Pioneer subs 300W RMS each...

[Preston019 10+ year member]

I currently have 2 Pioneer TS-W304R (12") running with a Kenwood KAC-8405 amp. I have the subs bridged to the amp in parallel (2Ohms). I know there is no rating for this amp at 2Ohms. It's rated at 180Wx2 at 4Ohms. I also have 2 speakers that are 40W RMS at 4Ohms each wired to the amp. I'm running, I believe, 4 AWG, possibly as small as 8 AWG, wire to the amp (the packaging the wire came in didn't state the size) and I have a 1 Farad capacitor as well, which I'm most likely going to remove.

I had a single 10" kicker comp hooked up to this amp before I put the two Pioneers in.

I only upgraded to the pioneers because I was looking for more punch from the sub(s).

I know that my amp cannot push 600W RMS when it is bridged no matter what.

I believe the amp is overheating because it started to cut out when it was pushing quite a lot of bass. Tell me if I'm wrong, but I think it's because of the subs wired at 2 Ohms. I talked to a guy at car toys saying I could run a DVC sub OR 2-4 ohm subs at 2 ohms to this amp and would give me ~300W RMS. I don't believe he was completely right.

Is the amp overheating because it's trying to push more power than it can handle to the subs, or because the impedance is too low; or could it be the wiring? Is there another way I could wire my subs/amp so that I can still get the most out of it; or would I have to get a different amp completely?

Any advice for better performance of the amp and sub is appreciated!

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[juanmgarza26 10+ year member]

first ditch that cap, second yes your resistance is too low, if specs say nothing about bridging to 2 ohms then its not recommended to do it, this could be damaging your amp, if your not planning on getting a bigger amp soon take care of what you have //content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif if your lights dim do the big three upgrade, look for the thread on it, the big three will help your system all around without needing the cap

 

[sjv13 10+ year member]

[quote name='Preston019']I currently have 2 Pioneer TS-W304R (12") running with a Kenwood KAC-8405 amp. I have the subs bridged to the amp in parallel (2Ohms). I know there is no rating for this amp at 2Ohms. It's rated at 180Wx2 at 4Ohms. I also have 2 speakers that are 40W RMS at 4Ohms each wired to the amp. I'm running, I believe, 4 AWG, possibly as small as 8 AWG, wire to the amp (the packaging the wire came in didn't state the size) and I have a 1 Farad capacitor as well, which I'm most likely going to remove.

I had a single 10" kicker comp hooked up to this amp before I put the two Pioneers in.
I only upgraded to the pioneers because I was looking for more punch from the sub(s).
I know that my amp cannot push 600W RMS when it is bridged no matter what.

I believe the amp is overheating because it started to cut out when it was pushing quite a lot of bass. Tell me if I'm wrong, but I think it's because of the subs wired at 2 Ohms. I talked to a guy at car toys saying I could run a DVC sub OR 2-4 ohm subs at 2 ohms to this amp and would give me ~300W RMS. I don't believe he was completely right.

Is the amp overheating because it's trying to push more power than it can handle to the subs, or because the impedance is too low; or could it be the wiring? Is there another way I could wire my subs/amp so that I can still get the most out of it; or would I have to get a different amp completely?
Any advice for better performance of the amp and sub is appreciated![/QUOTE]

You are severely under-powering your subs. You could get so much more out of them. My suggestion is to use the Kenwood amps for the speakers, and buy a new amp for the sub. You could find a decent one used on here for $100-150.

Also, is the box the subs are in premade? I'm guessing it is. But the box is SOOO important to the performance of your substage. I'd HIGHLY recommend looking into getting a custom box. You can get one from @pro\-rabbit; or @double 07; for around $150-200 shipped.

You'd be amazed how big of a difference more power and a proper box will make for you.

 

[nvturbo 10+ year member]

Get another amp to run the smaller speakers. You're literally killing the amp.