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5 Sylvania 12X4 NOS/NIB vacuum tube tested and guaranteed | Used Black Electronics for Sale in Dav1


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5 Sylvania 12X4 NOS/NIB vacuum tube tested and guaranteed

Davenport, IA

Sylvania NOS 12X4 Vacuum Tubes For sale 5 new in original box identical Sylvania 12X4 vacuum tubes. Black plates with a large "O" (halo) getters. The Triplett tests rectifiers on a pass/fail scale so there are no numbers to list. Tubes carefully tested for emissions, shorts, gas, life and leakage. No tube is sold that has any gas, leakage or fails life and strength tests. Photo is of the actual tubes on auction. I take a great deal of pride in the honesty ofmy representation and the quality of my customer service. There willbe no unwelcome surprises with my tubes....guaranteed. Test Results: all sections strong pass (Triplett 3444) Minimum: see description (Triplett 3444) Test Equipment: Hickok 539C w/ Fluke 73III multimeterTriplett 3444Hickok KS-15874-L2 CardmaticMaxi Matcher w/ Sola CVS Regulated Power SupplyThe Hickok 539C is a highly regarded transconductance tester. The Triplett 3444 is one of the finest testers ever made. Exceptional in every aspect. Superb with directly heated triodes.The Hickok KS 15874-L2 is a commercial version of the wonderful 118 Cardmatic. In my opinion, and the opinion of many tester experts, this is the best tester that wasmade by Hickok. A real gem.The Maxi-Matcher is a useful tester for measuring current draw and transconductance at 325/400 plate volts with 5 bias voltage settings. Very good with 6V6s and EL84s, this testerfalls a bit short of true operating levels on 6550s, EL34s, 5881s and 7027s. Still much betterthan most "suitcase" testers for measuring power pentodes. I do not trust the minimums on this testerand they are therefore not listed. The industry standard by default.ALL of my testers (except Maxi) have been calibrated and redone by Chris Haedt. ===== Fully Guaranteed! =====Money back on these tubes if they do not operate and test as described!ALL my items on eBay are genuine, authentic and original. As with all of my auctions, authenticity is assured so please feel free to bid with confidence! Shipping: U.S./Canada: FREE first Class / Ebay International: $ Ebay All tubes shipped within 24 hours of payment verification.Tubes are shipped upright, in oversized boxes with packing peanuts and bubble wrap. Additionally,I insert filler in each tube box to prevent movement of the tube within the box. Bulk lot tubes will not be individually boxed. Looking for more quality tubes? Check out my other auctions .Take a look at my feedback and bid with confidence. Combine auctions and save on shipping!Fine PrintOnly place a bid when you are seriously interested in this particular piece and when you are truly willing to fulfill all the obligations according to eBay rules. After Winning an Auction, according to eBay rules, please respond within 3 days! Payment including actual shipping & insurance fees is expected within ten days. I use the U.S.P.S. exclusively for shipping. Quoted shipping prices DO NOT include insurance. Often, I will require Paypal users to insure shipments and/or use trackable shipping methods with signature verification. If the buyer chooses not to insure a parcel, I am not liable for loss, damage or theft. If payment is not received within ten days, the item will be relisted and negative feedback will be given. I reserve the right to refuse Paypal payments frombuyers without verification or a confirmed address. Thanks!
July 10 on ListedBuy
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More About this Listing: 5 Sylvania 12X4 NOS/NIB vacuum tube tested and guaranteed
5 Sylvania 12X4 NOS/NIB vacuum tube tested and guaranteed is a Electronics for Sale located in Davenport IA. Find other listings like 5 Sylvania 12X4 NOS/NIB vacuum tube tested and guaranteed by searching Oodle for Electronics for Sale in Davenport.