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In Reply to: RE: "there's no appreciable difference in FR for MC cartridges at 47k-ohms or 100-ohms" ... posted by bjh on October 22, 2014 at 17:59:22
It might have something to do with transient response or dynamic frequency response because I also hear differences with different loading. My DL-S1 sounds bright or perhaps I should say harsh and strident unless I load it down very heavily. It sounds quite good into a step-up transformer, but it needs heavy loading when connected to an active phono stage.
Best regards,
John Elison
Follow Ups:
The issue to me is that why do we hear sonic differences with different 'R' loadings ... when you say the FR plots don't change much with different 'R' loadings?
If, as you say, " It might have something to do with transient response or dynamic frequency response " ... then it seems to me that the FR plots themselves are basically irrelevant to the SQ that we hear?
Regards,
Andy
Frequency response plots are not irrelevant, but they measure only a small portion of the total picture. We see only the frequency response at one modulation level and since we are using a test record instead of a signal generator, we can't change the signal level. However, when the frequency response deviates from flat with significance, it can show us part of what we're hearing, just not the whole picture. Each of these tests show only a portion of the whole picture and even when we put them all together, they still might not describe everything that happens with real music. But, that doesn't make them irrelevant. They are important, but just not all encompassing.
Best regards,
John Elison
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