CJ Classic preamp options and help

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tvcollector
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CJ Classic preamp options and help

Post by tvcollector » Tue Nov 07, 2017 1:44 am

Hi All im new here and a big hifi fan i have recently purchased a CJ Classic preamp and thought it was a phono as well but research tells me its only preamp and if i wanted the phono stage i need to update it any chance anyone has any info on the update or parts list im pretty tech minded and would like to upgrade it myself? also updateing the original caps should i just go ahead and do them or stick with the original? cheers guys any help would be apreciated.

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Re: CJ Classic preamp options and help

Post by admin » Tue Nov 07, 2017 7:37 am

Unfortunately, we do not have the classic phono stage schematic in our database so if you wanted to build that from scratch you would need to find the schematic first. In all honesty, it would probably be much easier to get a stand-alone phono preamp (or build one if you are set on doing it yourself).
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Current Conrad Johnson Equipment in System: Evolution 2000, PV-12L, and D/A-2b.

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roberto
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Re: CJ Classic preamp options and help

Post by roberto » Tue Nov 07, 2017 9:18 am

Hola. Our Admin is right. The easiest way to do it, is to build or buy a stand-alone phono preamp. If you go this way, remember to try to get both types of cartridges. MC and MM. On the other hand, you could address your question direct to C-J. to Mr Jeff Fischel. He is a very handy person. You could ask him and perhaps he has the info that you are requesting. His email address is jeff@conradjohnson.com. Also, you can ask to Mr Fischel if you could upgrade your Classic to build the phono section and see if there is a kit for it. Remember to ask for MC. That is the type of cartridge that I do recommend for you. A little bit more expensive than MM, but much better high quality sound overall.
Happy listening!
ML CLX speakers, BF-210 sub, Classic One Twenty SE amp. ET-7 C-J pre. Exasound E-32DAC, Mac Mini i7, Anthem MCA-3 power amp, Anthem AVM-60, Oppo BDP-103. ML Stage X Center, Motion 4, BPTSignature 3.5 Plus condiciones.

tvcollector
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Re: CJ Classic preamp options and help

Post by tvcollector » Wed Nov 08, 2017 2:04 am

Hi guys awsome i was thinking of that but thought id ask as i wanted it all in one unit for neatness but im toying with the idea of making the Marantz 7 preamp any suggestions and yes for MC cartridge. cheers

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Re: CJ Classic preamp options and help

Post by admin » Wed Nov 08, 2017 7:35 am

You can try making the Marantz 7. I think there is some mixed opinion about the sound quality with newer components. I found this thread that you may want to read: http://audiokarma.org/forums/index.php? ... 7c.247031/
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Current Conrad Johnson Equipment in System: Evolution 2000, PV-12L, and D/A-2b.

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