XPost: rec.radio.amateur.moderated
With Varying Frequency - Amateur Radio Ponderings
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Brass Pin on the side of 811A and 572B Tubes
Posted: 28 May 2022 07:08 AM PDT
https://k9zw.wordpress.com/2022/05/28/brass-pin-on-the-side-of-811a-and-572b-tubes/?utm_source=feedburner&utm_medium=email
Not every power tube installation uses a simple push-in tube socket. Some
older ham gear, audio gear and military/avionic sockets are twist-type. As something has to fit the index slot, a Brass Pin on the side of 811A and
572B Tubes is a mechanical index and retention pin. These sockets where you have you insert []
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