Copy of the original type 3 Tung-Sol 6550 made in the 1960’s. Triple getter, carbonized screen, and gold plated grid. The current production benchmark of the classic 6550.
The price applies to one tube.
To get matched tubes you must order the number of tubes that you need and select the needed matching-option. For example: to get two quartet you must order 8 tubes and select the "quartet" matching. If you need a pair then order two tubes and choose the "pair" selection.
