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. Made in Saratov, Russia more details
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. Made in Saratov, Russia
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