goonieman Posted July 26, 2015 Share Posted July 26, 2015 Hi there, the spector wiring diagram states that I would need a B250K pot for the vol control... but 'B' is linear?! I should be going for audio right? A250K? However, i'm concerned that the preamp has circuitry which caters for the taper, and I don't want to fiddle with factory spec... Any ideas? thanks Quote Link to comment Share on other sites More sharing options...
goonieman Posted July 27, 2015 Author Share Posted July 27, 2015 No takers? Anyone want to hazard I guess?! Quote Link to comment Share on other sites More sharing options...
KiOgon Posted July 27, 2015 Share Posted July 27, 2015 Can you show the wiring diagram you're referencing? Quote Link to comment Share on other sites More sharing options...
goonieman Posted July 27, 2015 Author Share Posted July 27, 2015 It's the one a bout one third of the page down: http://www.talkbass.com/threads/spector%C2%AE-owners-club.1066466/page-996 cheers Quote Link to comment Share on other sites More sharing options...
Billy Apple Posted July 27, 2015 Share Posted July 27, 2015 email Petr Michalik http://www.michalik.cz/contacts-en It's him what makes them. I emailed a question about pup blend instead of vol vol. Got an answer very quickly. Seems like a nice guy. Quote Link to comment Share on other sites More sharing options...
goonieman Posted July 27, 2015 Author Share Posted July 27, 2015 good idea. done that, cheers Quote Link to comment Share on other sites More sharing options...
goonieman Posted July 27, 2015 Author Share Posted July 27, 2015 For the sake of posterity - turns out that I need linear after all! I was one click away from ordering audio! From Petr - (who responded same day!) [b]The wiring for one pickup is here:[/b] [url="http://michalik.cz/images/pdf/bp-4_rev2_en.pdf"]http://michalik.cz/images/pdf/bp-4_rev2_en.pdf[/url] [font=arial, sans-serif][size=3]volume pot should be audio[/size][/font] [b]Two pickups - balance, bass, treble & volume is here:[/b] [url="http://michalik.cz/images/pdf/bp-4_balance_rev2_en.pdf"]http://michalik.cz/images/pdf/bp-4_balance_rev2_en.pdf[/url] [font=arial, sans-serif][size=3]this balance pot should be linear - 2x500k/B or 2x250k/B for passive pickups, 2x25k/B for active ones[/size][/font] [b]Two pickups[/b][b] - 2[/b][b] x volume, bass & treble is here:[/b] [url="http://michalik.cz/images/pdf/bp-4_2volume_rev2_en.pdf"]http://michalik.cz/images/pdf/bp-4_2volume_rev2_en.pdf[/url] [font=arial, sans-serif][size=3]these volume pots should be linear, too - 500k/B or 250k/B for passive pickups, 25k/B for active ones.[/size][/font] Quote Link to comment Share on other sites More sharing options...
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