Setting amp voltage help

[THATpurpleKUSH 5,000+ posts]

Set it for 46-51vac for a 1 ohm load.

 

[slikrider20 10+ year member]

Is the sundown d4 or d2? Wired in parallel?

Kind of important, considering you could be running a wide variety of loads going into the amp.

 

[slikrider20 10+ year member]

Sounds like you have the dual 2 ohm version, are you wired in parallel? If so, 1 ohm load. So, just take the sq rt of 1500 at that point for 38.8v. You'd have plenty of leeway as that amp can do far more before clipping.

 

[slikrider20 10+ year member]

In your initial post, you were taking 1500 times 2 when it should only be 1, assuming you're in a 1 ohm load.

 

[West1 10+ year member]

In your initial post, you were taking 1500 times 2 when it should only be 1, assuming you're in a 1 ohm load.

Correct, d2 wired in parallel. I've never setup an amp by volt and I was not sure if I had to do the math per coil (x2) or after it is wired (1 ohm load)... 1500*1=38.72 is right.

I hope to have time this weekend to mess with amp settings and swap out components.

tyvm guys

 

[slikrider20 10+ year member]

You got it. I've set my gains a million times with a DMM. While it's comforting to know, and to make sure your amp is functioning properly (gain has always been about 1/3 of the way up on my 5v deck) to reach calculated voltage, using your ears is the next best way.