Tung-Sol 5881 QuadTung Sol USA introduced the 5881 to the world in 1952, and they manufactured the only true mil-spec 5881's ever made. These tubes are highly regarded for their guitar amplifier use and equally as popular for Hi-Fi use as well. This is the American made version are more coveted than the Russian biult versions. These tubes are in great shape with printing intact and were made in the U.S.
Condition Used Tested
Tube Tester reads:
Tube 1: 34
Tube 2: 35
Tube 3: 37
Tube 4: 38
Minimum 25 All tubes are tested on a Mil-spec TV7 tube tester that has been professionally calibrated by Paul Hart. As with all vintage items we sell As-Is,Sale Final.
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