If it were me, I would not use a limiter till the very end of chain. Ideally the limiter is there only for a last change check and should never be activated. If it is activeate then it should be fixed further up the chain. Use a compressor instead further up the chain. Use the threshold to trigger when it starts and an extended soft knee. Use a higher ratio to trim off the output. If you hear the trim, reduce the ratio back toward 1:1 or even the threshold. You could apply this to the bass on the vox to keep it under control. I use this method to control the mud on an acoustic guitar though a bit more envolved.
There is a set of tools I use from Tokyo Dawn. They have a really nice parametric 5 band EQ that includes individual compressors for each band. It is called Nova and is free, The paid version, Nova GE, is not that expensive and includes some additional tools that are really nice. There is another VST that is called SlickEQ. It is a really nice tool that can be used on final mixes or individual tracks. For me tool allows me to take individual frequendy ranges and spread or place them across the virtual stage. Bass frequencies can be set to cover the entire stage while the highs can be placed to the right and spread over a percentage of the stage. There are some other tools that apply to max highs and lows frequencies. This tool can really sharpen up a dead recording. The other tool, and is free, is the Kotenlinkov compressor. It is a really nice end of the chain compressor. Take a look at these. Remember that my use is strictly for acoustic. If you are having trouble with individual frequencies and not necessarly tracks these tools can help.
