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Poki168
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Oct 1, 2016
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I followed this eartip rolling instructions http://www.head-fi.org/products/nuforce-primo-8/reviews/11187#comments-title and fitted the Primo 8 with a combination of the smallest tips + JVC Spiral tips.... The sound did improve but I either must have unusual ear canals or I got spoiled by by my other cans of HD650, PM3, H6, THX-00, ... Fitting is definitely a factor as if I pressed against my ears to get a tighter seal, it improves again. However the Primo SQ is still not natural, it sounded "off". I only had about a hour so I will try to burn them in longer unattended. I also have a few other amps including tubes to try but those impediances are not right for IEM. The adventure continues to correct my own operator errors or compensate my ear canal defects.
Oct 1, 2016
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