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NannerPuddin
Copper Member

USA
11 Posts
Posted - 02/24/2009 :  21:37:33  Show Profile  Reply with Quote
I am trying to get more bass response out of my SD-1. I am considering using the AMZ Fat mod, activated with a switch, as detailed here:
http://www.muzique.com/lab/fatt.htm

Has anyone done this? And if so, which is the eqivalent capacitor on the SD-1? And how did you connect the 4.7k resistor to the 4.5v?

Thanks,

Doug

cctsim
Silver Member

United Kingdom
418 Posts
Posted - 02/26/2009 :  01:06:59  Show Profile  Reply with Quote
The corresponding SD-1 capacitor is C3. The 4.7k resistor is R6.
However, the order of C3 and R6 is swapped in SD-1.

C3 connects directly to 4.5V, so you should be able to do the mod without any problems.
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cctsim
Silver Member

United Kingdom
418 Posts
Posted - 02/26/2009 :  01:12:51  Show Profile  Reply with Quote
Here is the location of C3 and R6 in the SD-1 schematic:



You can see where it connects to 4.5V in the middle of the voltage divider.
Edited by - cctsim on 02/26/2009 01:17:52
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NannerPuddin
Copper Member

USA
11 Posts
Posted - 02/26/2009 :  19:27:38  Show Profile  Reply with Quote
Thanks! I just jumpered the C3 and it did add alot of bass. I'll have to play it for a while to see if I like it or not.

Thanks for the help!

Doug
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