This is saying a 220k log b potentiometer for the tone pot VR8, correct? That is such an extremely odd value, but I don't see that sort of notation very often either and I wanted to make sure I'm not misinterpreting. Thanks!
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3\$\begingroup\$ B is a linear pot. A is log. \$\endgroup\$– Eugene Sh.Commented Jan 12, 2018 at 16:44
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\$\begingroup\$ Can you add your comment as an answer so I can give you credit? Thanks! \$\endgroup\$– Jonathan S. FisherCommented Jan 12, 2018 at 16:45
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\$\begingroup\$ I don't have a reference, unfortunately. Without it the answer won't be credible. If I have one, I will add. \$\endgroup\$– Eugene Sh.Commented Jan 12, 2018 at 16:46
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\$\begingroup\$ Now I have it. Check it out. \$\endgroup\$– Eugene Sh.Commented Jan 12, 2018 at 16:56
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\$\begingroup\$ @EugeneSh. also on the wiki page for pots under heading "Resistance–position relationship" \$\endgroup\$– Tom CarpenterCommented Jan 12, 2018 at 16:57
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1 Answer
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According to the table given on this page, "A" stands for logarithmic potentiometer (Audio), and B is standing for linear one (In Asia and America at least):
answered Jan 12, 2018 at 16:56
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1\$\begingroup\$ Got to love the discrepancies from country to country. >_< \$\endgroup\$ Commented Jan 12, 2018 at 16:58
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2\$\begingroup\$ @TomCarpenter Yeah... well, at least the
Bthing is unique. \$\endgroup\$ Commented Jan 12, 2018 at 16:59 -
\$\begingroup\$ The taper goes by manufacturer, not country. Yes there are a typical schemes, but the manufacturer sets that label. \$\endgroup\$– drtechnoCommented Jan 12, 2018 at 22:58
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1\$\begingroup\$ I hate it when someone edits my posts, and gets it wrong... and I get negative marks because of it.... \$\endgroup\$– drtechnoCommented Jan 13, 2018 at 0:01