• Model: ECC83 / 12AX7. - Model: ECC83 / 12AX7. • Type: Vacuum Tube. - Type: Vacuum Tube. Key Features. The goods are all in the photograph. Country Japan.
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Made in Mitcham England. Made in January 1985 in Mitcham England. ____ ______. Tested in my preamplifier to make sure working as intended with no issues at all. Tightly balanced triodes!
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It’s been said that the Mullard sound can be most likened to a warm British jacket of the finest tweed. And I like how Mullard tubes sound, too. Enticingly intimate and warm, almost sweetly so, it’s always a close, handsy dance when listening to a Mullard.
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Original white printing brand, partially on tube, felt pen used to label tube by previous owner. Tested with tube tester Continuity tested on pins 9, 4 & 5. Tested good.
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ECC83 12AX7 Valve Tube. Mullard Made in Holland. Strong & Balanced. Short Grey Plates, Halo Getter.
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2x MAZDA ECC83 Valves. NOS specification: Ia = 1.2(mA), gm = 1.6(mA/V). This valve has also been tested in amplifier without any noise. Ia1 = 1.45(mA), gm1 = 1.8(mA/V). Ia2 = 1.55(mA), gm2 = 1.75(mA/V).
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Tubes test NOS. NOS tubes fall within the Gm characteristic range of an average tube, as published in the RCA RECEIVING TUBE MANUAL, which states "Individual tubes, like any manufactured product, may have characteristics that range above or below the values given.
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33.6 / 42.2 B7H. And for good reason, it is objectively one of the most musical tubes ever produced, and can reproduce the human voice, especially female voices, with shocking realism. It’s been said that the Mullard sound can be most likened to a warm British jacket of the finest tweed.
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