GE General Electronics 7247 (12DW7) TUBE as pictured, circa 60s, it in good condition (tested on my tube tester, where min-good=65, max-good= 120, tested tube= 106/105 respectively, no short, no leak) Note: Since this item is highly “MISHANDLING SENSITIVE” it is intending for professional (whom who know it well) and this selling is final (no return or refund). Please buy or bid accordingly. Thanks for looking.