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National Union 56 triode - matched pair
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2 matched pair in stock
Item Number: 1072
Manufacturer: National Union
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The 1950s National Union 56 triode tubes in this precisely matched pair have black plates and bottom
getters with lots of flashing. (One tube has a cosmetic blemish in the flashing at the base--does not affect tube performance.) The white labels on the base have the NU logo.
Both tubes
test as new with low noise. They ship in new white boxes with
test results for current draw (mA) and transconductance (Gm).
These tubes are sold as a matched pair. Photo is a sample pair from the lot. |
Price: From $34.00 to $57.00
The Sylvania 56 tubes in this matched pair are vintage 5-pin triodes. They have black plates and bottom getters. Their black bases have green print with the early Sylvania leaf logo. Both tubes test as new and are precisely matched.
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TC Tubes specializes in precision testing and matching of vintage and new production vacuum tubes for guitar & bass players, audiophiles, and DIY tube audio enthusiasts. Our website features secure payment options and fast, convenient shipping around the world.
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