Newby problem with hum

Thanks everyone. We seem to be making progress.

Here's what I did. I went to Radio Shack and bought three cheaters: one for the CDP, one for the TT and one for the phono stage. This had almost no effect. While I was there I also bought some RF chokes that the guy recommended. I put six on the IC between the TT and the phono stage and this seemed to make the biggest difference. The hum from the CDP is completely gone and the hum from the TT is reduced quite a bit but still there when I crank up the volume. Originally I could hear the cartridge picking up a radio station. That's completely gone but at loud listening levels I can still hear a modest hum between tracks.

A couple more questions...

The guy at Radio Shack said that there my be a problem in the ground wiring in my house. Anyone ever heard of this or had problems with it? Is it worth getting my electrician out? Do the RF chokes affect the signal in any detrimental way? What I'm hearing does sound better already, but just thought I'd check before I go buy a bunch more.

Could it also be a shielding problem with the Kimber Hero's? I've heard that they are shielded but maybe not. I have .5 meter lengths so I can't go any shorter here.

If there are any other ideas, I'm welcome to hear them.

Bundee, I don't have a spf guage so I don't really know how loud it is but it's pretty significant with the volume turned to 3 o'clock. Put it this way, it's still a significant hum.

Steve

Thanks everyone for your help, especially Jsawhitlock. I checked out the psaudio site and they have a great hum wizard. As it turned out my phono pre was sitting too close to the amp. I rearranged the configuration as well as put an aluminum shielding jacket on my cables and the hum nearly went away. It's now barely audible when I have it turned up to 3 o'clock, which is passible for now. I'm going to experiment with some better shielded cables since I can't get the components any farther apart in my rack. Hopefully that'll carry me the rest of the way home.

Thanks again!

You think the PSAudio cables are better than the Analysis Plus?

Js, I didn't say I was unhappy with the AP's. But then again, since I'm new to this I don't have anything to compare them to.

Hifimatt,

A cheater plug converts a three prong plug into two prong by eliminating the ground. It helps put everything on a single ground.