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22nd October 2008, 09:10 PM
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#1 |
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diyAudio Member
Join Date: Oct 2008
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Tube preamp components help
can anyone with any AUDIO electrical knowledge look at this file and recomend values for the few missing components as i am stuck in a middile of a build it is a jts preamp but moded for a valve output system however parts of the original components was destroyed and have black spray paint over them so its not possible to get a reading with a multimeter. the missing components are on the bass and mids settings which start roughly around c43 so can anyone please please help as it will be greatly appreciated thanks
http://hosted.filefront.com/reap461/ |
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23rd October 2008, 05:02 PM
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#2 |
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diyAudio Moderator
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The circuit is a gyrator of some sort, beyond that I can't really say. It only drives that LED circuit at least drawn as shown. Seems like this ought to be posted on another thread..
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