination country). USPS Express Mail is more expensive, but includes insurance, tracking and fast delivery. If you select First Class or Priority, please be patient, we cannot expedite the deliveries and cannot provide much more information than the customs number.
Shipping to the following countries is only via EXPRESS MAIL: Guatemala, Guadeloupe, Sierra Leone, French Guiana, Anguilla, Gambia, El Salvador, Mayotte, Cameroon, Guyana, Azerbaijan Republic, Suriname, Kenya, Argentina, Guinea-Bissau, Senegal, Eritrea, Togo, Armenia, Uzbekistan, Morocco, Saint Kitts-Nevis, Falkland Islands (Islas Malvinas), Burundi, Iraq, Equatorial Guinea, Mauritania, Belize, Aruba, Uruguay, Congo, Western Sahara, Colombia, Comoros, Benin, Algeria, Montserrat, Zambia, Somalia, Antigua and Barbuda, Swaziland, Ecuador, Albania, Ethiopia, Laos, Pakistan, Tanzania, Niger, Burkina Faso, Panama, Kyrgyzstan, Venezuela, Ghana, Djibouti, Chile, Cape Verde Islands, China, Mali, Botswana, Madagascar, Cambodia, Tajikistan, Vietnam, Paraguay, Cayman Islands, Lebanon, Saint Helena, Rwanda, Liberia, Seychelles, Bolivia, Libya, Nigeria, Lesotho, Central African Republic, Gabon Republic, Zimbabwe, Saint Lucia, Mauritius, Guinea, Côte d'Ivoire (Ivory Coast), Turks and Caicos Islands, Chad, Turkmenistan, Grenada, India, Mexico, Yemen, Afghanistan, Mongolia, Nepal, Bahrain, Trinidad and Tobago, Malawi, Nicaragua, Angola, Tunisia, Uganda, Brazil, Egypt, Mozambique, Namibia, Peru, Honduras.
We offer low cost shipping to international destinations via USPS First Class and Priority mail (delivery times range from 2 to 10 weeks, depending on customs clearing time in the US and the destination country). USPS Express Mail is more expensive, but includes insurance, tracking and fast delivery. If you select First Class or Priority, please be patient, we cannot expedite the deliveries and cannot provide much more information than the customs number.
Shipping to the following countries is only via EXPRESS MAIL: Guatemala, Guadeloupe, Sierra Leone, French Guiana, Anguilla, Gambia, El Salvador, Mayotte, Cameroon, Guyana, Azerbaijan Republic, Suriname, Kenya, Argentina, Guinea-Bissau, Senegal, Eritrea, Togo, Armenia, Uzbekistan, Morocco, Saint Kitts-Nevis, Falkland Islands (Islas Malvinas), Burundi, Iraq, Equatorial Guinea, Mauritania, Belize, Aruba, Uruguay, Congo, Western Sahara, Colombia, Comoros, Benin, Algeria, Montserrat, Zambia, Somalia, Antigua and Barbuda, Swaziland, Ecuador, Albania, Ethiopia, Laos, Pakistan, Tanzania, Niger, Burkina Faso, Panama, Kyrgyzstan, Venezuela, Ghana, Djibouti, Chile, Cape Verde Islands, China, Mali, Botswana, Madagascar, Cambodia, Tajikistan, Vietnam, Paraguay, Cayman Islands, Lebanon, Saint Helena, Rwanda, Liberia, Seychelles, Bolivia, Libya, Nigeria, Lesotho, Central African Republic, Gabon Republic, Zimbabwe, Saint Lucia, Mauritius, Guinea, Côte d'Ivoire (Ivory Coast), Turks and Caicos Islands, Chad, Turkmenistan, Grenada, India, Mexico, Yemen, Afghanistan, Mongolia, Nepal, Bahrain, Trinidad and Tobago, Malawi, Nicaragua, Angola, Tunisia, Uganda, Brazil, Egypt, Mozambique, Namibia, Peru, Honduras.
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