0 | 0 | ||
<img style="max-width:100%;height:auto;" src="https://scontent.xx.fbcdn.net/v/t1.0-9/47384014_10156910999710127_813853370098909184_n.jpg?_nc_cat=106&_nc_ht=scontent.xx&oh=4d74d346f6f0e34abf99323d4381ba63&oe=5C6B4B57"><br><br>Much TCA talk about the FM-1000. A deeply obscure special tube--one of the earliest types intended to be an FM detector. Data is almost impossible to find. Here's an article from a 1951 textbook. The 6BN6 was mentioned right after it and made it obsolete very quickly--and the 6BN6 was made obsolete by germanium diode ratio detectors.<br>(Posted on 2018-12-03 01:39:39 by <b>Metasonix</b>)
https://www.facebook.com/metasonixoffici...27/?type=3