THIS IS THE HIGHEST GRADE NOS MATCHED PAIR OF L63 / 6J5G TUBES EVER MADE. MATCHED PAIR L63 / 6J5 VALVES. VERY VERY RARE BRIMAR AUDIO TUBES. MADE WITH BLACK ROUND PLATES AND [] GETTERS. VERY RARE DESIGN GLASS TUBES.
THIS IS THE HIGHEST GRADE NOS MATCHED PAIR OF L63 / 6J5G TUBES EVER MADE. MATCHED PAIR L63 / 6J5 VALVES. VERY VERY RARE BRIMAR AUDIO TUBES. MADE WITH BLACK ROUND PLATES AND [] GETTERS. VERY RARE DESIGN GLASS TUBES.