Sidebar

Sundown SA 12's Sound Weak

Reply
  • 6
    Participant count
  • Participant list
Jump to latest
A

AndrewHD
10+ year member

Senior VIP Member
310
0
Orange County, CA
Hey guys I installed 2 Sundown SA 12's in my Impala a while ago and it is not as impressive as it should be. Box is custom made by Buck 4.0 cu ft net at 31hz powered by a Rockford 2500.1 at 4 ohms. I think it may be due to a low pre amp voltage on my Eclipse AVN 726e (5V preamp). Does anyone know how to test pre amps and where would I put the black and red probes from the multimeter? A picture or video would help so much. I have heard that this unit needs to have the volume up to the max and sub setting maxed out to get 5 volts so I am skeptical at this point

Click to read more...
 
I had a pair of sa12s in my impala on 2k and it was pretty nice ..did 145.4 on tl..gota be something simole if you didnt notice a difference at 1 ohm
Click to expand...
I think its the headunit's sub out pre amp. The front and rears pre outs are far more powerful than the sub out. Not sure why Eclipse would do that. I have had around 3 different setups now with the same headunit and they all did not impress. Probably only hits 120db at the moment

 
From the looks of everything i highly doubt there is an issue with the preamp as even 2v preamp should be good, but this H/U does atleast 2v to the sub if not more.

That fosgate amp should easily be doing 3k watts at 1 ohm.

Have you attempted to raise the subwoofer output to +6 on the H/U?

Also do you have any voltage drop??

You seem to either be having bad gains or you have gains set incorrectly on the H/U.

 
From the looks of everything i highly doubt there is an issue with the preamp as even 2v preamp should be good, but this H/U does atleast 2v to the sub if not more.
That fosgate amp should easily be doing 3k watts at 1 ohm.

Have you attempted to raise the subwoofer output to +6 on the H/U?

Also do you have any voltage drop??

You seem to either be having bad gains or you have gains set incorrectly on the H/U.
Click to expand...
I tuned the system with a DD-1 with all settings at 0 (flat settings). I have even tried +6 on the HU but still does not get as loud as it should. Crossover is set at 50hz on the sub amp

 
No it was a pioneer and used a audio control line driver. I always thought eclipse had pretty good headunits.
Click to expand...
Hmm maybe I'll try track 5 or even 7 on the DD-1 again although I have tried them all before. I am still somewhat of a noob and don't really know much about setting gains so I just use the DD-1

 
I tuned the system with a DD-1 with all settings at 0 (flat settings). I have even tried +6 on the HU but still does not get as loud as it should. Crossover is set at 50hz on the sub amp
Click to expand...
turn off low pass filter when your setting up your amp gains and set it to 80 once your done. Sometimes the DD-1 is very restrictive of how loud you can get. A moderate to heavy clip will burn coils but a soft clip is perfectly fine for daily listening too.

Keep sub level at +6. Use the Digital Multi-Meter method to see how much power your getting out of the amp.

 
Activity
No one is currently typing a reply...
Old Thread: Please note, there have been no replies in this thread for over 3 years!
Content in this thread may no longer be relevant.
Perhaps it would be better to start a new thread instead.
Previous topic Next topic

Similar threads

A
Hot! Sundown sa15 rattling sound
Never did tear them down since they still play happily ~200 watts over rms for hours every day lol
50
7K
Subwoofers
Ajf23
A
Mr FaceCaser
Sundown Uv2 12s
You stated you have an SIA 3500 right now. I would run it for now with the supply for the demand, until you decide you want more power and have...
3
260
Subwoofers
audiobaun
audiobaun
T
Help identifying sundown audio 12" subs
Wow thanks! Looks like you're right. Appreciate it a lot.
2
664
Subwoofers
tacomanrandysavage
T
Tr1cky42
2 SVC 2ohm JL w3 in parallel w/ sundown SFB-1000D
??????????????????????????????????/Is this your sub model#??????????????????????
7
815
Wiring, Electrical & Installation
audiobaun
audiobaun
Bogie83
Fosgate t1500-1bd / Sundown X15 v.2
Wired to option #1 would be ideal for those subs. I have quite a few 10s. in the proper enclosure, tens can get down pretty good with the right...
10
1K
Amplifiers
audiobaun
audiobaun

About this thread

A

AndrewHD

10+ year member
Senior VIP Member
Thread starter
AndrewHD
Joined
Location
Orange County, CA
Start date
Participants
Who Replied
Replies
16
Views
4,666
Last reply date
Last reply from
Jeffdachef
Share thread
IMG_1052.jpeg

GoldCountryCA

    Apr 26, 2024
  • 0
  • 0
IMG_1046.png

GoldCountryCA

    Apr 26, 2024
  • 0
  • 0

Latest topics

Top
Menu
Home
Refresh