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Michael_Joly · 13th December 2009

A lot of MXL v67 mics cross my bench, today I came across one with an interesting factory mod - two signal path electrolytic capacitors had been bypassed with additional small value polypropelene types on the bottom side of the board. First MXL mic I've ever seen this done way. This is one way to attack the problem of using electrotylics in the signal path. The other, and the approach I take, is to replace the polarized electrolytics with non-polarized types.

It was surprising to see MXL's post-design revision - one intended to reduce distortion and edge heard when non-bypassed, polarized electrolytic caps are used in the signal path. Still had the edgy ceramic disc input coupling cap and congested-sounding stock FET though.

13th December 2009	#307
Michael_Joly 3 + infractions, forum membership suspended. Joined: Nov 2005 Location: Cape Cod Posts: 2,735	MXL v67 A lot of MXL v67 mics cross my bench, today I came across one with an interesting factory mod - two signal path electrolytic capacitors had been bypassed with additional small value polypropelene types on the bottom side of the board. First MXL mic I've ever seen this done way. This is one way to attack the problem of using electrotylics in the signal path. The other, and the approach I take, is to replace the polarized electrolytics with non-polarized types. It was surprising to see MXL's post-design revision - one intended to reduce distortion and edge heard when non-bypassed, polarized electrolytic caps are used in the signal path. Still had the edgy ceramic disc input coupling cap and congested-sounding stock FET though.