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Too much bass in my PAS3-X

Way to much bass in my Pas3x...mids and highs are fine. I rebuilt/upgraded this (both original boards) with the same or similar value components resistors and caps; nothing boutique. It made a huge pleasant difference in the preamp except for the bass. Tone controls and the loudness switch are disconnected. The exaggerated bass is present in all selector switch positions.

The only major change in components was to the power supply by using 4700uF caps instead of the original 2000uF's and replacing the SR with diodes. I'm using this connected to a standard Sansui AU-717 for the amplifier.

Do you guys have any suggestions as to why I might be having this problem?

Thanks all!



Edits: 09/23/13

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Topic - Too much bass in my PAS3-X - Kico 10:30:44 09/22/13 (2)

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