slowfkncar
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Posts posted by slowfkncar
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1 hour ago, akuma4u said:
Its the actual spl surround cone which dropped around 1.5 to 2 yrs ago it is 100% def not the megaroll.
I wish that spl cone was the only thing i upgraded and kept everything else stock when i did my recone.
I will add pics of box and sub soon.
Honestly, this is prob gonna be the last frankenwoofer i will build unless its small upgrades that wont change ts params too much or i am told before hand exactly what or how it will change the stock ts params so there is no guess work or surprises/problems with performance afterwards
That sucks bro, remember what we talked about? I hoped you would have had a better experience.
I'd just rebuild it back to stock with an nsv2 coil and shrink the enclosure until you hit 1.7 net.
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4 hours ago, Shaunwilson said:
Also note, in the second video where he claims to have set this up, watch the background closely where it goes from 1 video to another, not a single thing changes, only his T-shirt. Allen keys on the bench stay in the exact same position considering he is supposed to be fixing that subwoofer in the back.
Im supertoots on YouTube.
The way i seen it, the time on his smartphone doesn't mean shit, defensive body language & how is he going to talk about kindly reaching out to a company when he just recently put rockville on blast? It's easy to accidentally be a hypocrite when trying to cover your ass.
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Second video screams bullshit & is hypocritical, will never support them again.
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You can attempt a firmware re-flash, if it still dont come back then the internal bluetooth chip probably crapped out.
https://www2.jvckenwood.com/cs/ce/mm/firmware/2013/2013b/eng.html
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Check your wiring again, inspect your wire for corrosion ect,check every ring and make sure the crimps are locked tight, battery terminals clean & tight & make sure you used a clean thick spot for every ground, sand it down & use zinc washers, bolt it up with grade 8 hardware.
If you are 100%positive everything is in perfect order than switch your ground locations, better yet where is everything grounded?
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fwiw, on music it's rare to blow two or more at one time,unless you run 5x rated or something so blowing one out of 4 does not mean the signal was clean.
If it truly happened on low power its pretty much the amp sending a bad signal or the sub was defective to begin with, assuming you've got electrical and the proper enclosure.
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Lol that asphalt based crap... I save it for the floor
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6 minutes ago, Joe f said:
Thanks man, I'm going to go do some adjustments and I will let y'all know. The sa8s sounded really good so I didn't think about making any changes for the 15.
If your ssf was all the way up with the sa-8's then that zv3 will KILL the lows compared to the 8's.
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4 minutes ago, Joe f said:
Since the box is tuned to 32.5 should I set around there to start with?
Sure. Some amps dont necessarily have an accurate SSF value printed near the dial so just make sure you've got it correct by testing.
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2 minutes ago, Joe f said:
The ssf is set at 50hz which is all the way up for some reason, where should I try and set it and the bass eq and the x over at?
Lol yeah thats not helping. Drop the ssf only enough that the woofer dont play too hard under tuning.
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that doesn't look bad at all, more port are would be nice but if you aren't getting port noise then eh whatever. Try playing a few songs that are tuned low and keep a good ear on it. If it starts to play lows better as it heats up then you just gotta let the soft parts loosen up. Same thing happens to me when i freshly recone zv3s, i peak above port tuning untill it loosens up lol
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6 minutes ago, Joe f said:
1/2 ohm. But ever with the power I have it dosnt get very low. I had.4- sa8s in the same type of box where my console was and it hit lows alot better that this 15 does.
Well those 4 8's are very simular in cone area vs a single 15. Also, not sure if your woofer is new but if it is then it will take some time for the soft parts to loosen up. Zv3's & nightshades are fucken stiff from the get go. Takes me about a few weeks to break in my fresh sundown recones and thats off 4500 each lol.
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Are you running at 1/2 or 2ohms? Possibly not enough power for that enclosure.
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From the xs pdf
It is very important that proper charging techniques be used when charging AGM batteries. AGM
batteries are designed for use with AGM battery chargers with a MAXIMUM output voltage of 2.4 volts per
cell(14.4v for 12v batteries and 19.2v for 16v batteries). AT NO TIME during charging should the battery be
subjected to more than 2.4 volts per cell. Voltage above this will cause the battery to “gas” and once
oxygen is vented it cannot be restored.Maximum charge voltage
32f = 15.3v / 50f = 15v / 68f =14.8v / 77f = 14.7v / 86f = 14.5v / 104f = 14.3v
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Well, since you dont have shit for electrical I'd say two ohms might work out for you. Just have the box built a tad on the larger side.
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Well your bc3500 has the potential to give the subs (Minimum RATED),after impedance rise,electrical efficiency & enclosure efficiency you probably have never given them minimum rated power. A bc5500 will surely be more suitable especially since you won't need to clip the signal to actually get them suckers moving,however if you do clip the signal at those power levels you will have to be very careful.
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First of all I wouldn't put a zv.3/zv.4 15 in a 4.5 cube box. The 18? Yes but not the 15.
If you are planning on sticking with a 1.6k amp then you could do 3.2 cubes at 35hz for the 15 or 4.7 cubes @ 33 for the 18. I currently have the zv3 15 in a 3.5 cube @ 31hz box off a saz-2500 and I can bottom it out,I upgraded to a aq 3500.1 and it just turns the subs output into heat. Stick with sundowns recommended enclosure size and you will be happy. personally I would try the 18 because of the lack of output from the amp,efficiency should help a little with an 18
Edit* btw whatever box you go with dont forget your gonna need another cube or two for your port area if your doing a slot ported enclosure
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Sundown is true to there ratings however, you have to know what you are doing. I had a nightshade v1 15 in 5.8 gross 3.5 net tuned to 31hz, with just a saz 2500,248ah battery & 220amp alt, I was able to bottom out the sub at ANY frequency below 36hz while full tilt *edit (even at 31hz,I can hard bottom because of to big of an enclosure for that amount of power)
. It sounds very crazy and because of the box size and tuning,power handling and output went out the window. Although at 29hz I can do a small hair trick before it hard bottoms.
The rms ratings seem to be conservative while the driver is installed in the proper enclosure. Being an installer for 9 years,I can say it is extremely conservative when compared to (rockford t2/jl audio w7) WHICH means nothing if your gonna play subs near free air.
Trying to identify Sundown sub to order correct recone kit
in Sundown Audio - GREAT Amps/Subs! GREAT Customer Service!
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Weigh it, under 50lbs = X, over = zv4.
Fwiw, it looks like an X series.