You are bidding for 1 Sylvania 7591 7591A NOS Excellent Testing Values Red Prints. The tube was carefully tested on my TV-7D/U at 70/36 min good (55-56=100%). It sounds wonderful on my hifi system with other new tubes. Super rare and hard to find now. What you see is what you get. Please look at the photos carefully before bidding. I am willing to answer any question Return is accepted if you pay for the returning fees. Thanks P/S: The shipping fees in the listing is by regular mail (normally Vietnam post) taking from 12-25 days depending on buyers' local customs. To some regions, it can take even longer than that. Besides, Vietnam post is not always available to some countries in South America, Northern Europe or Africa. Please ask me before paying. If you want to use express shipping services like DHL, Fedex or UPS express taking 3-7 working days, you have to pay an extra of around $68.75. (For order over $1000, Express shipping service is a must. Please wait for the invoice to pay). Please let me know so that I can send you an invoice. If the item(s) purchased may not arrive or faulty, please don't hesitate to contact me before opening cases on ebay. I am willing to reach to a solution and make you completely satisfied. Thanks a million. Ok
Item Tag: Power Tubes
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Mixed Brands Sylvania Hammond 7591 7591A Excellent Values One Tube Price
The tube was carefully tested on my TV-7D/U as shown in the photos with 36 min good (55-56=100%). They all sound wonderful on my hifi system. Super rare and hard to find now.
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Sylvania 7591 7591A Excellent Testing Values Matched Quad
The tube was carefully tested on my TV-7D/U at 68-70-70-72/36 min good (55-56=100%). They all sound wonderful on my hifi system. Super rare and hard to find now.
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Strong Pair Sylvania 7591A Power Tubes O Getters Matched Codes Tested TV-7B/U
Both tubes test balanced at 50 with 36 being the minimum score for a good tube (with 65% life remaining).
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Tung-Sol 7591 Made in USA by Sylvania Matched Pair NOS Tubes Boxes Tested TV-7
Matched pair of Tung-Sol 7591 power tubes. Tube markings: TUNG-SOL 7591 MADE IN U.S.A. 3226232-3. Gray plates, top getter, smoked glass, black base. Dealer notations and date codes indicate 1962 production.
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NOS NIB Sleeve of 5 Raytheon 6418 Sub Minature Vacuum Power Pentode Tubes
For sale is a NOS NIB sleeve of 5 Raytheon 6418 subminiature power pentode tubes. NOS, never used. These are part of an old surplus of NOS tubes. Platinum Tubes. WHY PLATINUM TUBES?. Why Platinum Tubes?.
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6146 Amperex Power Beam Output Tube-Holland-Tests 105%/105%-Free Shipping in US
6146 Amperex Holland power beam output tube. This used tube tests new at 110%/110%.
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6LF6 6LX6 6MH6 MOTOROLA HOLLAND QTY1 GOLDEN PREMIUM N30EL HIGH POWER OUTPUT TUBE
6LF6 6LX6 6MH8 N30EL QTY-1 MOTOROLA HIGH POWER OUTPUT TUBES Vacuum tube. HiFi power amplifier tubes. Clean sound for HiFi. Tight powerful sound for guitar. Quantity- One or 1 Tube number 6LF6. NOS (New Old Stock). Quantity one (1) tube. Branded “Motorola” made in Holland. Tubes test between 11,500 and 12,250 uM @ 105 to 125 ma, Over 110% of new. No leakage, Shorts, Excellent emission. Dual “Halo” getter. Date codes are 70 04. 367, 7m, IIIAAG3 Delta 9I1 Getter flashing is bright and clean! Excellent construction, Military spec quality. Very heavy! Over 40 watts plate dissipation! Wow! Tested on our precision, updated, calibrated Hickok 539c.Smudge on glass is our kitty watermark.Purchased in the 1980’s. Tube measures 4 1/2″ from glass base to plate cap.Multiple purchases will me closely matched. BRAND NEW! Tested Excellent! Double Boxed! SHIPPED WITHIN THE 48 STATES. WELL PACKED. BOXED, SHIPPED USPS PRIORITY MAIL. Pay Pal, Master Card, Visa. All items described as accurately as possible so bid with confidence! NO INTERNATIONAL SHIPPING. SEARCH DOES NOT SHOW ALL ITEMS IN E-BAY STORES. COOL_TEK CLICK HERE TO SEE OUR OTHER COOL ITEMS