ER-4P ２２Ω
ER-4S １００Ω
ER-4B １００Ω ０．２２μＦ
http://3.bp.blogspot.com/-iL7o5drFdTk/UCjKgbM8gOI/AAAAAAAABCI/dC8WckdM3M8/s1600/Untitled.png
http://blog-imgs-52-origin.fc2.com/m/o/n/monoadc/FR_official_ER-4s.png
ER-4P ２２Ω
ER-4S １００Ω
ER-4B １００Ω ０．２２μＦ
http://3.bp.blogspot.com/-iL7o5drFdTk/UCjKgbM8gOI/AAAAAAAABCI/dC8WckdM3M8/s1600/Untitled.png
http://blog-imgs-52-origin.fc2.com/m/o/n/monoadc/FR_official_ER-4s.png