Title
Vacuum tube type 4EJ7Catalog Number
102731159Type
Physical objectDescription
This is a vacuum tube, type 4EJ7, manufactured by Silvertone.Manufacturer
SilvertonePlace Manufactured
JapanIdentifying Numbers
Model number | 4EJ7 | Stamped in middle of tube in gray |
Other number | 121 | Stamped in middle of tube in gray |