Title
Vacuum tube type 7AK7Catalog Number
102732187Type
Physical objectDescription
The object is from the Whirlwind collection. The tube has 8 pins, one of which is plugged.Date
1948 ca.Manufacturer
SylvaniaPlace Manufactured
U.S.Identifying Numbers
Model number | 7AK7 | Stamped on the top of the object |
Other number | AK-674 | Stamped on the side of the object |