<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class="">These Edcor are 20-20k and are relatively cheap (compared to high end transformers). They work well for a passive ring mod.</div><div class=""><br class=""></div><a href="https://www.edcorusa.com/xsm10k-10k" class="">https://www.edcorusa.com/xsm10k-10k</a><div class=""><br class=""></div></body></html>