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Eric Jacobs: > The test results that > I am offering show the difference between MM and MC. Not necessarily so. The two types of cartridges that we are speaking of M44 and SPU have significantly different weight and stylus compliance so the arm mass/cartridge compliance LF resonance will show greatly differing LF resonance frequency and Q of resonance. Unless controlled it will show itself as audible defects when trying to do a declick pass on the soundfile and here the M44 is at a disadvantage compared to the greater mass and lower compliance of the SPU. What happens is that at LF having a large subsonic component makes the software produce artifacts that makes it sound as if there´s a worse end result. Controlling the LF resonance in various ways to lower the Q and getting the resonance frequency at say 10 to 15 Hz together with HP filtering BEFORE doing the declick pass makes the end result almost identical in my experience. -- Best, Goran Finnberg The Mastering Room AB Goteborg Sweden E-mail: [log in to unmask] Learn from the mistakes of others, you can never live long enough to make them all yourself. - John Luther