also check out our official site! new part numbers including reserve/request options and true nos sealed-box rarities
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vintage old stock hitachi black plate dgetter 5y3gt, legendary tone revered by audiophiles, also hard to find!
these direct japan imports were also twice tested for mutual conductance, and we have several in stock
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full conductance test 98/99 % gm (65%)+ life test pass! no meter movement (life check = key feature other testers lack!)
our special gm output test applies real world 225vdc voltages w/ filtered dc, plus an impeccable gas test and leak/short check
high gm scores relate to current transfer ability, whereas gain factor relates to signal amplification ~ theres a subtle difference