All tubes tested very strong on a Hickok 752A, where the minimum good is 475
Results are: 950/1000, 925/975, 875/950, 950/1025 & 1050/1150
Black plate tubes with top "D" getter
Tung-Sol JTL-5687 Vacuum Tube Quintet
- Product Code: Tung-Sol JTL-5687 Vacuum Tube Quintet
- Availability: 1
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$54.99 USD
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