Title
Vacuum tube type 4EH7Catalog Number
102731097Type
Physical objectDescription
These are two vacuum tubes, type 4EH7, manufactured by Sylvania. Tube has 7 connector pins.Manufacturer
SylvaniaPlace Manufactured
U.S.Identifying Numbers
Model number | 4EH7 | Printed in grey on top of tube |
Other number | EPG 9 | Printed in green in middle of tube |