100% Guaranteed Tubes All tubes are tested for Gm, shorts, leaks, gas, and noise on one of our vintage, calibrated, or state of the art digital tube testers. Buy from the experts and avoid hassle! Visit our store to view our inventory of thousands of tubes both NOS & New Production  International Buyers Please Read our Disclaimer Below - Standard Shipping can take 3 MONTHS or more - Do NOT Trust eBay Shipping Estimates New Factory Matched Quad (4 pcs) Tung-Sol KT170 Vacuum Tubes We are so happy to carry Tung-Sol’s newest high power tetrode. The wonderful folks at Tung-Sol have done it again, and are introducing a brand new tube to the world! We’re so happy that at least one company is doing R&D into brand new tube designs. With the success of the KT120 and KT150 they dialed things up yet again with the KT170 which has a plate dissipation of a whopping 85 watts! A pair of these badboys can put out 300 watts. With specially designed cathodes and a unique glass design to dissipate heat these are designed for the best sound and reliability. These tubes are now favored by many manufacturers (including the famous Prima Luna) and are so good that they come stock in several of their amplifiers. Testing and/or Matching Tested and/or matched at the factory by Ip (Plate Current) and Gm (General Mutual Transconductance)
Shipping
All new production tubes ship for free so we do not combine shipping on new production tubes. We still combine shipping with vintage tubes. All orders before 1:00 PM EST ship same-day. All orders shipped within 1 business day.
Domestic & International buyers can choose USPS First Class Mail or USPS Priority Mail. USPS First Class Mail is our default shipping method. Other options available only by request.
Typical transit times: Domestic USPS First Class Mail: 3-9 Days, includes tracking Domestic USPS Priority Mail: 1-3 Days, includes tracking International Economy: Typically 3-6 weeks but up to 3 months! - NO TRACKING International USPS Priority Mail: 6-14 Days - Includes Tracking
International Shipping Disclaimer International orders will be shipped by USPS First Class Mail International by default, which is the cheapest possible way and you do get what you pay for. This shipping service is very cost-effective and extremely safe, but you will not be able to track your package. It usually takes 3-6 weeks for a First Class Mail International package to arrive, but can take UP TO 3 MONTHS FOR DELIVERY DUE TO CUSTOMS, ESPECIALLY IN CERTAIN STRICT COUNTRIES LIKE RUSSIA, CHINA OR BRAZIL. We guarantee all of our shipments, but we do ask that our customers wait 90 days before we grant a full refund due to a lost package. We have shipped thousands of items internationally using First Class Mail and while we have had plenty take several months to arrive, we have had less than 10 actual lost packages. * Remember - You Have 6 Months of Coverage Through PayPal or your Credit Card company * DEPENDING ON YOUR COUNTRY'S POLICIES, YOU MAY BE RESPONSIBLE FOR IMPORT TAXES WHEN ORDERING OVERSEAS FROM US. WE ARE NOT RESPONSIBLE FOR ANY TAXES, DUTIES, OR CUSTOMS FEES. Guarantee & Returns
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