Phono pre amp

Would help if you say what settings are available on your phono stage.  Not all of us are intimately familiar with it.  Also, what is the internal resistance of your cartridge and what is its nominal output?

@lewmspecs 
The specs are hand written inside the box the cartridge came in, and the handwriting is poor. I think the output is .65mV. I think the MC resistance is 9 ohms +/- 10%. The load imp is 20 ohms to 47 kohms. There are 5 inputs MC/MM and 8 resistive settings for each. I'm currently set at 47k. It has a +6db setting which is currently on and sounds good. I've read the manual it says use the cartridge set up data sheets which as I said are hand written, or use your judgment as to what sounds the best? Anything else?

Phono cartridges put out voltage, and not much of that, but even less current. Because of the lack of current most of them sound more powerful and dynamic with a very high resistance, typically 47k Ohms. But this can result in something called ringing, an emphasis or hardness in the top end. A main reason MC are often regarded as having an exaggerated top end.  

The solution is to load them down with loads that can go down into the hundreds or even tens of ohms. This greatly rounds out and warms up the sound. But because of low cartridge current output it can also at some point start to "run out of gas" resulting in decreased dynamics, detail and vitality.

Where exactly this point comes is entirely subjective. You can only decide for yourself. We are not talking minor hard to hear differences here either. One will stand out to you as right, or at any rate much better than all the others. Just try some different values. You will see.

@millercarbon Thanks for the explanation. I thought there would be one specific setting for resistance that should be used based on the cartridge. I will experiment with it today to see where the sweet spot is that does what you said.