Does amp need retuned?

RamLimited

CarAudio.com Newbie
Installers wired my subs to 4ohms at the amplifier, even tho told them to do it to a 2ohm load. They tuned it and I hadn’t realized for months that they wired it to 4 ohm.

So question is: if I simply rewire the subs into the amp at 2 ohm, do I need to retune all the amp levels, or is it already set to the loudness of the receiver? Meaning i wouldn’t have to attempt to retune it myself, and could simply drop down to 2ohm without messing with anything?
 

RamLimited

CarAudio.com Newbie
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  • #3
There is no way it could be wired to 2 ohms if it’s currently at 4 ohms. I’m assuming you have dual 4 ohm subs, which makes wiring options at 4 or 1 ohm. Dual 2 ohm subs can we wired at .5, 2 or 8 ohms.
Yes it absolutely can. And that wasn’t my question
 

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RamLimited

CarAudio.com Newbie
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  • #7
2 what’s the
You’re wired at 4 ohms x 2, not just at 4 ohms. Looks like you have it all figured out anyway. Just retune it. No biggie.
You have a 1 channel amplifier. One of the diagrams you linked to show 2 channel amplifiers.
oh, I thought a 1 channel just had 1 positive and one negative. Mine has 2 sets
 

RamLimited

CarAudio.com Newbie
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  • #10
You have to bridge those......lol, right Rob?
I see that’s funny lol yeah I’m a noob with a Google education. regardless are these 2 setups: the 4 ohm x2 picture that I have now, and the 2 ohm pic I wanted to do… they are or are not equal?
 

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SlugButter

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I see that’s funny lol yeah I’m a noob with a Google education. regardless are these 2 setups: the 4 ohm x2 picture that I have now, and the 2 ohm pic I wanted to do… they are or are not equal?
Yes. It’s the same 2 ohm load in the end. A mono amp just bridges the 2 4 ohm loads at the amplifier. Doing it inside the box on the subs does the same thing.
 

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