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I have two kicker Comp q class 12’s D4’s . Would the D’Amore E1500.1 be a good choice? The subs have an rms of 850 per. Thanks. Currently using a kicker CXA 1800.1 just not impressed with it.

the sae series is just a lower line of sundown amps... i would expect it to do rated if not a little more.

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i can change my post i am mainly interested in the sundown amps. were the amps rebuilt or is it the same amp in a new case? do they do more than rated?

delete please

will test this out on the weekend and see how it goes. sounds promising

Lucid, I have the same exact issue running the Fusion RA 770 with JL Audio M800v2 with M600/1 mono sub amp. Using downloaded test tones from SMD on a USB drive. HU was set up to recommended settings per SMD. The DD1 would detect a signal and show the correct test tone but I could turn up the volume to Max (24) with no clipping detection. Tested the DD1 on a different HU (Kenwood) and it performed perfect. Conclusion: The Fusion HU is free of clipping at max volume.

i remember these... good for something small... single 10/12 maybe a pair of 8s. i wouldnt expect to knock the block down with it, but if it works it should put a couple hundred watts out

My bro found this amp in a house he bought, not tested it yet to see if it works but will get round to that this weekend. cleaned it up since it was very dirty. are these amps any good or they just junk that doesnt even make rated power?

Oh well, looks like I am going to have to do it myself, which means it’ll probably never happen. I did learn that my Jabra 75t earbuds are pretty good when driving. No visceral feel, but at least I can hear music and not just tweeters.

you should be alright with the smaller box. it's not too far off recommended specs. i can't imagine that taking .7 off the box would cause you too much issue. going smaller on the box could increase back pressure and make it more difficult for the subs to move through their full extension. usually, you overcome this by putting more power to the subs. in your case i dont think you would need much extra power to overcome the undersize.

@crispy_chick3nOk, so I have definitely gotten hyper fixated on this. Started diving into cabin gain and wave paths and stuff. I never realized how in depth the hobby was but it’s super interesting. I have been running the simulations with an internal volume of 3ft^3. I know that this is under the recommended specs but it doesn’t affect sound levels that much and saves me a whole bunch of space (which I want to keep as much as possible). The air port speed looks good and the SPL graph does as well. Maintains about 120 decibels from 25-80 hz which is what I’m looking for. My main question is, is this size box fine? I know it’s lower than the recommended but going bigger than recommended is fine. So I assume that it would be fine to go lower but I’m not 100% sure.

no problem at all. if you have any more questions feel free to post them up and ill do my best to get them answered. i usually try to check in here a couple times a day and answer what i can.

Oh ok that makes a lot more sense. I also didn't realize how much more space tuning the sub that low would take. Just about halves the volume I would need for the total box. I'm going to play around with some calculations some more and I'll post the updated plans soon. Seriously thank you so much you have cleared up a lot.

the peak here is right in the playable band for a subwoofer. starts falling off in the 50hz range, which honestly on any of my systems thats where midbass starts to roll in at

the problem with tuning that low is most music doesnt go that low so tuning down there is wasted output. in a nutshell tuning that low will result in a quieter performing sub on almost all music. bringing the tuning up will give more output where its useful and enjoyable. essentially it would be like only turning the bass knob up half way. will it work, yea. are you leaving a lot on the table, also yea.

Oh sorry just saw your last post. Is the EQ that I attached above good? I didn't like the look of the hump at around 35 hz as it looks like it doubles in volume at that frequency. What is wrong with tuning a box that low? It looked as though the volume would be the same from 25hz all the way up which i thought was the goal but I could be 100% wrong. Thank you so much for all the help

@crispy_chick3nThe EQ that I attached was tuned at 24hz. So it looks like the calculations worked. Is it a bad thing to tune the box that low? I ran it through WinISD at 32hz tuning and didn't like the way it looked. Right now I have it in a box tuned by someone else so I am not 100% sure of the exact tuning but it is a little peaky and lacks the low lows that I am looking for. This is what the EQ looked like at 32hz.

hell id honestly like a little more port area per foot, but this might be ok. just have to check port air velocity on winisd. goal is sub 30 m/s. lower is better, but under that and you are usually a-ok

my suggestion would be to bring that tuning up a bit. into the 32-35 hz range. youll gain more output in a usable band. tuning that low (in the low 20s) isnt really good for music. and hell even tuning in the low 30s could be argued not the best for music, but if you want it to reach down low and still be able to jam to some edm id suggest bringing the tuning up somewhere around what i have here

this is what i get when i punch that box into torres. unless i got port length wrong, that bad boy is going to be tuned super low...