Alps Blue Velvet Potentiometer & Aluminium Volume Knob

Dealing with matching input impedance is not an easy job. It is more complex when more one active unit involved in the audio system. Despite many audio builder like me still ignore with it, but the truth is, matching the input impedance between the amplifier and the source will improve overall sound quality.

Is it Fake CMC RCA Jacks?

The ordered for a pair female CMC RCA has arrived last week. What makes me questioned this RCA is the CMC logo is printed on the body instead on engraved.  I am really suspicious the fake CMC I got here.