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box help - 2 Sundown xv3s - Joe X?


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Posted

Yes the max dimensions provided were really tight, hopefully it meets your goals anyways, let us know.

  • 3 weeks later...
Posted

Indeed, an overall nice system, box looks great also,  also curious if it met you expectations performance wise.

Posted

I haven't gotten good results yet, having voltage issues, I bought a US Alternator fixed module set to 14.8 volts to externally regulate my Singer alt, to combat the GMC RVC, but it doesn't work, for some reason. I'm stuck at 13-13.2 volts, so I drop down to low 12 volts before I can even get half way up.

 

Did 147.8 at 36hz peak at 12 volts on the glass, extremely not ideal.

 

Going to send my alt back to get internally regulated, I chose to try this module so I didn't get the "check charging system" error on the dash, ended up with a $200 paper weight module..

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Posted

Yes 12V dips is pretty bad, call singer for solutions, this is a pretty common issue, I am sure they will get you some answers.

Posted
18 hours ago, Joe X said:

Yes 12V dips is pretty bad, call singer for solutions, this is a pretty common issue, I am sure they will get you some answers.

 

Yea, I knew it was going to be some trial and error on the voltage, soon as this module didn't work, like it was supposed too. I should have went internally regulated from the start and saved myself $200 and headaches.   I don't think this headway bank is sufficient enough either for this Smart Bass 8k.  I have been looking into Cmax, just not sure, I want to be charging at 15-16 volts in this vehicle.  GMC Terrains have enough issues as it is. So. I'll see what I can do, when I get my alt internally regulated and go from there, which will likely take a bit since Singer is a busy guy.

 

For now, I have it tuned to 2800 watts rms on my basshead garage meter, all I can do without crazy voltage drop.

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Posted

That's a really nice system. Congratulations !
I stopped upgrading when I had my first regulated electrical system in a car. The voltage wouldn't go above 13.7 v.
An HO alt wouldn't have change nothing for me at that time. Maybe it's possible now.
Good luck, OP.

black BMW X1 2.0 l 192 hp

OEM head unit, Amplifiers Audison AP 8.9 with integrated DSP and Ampere Audio 1200.

Focal ES 100 K in front doors, and Dayton RS 180 for midbass under the front seats.

2 SSA DEMONS 10" subs, in a sealed box. SecondSkin Damplifier on front doors, and Luxury Liner Pro for the cargo area.

 

  • 8 months later...
  • 1 month later...
Posted
On 7/11/2025 at 7:12 AM, Kidd704 said:

How did the box turn out? I have the same exact equipment, and I'm looking to build a new box myself.

On 7/11/2025 at 7:12 AM, Kidd704 said:

 

It turned out great, after the subs broke in and I was able to get my voltage stable, it's a 150+ db daily.  Hits the lows with authority and does decent up to around 50hz.  I have been running little over 6k watts clamped on them for quite awhile now.  Added a short clip of them bumping. (the highs get drowned out when I record with my phone, but I can hear the highs just fine in person lol)

cooltext465730230134121.png.05f348816f9bf62db0de1f3ec0a90956.png

 

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