(!!!) 5V4G National Union NOS 1951 (58/40 and 60/40)
$ 39.99
5V4G National Union NOS 1951
58/40
60/40
recommended for:
Fi X
Dr. Z Z-28
Goodsell Super 17
Transporter modded by Modwright
Peter Millett headphone amp using 307A's
Fender Champ 1973
See more: vacuum tube