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Philips PA-1000B Preamp bias question

ponitora

New Member
I recently purchased a Philips PA-1000B preamp off ebay, and do like the sound of it. I am wondering about setting the pots -- there are four VR's and I assume two are for output equalization and the other two are for transistor bias? If anyone has any info on setting up these board adjustments I'd be most appreciative. I've actually put quite a lot of work into cleaning things up and added more heatsink capacity too. It seems that these are fairly rare preamps and have a few prototype-y characteristics, but I do like the sound of it, especially the MM phono stage. So, once again, if anyone has any info on setting up these board adjustments I'd be most appreciative. TIA
 
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