<html><head></head><body><div style="color:#000; background-color:#fff; font-family:verdana, helvetica, sans-serif;font-size:13px"><div id="yui_3_16_0_1_1454278959920_2901" dir="ltr">Agreed, Tom. Strap an ESR meter to those caps and watch the resistance shoot up. Replace them and watch you AC ripple fall. </div><div></div><div id="yui_3_16_0_1_1454278959920_2900"> </div><div class="signature" id="yui_3_16_0_1_1454278959920_2810"><div id="yui_3_16_0_1_1454278959920_2809"><font size="2" id="yui_3_16_0_1_1454278959920_2808">Sincerely, <br> </font></div><div id="yui_3_16_0_1_1454278959920_2864"><font size="2" id="yui_3_16_0_1_1454278959920_2863">Chris Juried <br>Audio Engineering Society (AES) <var id="yui-ie-cursor"></var>Member <br>InfoComm-Recognized AV Technologist</font><span class="postbody" id="yui_3_16_0_1_1454278959920_2869"><br><a rel="nofollow" target="_blank" href="http://www.juriedengineering.com/" id="yui_3_16_0_1_1454278959920_2868">http://www.JuriedEngineering.com</a> (Juried Engineering, LLC.)</span></div><div id="yui_3_16_0_1_1454278959920_2888"><font size="3" id="yui_3_16_0_1_1454278959920_2894"><font size="2" id="yui_3_16_0_1_1454278959920_2893"><br><br>This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any distribution or copying of this email, and any attachments thereto, is strictly prohibited. If you have received this email in error, please immediately notify me and permanently delete the original and any copy of any e-mail and any printout thereof.</font></font><br></div></div><br> <div class="qtdSeparateBR" id="yui_3_16_0_1_1454278959920_3038"><br><br></div><div class="yahoo_quoted" id="yui_3_16_0_1_1454278959920_3042" style="display: block;"> <div style="font-family: verdana, helvetica, sans-serif; font-size: 13px;" id="yui_3_16_0_1_1454278959920_3041"> <div style="font-family: HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif; font-size: 16px;" id="yui_3_16_0_1_1454278959920_3040"> <div dir="ltr" id="yui_3_16_0_1_1454278959920_3039"> <font size="2" face="Arial" id="yui_3_16_0_1_1454278959920_3043"> <hr size="1"> <b><span style="font-weight:bold;">From:</span></b> Tom Wiltshire <tom@electricdruid.net><br> <b><span style="font-weight: bold;">To:</span></b> rsdio@audiobanshee.com <br><b><span style="font-weight: bold;">Cc:</span></b> "synth-diy@dropmix.xs4all.nl diy" <synth-diy@dropmix.xs4all.nl><br> <b><span style="font-weight: bold;">Sent:</span></b> Sunday, January 31, 2016 5:04 PM<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [sdiy] [AH] Arp Solina with excessive chorus noise<br> </font> </div> <div class="y_msg_container" id="yui_3_16_0_1_1454278959920_3044"><br>I don't see what's "premature" about putting fresh caps in the power supply of something from the 1970's. Those caps are probably 40 years old!<br clear="none"><br clear="none">Tom<br clear="none"><br clear="none">On 31 Jan 2016, at 19:30, <a shape="rect" ymailto="mailto:rsdio@audiobanshee.com" href="mailto:rsdio@audiobanshee.com">rsdio@audiobanshee.com</a> wrote:<br clear="none"><br clear="none">> Just say "no" to premature re-capping.<br clear="none">> <br clear="none">> On Jan 31, 2016, at 11:21 AM, <<a shape="rect" ymailto="mailto:tprivitera@nc.rr.com" href="mailto:tprivitera@nc.rr.com">tprivitera@nc.rr.com</a>> wrote:<br clear="none">>> I recently picked up a 70's Arp Solina String Ensemble. It has the button on the right cheek block to turn the chorus on/off and it is not the later version with LEDs.<br clear="none">>> <br clear="none">>> It's in pretty good condition, every function works and it sounds great, but there is, in my opinion, excessive noise and 'swooshing' when the chorus/modulation circuit is engaged. It is dead silent with the chorus turned off. Not a big deal when you are playing notes or chords, but enough to be annoying when it's idling.<br clear="none">>> <br clear="none">>> I downloaded the service manual/schematics and it looks like there are adjustment pots on the modulation boards. Anyone had one with a similar issue adjust these or can suggest some ideas to reduce the noise? I will be re-capping the power supply later this week for preventative maintenance, as I do with all my synths, combo organs, etc.<br clear="none">> <br clear="none">> _______________________________________________<br clear="none">> Synth-diy mailing list<br clear="none">> <a shape="rect" ymailto="mailto:Synth-diy@dropmix.xs4all.nl" href="mailto:Synth-diy@dropmix.xs4all.nl">Synth-diy@dropmix.xs4all.nl</a><br clear="none">> <a shape="rect" href="http://dropmix.xs4all.nl/mailman/listinfo/synth-diy" target="_blank">http://dropmix.xs4all.nl/mailman/listinfo/synth-diy</a><div class="yqt5133496082" id="yqtfd74717"><br clear="none"><br clear="none">_______________________________________________<br clear="none">Synth-diy mailing list<br clear="none"><a shape="rect" ymailto="mailto:Synth-diy@dropmix.xs4all.nl" href="mailto:Synth-diy@dropmix.xs4all.nl">Synth-diy@dropmix.xs4all.nl</a><br clear="none"><a shape="rect" href="http://dropmix.xs4all.nl/mailman/listinfo/synth-diy" target="_blank">http://dropmix.xs4all.nl/mailman/listinfo/synth-diy</a><br clear="none"></div><br><br></div> </div> </div> </div></div></body></html>