In Reply to: RE: follow up q posted by Bill Fitzmaurice on May 21, 2023 at 09:42:29:
My old catalog I have from the early 70's use the old RTMA rating for sensitivity.
This post is made possible by the generous support of people like you and our sponsors:
Follow Ups
- RE: follow up q - Hornlover 07:55:22 05/22/23 (0)