Is it bad to mix 18 gauge speaker wire with 13 gauge speaker wire

[Preka4]

On thw back of my pioneer head unit cables are 0.75mm2 and I want to connect them to 2.5mm2 speaker wire that goes to the back speakers,I used thicker wire because it is 5m long. Is it bad or is it dangerous for head unit to mix these 2 speaker wire gauges?

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[LosIsATool 5,000+ posts]

No it's fine as long as the length of the 18awg can handle the power.

 

[Preka4]

This 18 gauge wire is just 20cm long,so it is Ok?

But when I used 0.75mm2 that is 5m long I had higher sound(better highs) and now with 13gauge I have lower highs but deeper bass I think. Is that normal?

 

[LosIsATool 5,000+ posts]

That's either in your head or something wasn't or isn't hooked up right.

 

[Preka4]

Everything was connected correctly but they do sound better on thiner wire.

 

[LosIsATool 5,000+ posts]

Not possible. It don't work that way.

 

[Preka4]

Is it possible that because wire is thicker resistance is lower so my head unit doesn't have enough power to run them?

 

[LosIsATool 5,000+ posts]

Is it possible that because wire is thicker resistance is lower so my head unit doesn't have enough power to run them?

Lol no. That's not how it works. Read the resistance on each peice. You will see for yourself.

Now if the wire is to small it could build up heat and add resistance but that's not happening with a head unit amp.

 

[Preka4]

So you are saying that it's ok to connect spekers this way? Thank you for your replies.

 

[LosIsATool 5,000+ posts]

Yes. If add a real amplifier in the future you will want to change the 18 out.

 

[Preka4]

I just realised that this 13 gauge wire is really soft compared to thinner wire that is really hard. Can that be problem?