DIAMOND MATCHED PAIR ECL82 / 6BM8 Lorenz NOS/NIB matched by curves RoetestV10

$301.48 Buy It Now, $24.68 Shipping, 14-Day Returns, eBay Money Back Guarantee
Seller: tubes_old70 ✉️ (415) 100%, Location: Bucharest, RO, Ships to: AU, Item: 315235779480 DIAMOND MATCHED PAIR ECL82 / 6BM8 Lorenz NOS/NIB matched by curves RoetestV10. Wonderful and very rare matched pair ECL82 NOS/NIB made by Lorenz Stuttgart Germany. What means diamond matched? Usually these kind of tubes are selected matched only taking accounts of pentodes' parameters 10% tolerance, for this pair are both sections matched, triodes and pentodes 3% max. tolerance =  identical tubes, also curves comparison show this. This kind of precision of testing / matching and identical tubes is very very rare, all measured parameters are over 100%, where 100% is nominal value mentioned in the original factory datasheet.    Visually the tubes and boxes are perfect, tests show perfect matching, in pics can be seen full Roetest test protocol for each tube, also transfer curves compared. On the left side of test protocol typical ratings = conditions for test and expected results, under curves are results for vacuum, leakage, heater current, test for shorts etc. Tested using professional tube tester system Roetest V10, the best existing tube tester. The buyer will receive exact tubes and boxes seen in pics, very safe packaged in a box. We ship usually next day after payment, priority airmail with tracking number. ECL82 #1, #2 LOT: C116
  • Condition: Brand New
  • Brand: Lorenz
  • Country/Region of Manufacture: Germany
  • Model: ECL82
  • Type: NOS Tube

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