<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">Am 14.06.2024 um 16:54 schrieb Jean-Pierre Desrochers via Synth-diy <<a href="mailto:synth-diy@synth-diy.org" class="">synth-diy@synth-diy.org</a>>:</div><br class="Apple-interchange-newline"><div class=""><meta charset="UTF-8" class=""><div style="margin: 0cm; font-size: 11pt; font-family: Calibri, sans-serif; caret-color: rgb(0, 0, 0); font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;" class=""><span class="">The bottom picture shows what I’ve done to ‘place’ the inductor at the ‘sweet spot’ to get the less hum possible. Not bad..<br class="">But a shielded inductor could be fine (but expensives..)<span class="Apple-converted-space"> </span><o:p class=""></o:p></span></div><br class="Apple-interchange-newline"></div></blockquote></div><br class=""><div class="">It’s hard to tell what kind of inductor this is. Just a coil around a cylindric core? If so, I think placing some shield around it would change the inductance quite a bit.</div><div class="">Maybe an (still unshielded) inductor which is less susceptible to magnetic fields would help. Pot core?</div><div class=""><br class=""></div><div class="">Ingo</div></body></html>