6189

Matched Pair New Old Stock Sylvania JAN 6189 Vacuum Tubes (Item: RDW-674)

Closely cross-section and cross-tube matched pair of new old stock Sylvania JAN 6189 ruggedized medium-mu twin triodes with common 6727 production codes.. Equivalent to 12AU7WA. One tube tests 2964/2964 uMhos, the other 3000/3116 uMhos, with a baseline...