Title
Vacuum tube type 6S4ACatalog Number
102783097Type
Physical objectDescription
The record contains a miniature tube with 9 connector pins.Manufacturer
Radio Corporation of America (RCA)Place Manufactured
U.S.Identifying Numbers
| Model number | 6S4A | Printed in gray at the top of the tube |
| Other number | 188-4 | Printed in white on the side of the tube |
| Other number | 57-04 | Printed in white on the side of the tube |
Dimensions
overall: 2 1/8 in x 7/8 in x 7/8 inCategory
Component/vacuum tube