Title
Vacuum tube type 7AK7
Catalog Number
102732403
Type
Physical object
Description
The object is from the Whirlwind collection. The tube has 8 pins, one of which is plugged.
Date
1938 ca.
Manufacturer
Sylvania
Place Manufactured
U.S.
Identifying Numbers
| Model number |
7AK7 |
The number is located on the top of the glass. |
| Other number |
852 |
The number is stamped in a light green on the side of the glass. |
| Other number |
AK-925 |
The number is written in green on the side glass. |
| Other number |
H8P |
The number is located on the top of the glass. |
Dimensions
overall: 3 in x 1 1/4 in x 1 1/4 in
Category
Component/vacuum tube
Credit
Gift of the Digital Equipment Corporation
