6189 RCA 12AU7 NOS NIB platinum matched pair ECC82 ECC802S Long Life E82CC

Platinum matched pair (2 tubes) of rare RCA 6189 12AU7WA . This is premium, long life version of ECC82 / 12AU7, black plates, carbonized nickel (E82CC ECC802S).

They come in original RCA boxes, carefully matched pair from service box of 100 pcs!

NOS in original boxes, from 100 pcs master pack.