fdd5d689_e_Notes_on_Coupling_Capacitors__Impressions_HV
[Brand] Nichicon/Sonicap Muse ES series 4.7uF/50V Bi-Polar Electrolytic bypassed by Sonicap Gen 2 0.22uF/200V $0.45 + $3.30 [Impressions LV] I am not always a huge fan of bypassing, but in this case, it worked really well. The high end opened up and mids were liquid without a hint of grain. There are too many permutations to try bypassing every cap by every other cap, so I can't say how the Sonicap compares to other bypasses, but I can say that this combination was great and absolutely worth the experiment. [Rating] 3 [Impressions HV] 
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ecp audio diy: Some Notes on Coupling Capacitors
Impressions HV