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Old 02-13-2010, 10:20 AM
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dfkt dfkt is offline
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Originally Posted by Ben4345 View Post
I noticed the lowest is 80 HZ, but I like it to go to 20HZ, 40HZ and 60HZ.

Is there any mods to do this?
Originally Posted by h1a8 View Post
It's a shame too because the older Cowon players (like the G3) was able to do 60Hz.

Cowon are you listening? 50-60Hz is the sweet spot for bass (not 70Hz nor 80Hz).
Originally Posted by Ben4345 View Post
How so?
The lowest band of the Wolfson chip's hardware EQ is a shelf, not a notch like the three middle bands. It affects all frequencies below 80Hz equally. Since it is a 'hard-coded' EQ of the S9's DAC chip, one can't choose other center frequencies than the ones available.

In short: it *does* affect 20, 40, 60Hz the same way it affects 80Hz.

Datasheet (look at page 115 ff. to see how Wolfson implements an EQ):
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