Help need your comments: Needle Drop Configurations for CD-4 no RIAA EQ via Phono to PC

[cometphoton]

Looking for comments on the attached circuit. I want to build a Phono Circuit. The circuit uses a Turntable / CD4 Cartridge that inputs signals directly into a PC.

Then use PC DAW software to create music files. Next the goal is to use 3rd party software ( Example Stereo Lab ) to Equalize, Decode the files I build into a 5.1 files.
I will do this for CD4 and other Quad Formats.

Circuit Flow
CD4 turntable phono jacks > Radio Shack 274-017C transformer > Presonus Balanced input to Mic Pre amp > Firewire into a PC> DAW Software to build file
Then Drop File into Stereo Lab software and process into 5.1.

 

[quadsearcher]

The Radio Shack 274-017C transformer might not have the needed frequency response on the high end, being made for instrument DI into a mixer. It also might reduce level. I'd try to go unbalanced into a preamp.

 

[cometphoton]

The Radio Shack 274-017C transformer might not have the needed frequency response on the high end, being made for instrument DI into a mixer. It also might reduce level. I'd try to go unbalanced into a preamp.

Thanks for the comments, Are you aquainted with Stereo Lab Software? I will take it into consideration. The unbalanced signals are very low or weak. So what do you recomend to compensate for the low signals.

 

[winopener]

Have a look here

http://pspatialaudio.com/flatpreamp.htm
then the entire site... it is realy full of intresting stuff for that task.

 

[proufo]

These could be useful:

<https://www.amazon.com/Behringer-Microphono-PP400-Ultra-Compact-Preamp/dp/B000H2BC4E?th=1>

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Check comments after "How can I further mod this preamp to make it flat (non-RIAA)?"

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My understanding is that there are ways to create a transfer function (an equation) from a circuit. If so, it should be possible to create a transfer function for ANRS from the Dorren schematics.