Tubes Asylum Questions about tubes and gear that glows. FAQ |
|
In Reply to: RE: Look like these? posted by tesla on October 12, 2016 at 20:07:00:
I vaguely remember seeing these tubes many, many moons ago. Industrial specs, so noise and even microphony is not as big an issue --- as in audio use.
IIRC, the cover was to protect light sensitive devices in the apps they were placed.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: Look like these? - FenderLover 11:25:12 10/13/16 (0)