Title link takes you to shots via Keith via AH:
"the reason I built my 904A was because there was NOTHING available at the time that sounded anything like it, just approximations.
I happened to be given a 904A front panel, (it was from the Welsh mini people when they were working on moog module re issues), and i thought that the panel needed justice doing to it. There was also the element of challenge and a chance to increase my electronics skills which are very poor.The only original parts are the 3392s and the 4058s which are essential for the sound, you can use modern equivalents but they need offsetting (as in the MOTM-490) to get the right sound, and a couple of the wire wound trims because they happened to be available, nothing else in there is vintage. I made some great friends building that filter, I have a fantastic filter, it cost me much less that a real one and above all I enjoyed the experience.
Oh, nearly forgot, the knobs are original NOS, they make all the difference :o)"
Tuesday, June 05, 2007
2 comments:
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© Matrixsynth - All posts are presented here for informative, historical and educative purposes as applicable within fair use.
MATRIXSYNTH is supported by affiliate links that use cookies to track clickthroughs and sales. See the privacy policy for details.
MATRIXSYNTH - EVERYTHING SYNTH
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Nice work..
ReplyDeleteGlad you included the 'Range' switch. I'm always puzzled by 904a clones that don't have a 'range' switch, for each range totally changes the character of the filter.
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