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- Yesterday
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I think the best option is running the MMATs on the rear channels of the HU. Set fade to 0 and volume a couple clicks below max before setting gain. That way you can increase subwoofer level by fading rear, and increase the system output lost to fading rear by increase system volume. The other alternative is adding a remote gain to the amp. This is the one I use because my DSP is in the rear and running 30 ft of RCA back to front to back for a passive knob added noise. https://www.jlaudio.com/products/cl-rlc-car-audio-system-expansion-98117
- Last week
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Thanks Lithium for the advice. I thought about swapping the outputs and using the HPF from the HU and the LPF on the amp but then I wouldn't be using the sub output. Would it really matter if I didn't connect the sub to the sub output and just connected it to the rear? Right now I have it connected to the sub output with my amp's gain set (with 40 Hz 0 dB test tone) with the sub level at +15 (0 ~ +15, pg 13). If I connected it to the rear outputs, I wouldn't be able to increase /decrease the sub level if it was too loud or not loud enough. I guess I could use the fader to try and control it. I still have some time before the MDF gets here (takes about 2 weeks). If the difference in power between the 2 amps is going to be negligible, I might just swap amps (probably the easiest fix). The temps are freezing and I hate working on the car in the cold weather without a garage.
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If you dont like that idea than consider swapping amps and using the other. 550 vs 800 watts is about 1.5dB. I dont think you would hear a difference. typically you set the hpf about 1/2 octave below the port tuning. So 15/2 = 8, HPF around 22hz. here is the HU manual. screen shot is from page 15 http://vault.alpine-usa.com/products/documents/OM_CDA-9887.PDF
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Your headunit has a HPF that is variable from 20-200 hz, however you will have to swap the output to the front or rear pre amp ouputs on the HU. https://imgur.com/0EKbDr6
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Well, almost 4 years later and I'm finally going to build the ported box for the ICON! I'm using the pre-designed enclosure plans from the SSA site (2.5ft^3 @ 30 Hz) and am waiting for the MDF to be delivered. It's going to be in the same vehicle (JDM 2000 Subaru Legacy GT Wagon Twin Turbo, stock alternator (100A), Bosch Hightec Premium AGM batt, big 3 (1/0), Alpine CDA-9887, and Kicker Impulse i525 coaxials). My question is: my current amp is a MMATS HiFi 4250 and it doesn't have a SSF. The ICON will be wired to 4 ohms and will see ~800W. I've read numerous threads and articles on SSFs and there hasn't been a definitive "yes" or "no" if it's needed or not. Some say for smaller subs (8") it is and others say for lower tuned enclosures (20-30Hz) it's not. Will powering the ICON (rated for 950W RMS), tuned at 30Hz, without a SSF be an issue with the given power? I listen to all genres of music but mainly old school rap, dubstep, and rock. My other option would be to power it with my SSA IC150.4 on Ch3/4 bridged (~550W @4 ohms) since that has a SSF. Previously, I had that amp powering it in the 1.1ft^3 sealed box but didn't sound like it was giving it enough power. Will ~550W be enough power in a ported enclosure? I appreciate all the assistance. Thanks!
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New DSP alert, Dayton will be gone once I receive two pairs of RCAs from NVX. The Dayton was nice and I learned a lot just couldn't get rid of the white noise no matter what. I have changed all my grounds, reran RCAs etc. Spent days of wiring and unwiring with no end it sight, after my third one from Dayton. First one had other issues besides the white noise as well.
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Decided to clean my trunk and wiring up some, bought a new amp board since ill be removing my amp from being mounted to the enclosure. I like the shorter board, makes it almost look like its floating.
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Jims Machine Worx does some bad ass machine work, this 4 Input and Output 1/0 Fuse Distribution Block is dope. I will attach this to my battery box in my trunk for a cleaner wiring job.
- Earlier
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My factory USB outlet was always an issue when I first received the car and looking into Hyundai Forums, I wasnt the only one with this issue so I had to fix it. When I first installed my radio I did temp install with usb extension cord that came with my Pioneer radio. In the first picture in between my leg and gear shifter, there is the USB cord just laying there loosely. This time I did a permanent install, removed the factory connection and ran a 3.0 USB cable through the factory opening.
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I had some down time and 60 degree weather to get some stuff done to the ride. I replaced a panel that I broke out of frustration while looking for a screw when installing my radio last year. Dont mind the floor mats didnt clean them out before pictures were taken.
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Thanks brotha. They are legit. I used to sell them back in the early 2000s. They have come along way and haven't sold out aka sound stream/quart/ppi which all used to be big players in the game. That sound stream human reign is still one of the coolest looking amps I've ever seen.
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Nice upgrades man. I always wanted to try Crossfire's products. Those new C7s are dope
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Went with a 15" C7. Wasnt much bigger than the XFL size wise but it is quite a bit heavier. Very impressed.
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C7-2k and c5 800.4. They were quite a bit bigger than the diamonds so I had to hide the fuse block.
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New amp rack
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View of the battery installed
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Sorry for the long wait between posts. Hope everyone is doing well with the crazy we are going through. I got the box finished and I decided to go Crossfire amps and sub.
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Only if people show up asking questions.
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Do you have it on the fuel line?
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This year we drove less than ever. Wife's econobox needs some body work to pass inspection and with the pregnancy + pandemic combo I won't even bother with it until spring. Maybe even summer
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This is amazing. Somehow I miss everyone's posts until days later. Lullaby music for bedtime.
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Fuck, I need a car that can go about 200mi/yr at this point. Crazy.
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People are stupid and can't appreciate it for what it is. I am actually dumbfounded how well they DO sell given the "needs" of most buyers nowadays. Then again, maybe the right people ARE buying them.
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I have a couple of these and seem to improve my MPG, just too early to say for sure. https://fabricg.com/products/car-oil-fuel-filter-for-4003-wix---1-2-28-5-8-24?fbclid=IwAR07rii0_Txjl_JdAko1MI7NjSDzBjCEqHTm1Tdc41-te__L1DWp7CXcVt0
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She wants a car that sits like a sport ute and I want it to tow so I can get an actual car.
