In Reply to: External filament supply for 26 pre..? posted by JANDG on May 7, 2007 at 20:17:36:
FWIW, ..look at the schematic for a simple regulated supply for a 26 prehttp://www.kta-hifi.net/projects/pre_page/26DHTPre/26dht.html
Note that the filaments are connected in series (3V supply).
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Follow Ups
- Re: External filament supply for 26 pre..? - zobsky 10:05:30 05/08/07 (0)