438
The General Radio 438 Tube Socket was introduced in Bulletin 930 (1928) and remained available through Catalog H (1935).
The Type 438 is a five-pin vacuum tube socket designed for UY-type tubes. It is a surface mount design with solder tabs and screw type connections. Looking closely at the top, one can see the socket is labelled with triode tube elements.
Specifications
- Number of Connections: 5 pin style UY
- Connection Type: solder tab or screw type
- Material: moulded bakelite
Links
- Experimenter July 1927 describing Types 349 and 438
- Type 349 is a four-pin vacuum tube socket designed for UX-type tubes
- Type 658 is a porcelain version of the 438
