4 Strong Matched Sylvania Coin Base Black Plate Top O Getter 6SN7GTB Tubes QUAD

4 Strong Matched Sylvania Coin Base Black Plate Top O Getter 6SN7GTB Tubes  QUAD

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4 Strong Matched Sylvania Coin Base Black Plate Top O Getter 6SN7GTB Tubes

Logos worn off as pictured - Nice QUAD

Made in USA

Tested on a calibrated tester at: 128% / 124% , 124% / 124% , 120% / 122% & 120% / 120%

MINIMUM reading is 70% , NEW (NOS) reading is 100%+ & MAX reading is 130%

All tubes are tested for filament, leakage, Dynamic Mutual Conductance and emission value

Also tested and worked good in our equipment with no microphonics or shorts

Tubes passed ALL tests

Sold as is as Pictured as Described

 

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All orders are shipped within 1 business day of payment clearing!

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