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Old 5th October 2010, 03:02 AM   #1
wabun is offline wabun  United States
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Default Active RIAA lack off BASS

I constructed a FET phono stage, please with it but the bass is too too soft, it is very little bass..I suspect it might due to the active RIAA network but not sure, any idea if the C-R value is correct ? Thanks

----- 820K ------------------ 24K--------
| | |
-----| | |--------
| | |
----- 0.0015uf------ ---------0.004uf-----

How to increase BASS in active RIAA feedback ? I tried increase the value of
coupling cap, but it will only muddle the sound, no help
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Old 5th October 2010, 07:33 PM   #2
oshifis is offline oshifis  Hungary
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Try with these values:

820K || 0.0039 uF
75K || 0.001 uF
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