I have put lots of thought in to this when I made my First panels and I used aluminium tape and have had little to no issues in the First 7 years that I used it.
Since then, starting in 2010, I have been using a graphite based charge ring and I have had asolutely no issue what so ever yet!!
Here are a few threads describing my method and experience using the new process,
http://www.diyaudio.com/forums/planars-exotics/109789-esl-diaphragm-coating-7.html#post2142822
http://www.diyaudio.com/forums/planars-exotics/109789-esl-diaphragm-coating-7.html#post2078272
http://www.diyaudio.com/forums/planars-exotics/191266-must-do-all-esl.html#post2614029
http://www.diyaudio.com/forums/planars-exotics/191266-must-do-all-esl.html#post2614147
FWIW
jer 🙂
Since then, starting in 2010, I have been using a graphite based charge ring and I have had asolutely no issue what so ever yet!!
Here are a few threads describing my method and experience using the new process,
http://www.diyaudio.com/forums/planars-exotics/109789-esl-diaphragm-coating-7.html#post2142822
http://www.diyaudio.com/forums/planars-exotics/109789-esl-diaphragm-coating-7.html#post2078272
http://www.diyaudio.com/forums/planars-exotics/191266-must-do-all-esl.html#post2614029
http://www.diyaudio.com/forums/planars-exotics/191266-must-do-all-esl.html#post2614147
FWIW
jer 🙂
