Browse Categories

56 triode tubes

Displaying products 1 - 4 of 4 results
Arcturus 56 triode - blue globe bottle, engraved base
Arcturus 56 triode - blue globe bottle, engraved base
Price: $99.00
Sale Price: $84.15
Arcturus 56 triode - blue globe bottle, engraved base
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.
on sale
National Union 56 triode - matched pair
National Union 56 triode - matched pair
Price: $59.00
Sale Price: $50.15
National Union 56 triode - matched pair
The 1940s National Union 56 tubes in this precisely matched pair are vintage 5-pin triodes. The white print on the base has the National Union logo. Both tubes test as new and are precisely matched for both current draw (mA) and Gm.
on sale
RCA JAN 56 triode - matched pair
RCA JAN 56 triode - matched pair
Price: From $39.00 to $59.00
Sale Price: From $33.15 to $50.15
RCA JAN 56 triode - matched pair
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.
on sale
Sylvania 56 triode - matched pair
Sylvania 56 triode - matched pair
Price: From $29.00 to $57.00
Sale Price: From $24.65 to $48.45
Sylvania 56 triode - matched pair
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.
on sale
Search
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.

Shopping Cart
Your cart is empty.