Raul, You still don't get it. I suggest that you read this and other responses carefully before responding.
1) The RIAA curve is about flat frequency response. The record is recorded with the inverse of the RIAA curve and applying RIAA equalization produces flat frequency response.
Deviation from the RIAA curve produces frequency response deviations. You are a preamp designer?
2) The SG transducer (unlike traditional cartridges) inherently produces a frequency response curve that closely follows the RIAA curve so there is no need to do equalization in the preamp. I believe that this is one of the strengths of the SG. There is a significant sonic cost from any sort of equalization. That cost is eliminated with the SG. The down side is that the inherent equalization may not be as precise as well implemented RIAA equalization so the resulting frequency response may be less than perfect. I say "may" because I don't know the details about how closely the SG mimics RIAA.
As Flyingred aptly pointed out this thread is about how the SG sounds. I think it sounds great. Apologies for my part in the diversion.
1) The RIAA curve is about flat frequency response. The record is recorded with the inverse of the RIAA curve and applying RIAA equalization produces flat frequency response.
Deviation from the RIAA curve produces frequency response deviations. You are a preamp designer?
2) The SG transducer (unlike traditional cartridges) inherently produces a frequency response curve that closely follows the RIAA curve so there is no need to do equalization in the preamp. I believe that this is one of the strengths of the SG. There is a significant sonic cost from any sort of equalization. That cost is eliminated with the SG. The down side is that the inherent equalization may not be as precise as well implemented RIAA equalization so the resulting frequency response may be less than perfect. I say "may" because I don't know the details about how closely the SG mimics RIAA.
As Flyingred aptly pointed out this thread is about how the SG sounds. I think it sounds great. Apologies for my part in the diversion.