wilsonzxj
Posts: 4295
I love YaBB 1 Gold!
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holygrail Marconi Italian made ecc83 black(sold)
« on: February 3rd, 2019, 10:19pm »
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holygrail rare Marconi Italian made ecc83 12ax7 1956-1958 long black plate square getter early Italy version 12ax7 type--$400 test results--52/54, 52/56 https://imgur.com/a/qE0K2v5
https://www.audioasylum.com/cgi/t.mpl?f=tubes&m=263414(marconi made by U.S RCA have chrome top corner or slinted square getter or grey plate, these are original italian made ecc83/12ax7 with full black plate 90degree square getter) another magic tube, very detail, good dynamic, wonderful mid great from top to bottom, very sweet good mid, well control bass, silky high. very very hard to pass by these rare tube.(note-->some of these marconi are made by rca with look quite similar to these italian made marconi, you get the right italian made marconi black long plate square getter ecc83 12ax7, you will hear some of the holygrail of ecc83 12ax7)
tubes are tested on tv-7 tube tester use by U.S army and airforce where minimum good for 12ax7, ecc83 is 32/32. strong start around 40/40
interest call--91454638-wilson/ wilsonzxjtube@gmail.com overseas and local registered postage services are available.
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