National Union6sn7gt2 new in the box or lightly used  blk glass National Union 6sn7gt tubesI have 2 beautiful new or very very lightly used early 50s national union blk glass 6sn7gt tubes.These was tested on a tv7 where 50 is minimum good and new tubes test 78 to 80 results are with pic...149.99

2 new in the box or lightly used blk glass National Union 6sn7gt tubes [Expired]


no longer for sale

I have 2 beautiful new orĀ  very very lightly used early 50s national union blk glass 6sn7gt tubes.These was tested on a tv7 where 50 is minimum good and new tubes test 78 to 80 results are with picture of tubes.