Best amp for Polk LSi15

I have been using the Lsi15s with a NAD C372 going on three years with no desire to upgrade this combo.

Very balanced sound, resolving and involving in my opinion. This applies to all listening levels.

I enjoyed my LSi15s with a McCormack DNA-1. The bass can sound a little bloated without some good clean power.

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back when had them i had a denon amp pushing them , and remeber being pretty happy with the sound.