Mazda
Matched Pair 12AX7 Mazda ECC83 Long Gray Anodes 17mm USED tested OK Same codes
Matched Pair 12AX7 Mazda ECC83 Long Gray Anodes 17mm USED tested OK Same codes
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€299,50
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Two (2) fully tested USED tubes, platinum matched pair of rare 12AX7 Mazda ECC83, long gray ribbed anodes (no holes).
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They are real vintage gems, very rare, no microphonics at all, great sounding tubes.
They are tested with 250V on plates and -1.5V on grids, 100% for NOS tube at these voltges is 2.15mA, the results are:
(2.1/2.2)
(1.9/2.1)
Nice pair with a lot of life left in some decent preamp.
