Should Amps be plugged into a power conditioner?

Power conditioners need to be rated so they will deliver enough power to the amplifier. They are usually rated in Watts. In any case, they need to deliver enough power for the dynamic peaks an amp will draw as well as the constant power needed. That being said, I have used a cheaper solution in a Tripplite power conditioner that regulates to 115v if the incoming line power is 85v to 145v. It also has Radio frequency filters. I currently use a Furman power strip ahead of the condioner.   I have used this product for decades with no sound degridation. I replace the condtioner afer 10 years. Anyone saying power conditioning is not helpful does not know how dirty power coming into your home is. Appliances kick in momentarily dipping the voltage. High and low frequency noise is distributed though the grid. This noise wears on power supply components. An oscilloscope will reveal all of the dirty signals propagating in the power. My last amp was 45yrs old before it was retired.

I think one of the most beneficial aspects of a Power conditioner is that it protects the hardware. I can highly recommend what I have used. A relatively cheap Tripp Lite Power conditioner. After a thunderstorm I see the low  voltage light turned on the device or the high voltage light turned on depending on the situation.  It is compensating for the incorrect voltage which is a good thing.  Also, I would expect noise on the line under those conditions. With either light indicating a problem with the line, and the device compensating, I have not heard any sonic degradation. Thank you.