PSN-L Email List Message
Subject: Anther STM-8 question
From: "Larry Conklin" lconklin@............
Date: Fri, 30 Jan 2004 11:12:02 -0500
I am starting to collect materials for a vertical seismo based on the STM-8
design. I have a rather small (7") speaker that I am considering for using
for the magnet and feedback coil, but I'm wondering if the magnet is strong
enough. Can anybody give me some insight into how big a magnet is needed or
whether I would have to make adjustments elsewhere in the design to
compensate for a smaller magnet?
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