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RCA 56 triode - globe bottle, matched pair
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1 matched pair in stock
Item Number: 966
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The 1930s RCA 56 tubes in this precisely matched pair are vintage 5-pin triodes with the early globe bottles. Their black bases are engraved with the RCA Radiotron logo.
Both tubes test as new and are precisely matched for both current draw (5.1 mA & 5.4 mA) and transconductance (107%-108% Gm). They ship in new white boxes.
These tubes are sold as a matched pair. Photo is of the actual pair. |
This gorgeous 56 vintage 5-pin triode by Arcturus has a blue globe bottle and engraved black base in outstanding condition. I've listened to this tube in a 300B SET amplifier and verified that it is not microphonic and it does not hum.
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Price: From $39.00 to $59.00
The military spec RCA 56 tubes in this precisely matched pair are vintage 5-pin triodes. They have black plates and bottom getters. The silver print on their black bases reads U.S. Navy CRC 56. Click "more info" for current availability.
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Price: From $29.00 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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