(!) (Best Value Single) 5V4G Sylvania NOS 1952-1953 (56/40 and 56/40) (GZ32 sub)
$ 27.99
5V4G Sylvania NOS 1952-1953 bubble in glass (cosmetic defect)
56/40
56/40
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