Low incoming voltage

You need what is called a "voltage regulator."

Most power conditioners don’t have this feature because it is always expensive on account of the big, heavy iron and copper parts, and for most of us it is not needed. In your case you really do. Here’s the one I use when needed:

https://amzn.to/2EmQSnn

Make sure your wiring is up to snuff, and that if you have fuses they have not been altered from code. Voltage regulators aren’t magic, they trade voltage for current, so they may push the current a little more.

If you don’t mind spending more and want all the noise and surge protection bells and whistles, this is the fancy version:

https://amzn.to/2QlEma3

Again, they key word here is "regulated." Furman makes a few conditioners which are regulated, and many that are not. Whatever brand you buy, you want to make sure it includes that phrase.

PS Audio regenerators do this, but at a severe cost penalty. Also, the Sanders Mag-Tech amps have built in compensation for this. Good amps by all accounts.


Best,

Erik

You're getting a steady 109-111V. So what again is the problem? None that I can see. Other than incompetent democrat government. But I repeat myself. But as far as electricity goes, there is no problem. US voltage is just as often quoted as 110 as 120, in either case its nominal, with zero ill effects anywhere in that range. Higher is marginally better but this just isn't anywhere near worth spending money on. Especially not when it immediately puts you in a situation of trying to find something high enough quality to not actually make things worse. If you were talking 105V that would be one thing. 109 to 111 is precisely where you ought to be, 110.

As for properly running your amps, by far the largest load they present is right at turn-on. Once their power supplies are charged then it becomes music draw, which even if your last name is VanHalen you still cannot draw as much playing music as charging the caps at turn-on. So relax. Visit the cannabis shop, get yourself some nice stinky green bud. Make the most of it.

If it wasn't for the "democrat government," there would be no "nice stinky green bud."

118-120 should be the norm. I actually blew a fuse in one of the amps because of this.  The system in no way sounds as good at 110 as it does at 120.  Three dedicated 20 amp circuits with 10 Ga Romex     The electric co says 110 is acceptable but they strive for minimum of115. Maybe the Torus Co has something to help me out.