18" SUB SOUNDS AMAZING IN THIS TRUNK!

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For a single sub in a trunk this sounds good! 18 Inch Trunk System bass Demo and walkaround. 🔊Checkout Alphard: alphardaudio.us
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📝Equipment/Notes:
Austin's System
Show: Sundown 2021
Songs: Lean On Me-B.o.B
Sundown SA 18 www.down4sound...
JP23 Amp www.down4sound...
Single 18 inch trunk sub
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Stock Alternator
Ported Enclosure 18 inch sub
Tuned to 34Hz
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Опубликовано:

21 окт 2024

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Комментарии : 59

@smokeyou812 Год назад

I would deaden the all holy hell out of the lid and some in the entire trunk area...huge difference

@csj9619 Год назад

I've got one 18" Sundown Audio U-series in a 4 cubic ft. ported box (driver facing up, port toward back in a hatchback). Powered by a MMATS Hifi 4250, 4ohms to each bridged channel (4-channel amp) for 1,600 watts RMS and it DROPS QUAD! Kenwood DSP head unit, SKAR RP75.4 powering Dayton Audio 7" Reference series midbass (paper cone version) and Dayton Audio Reference aluminum dome tweeters. KnuKoncepts cables, wire and interconnects (2awg primary into fused distro, then short run of 4awg to amps, 48sq. ft. of 80mil Killmat throughout car, including roof. Awesome budget system, focused on SQ, but gets plenty loud too. All in a $500 Hyundai beater!

@murrayshekelberg9754 Год назад

Always like the single sub builds. That 18 can get real nasty

@roddypiper2810 Год назад

Much respect on ur build..keep it up...step it up check by check....keep building

@TMikeG Год назад

That's what it's all about bro!

@catswildlife4969 Год назад

I have a U18 in my 05 Impala SS in a sub up/port back configuration on a Sia3500. It gets loud and low. I have a 6" aero port and have it right near the rear of the vehicle. The box is 4cuft tuned to 32hz.

@Ty90Pole 27 дней назад

Mean brother fukn love it

@Von694 Год назад

I thought rear-firing port and subs is the loudest for trunks?

@johndoe..THE_REAL_JOHN-DOE Год назад

Type of speakers matter and power

@scottbe1 Год назад

Really depends. I’ve seen a lot being louder firing into the drivers side like this guys got or walling off and firing into cabin

@jimjones3287 Год назад

I think it would be hard to fit a rear-firing 18" sub box in a trunk like that.

@scottbe1 Год назад

@@jimjones3287 likely only way if the height is there would be building the box into the trunk. I personally won’t do this bc I tend to swap and move stuff around a lot system wise 😂

@jimjones3287 Год назад

@@scottbe1 I think the 18" is just for bragging rights. I wouldn't do this either. Can probably hit better with two 12's in that trunk.

@quevicular Год назад

make an infinite baffle with 2 18s. Use the entire trunk for your speaker box and get 8000 wats to those subs

@bigamp2527 Месяц назад

I'm thinking bout doing this

@quevicular Месяц назад

@@bigamp2527 don't think, do

@bigamp2527 Месяц назад

@@quevicular only got one for now tho but ima do it on 4500 watts

@quevicular Месяц назад

@@bigamp2527 I'd like to see this done with 2 21s if at all possible to fit in under the rear deck area.

@envybass4566 Год назад

I like 18 inch subs. I ran a platinum 18 on 4k and it bumped...

@evilinside5984 Год назад

What impedance was the subwoofer wired to, @ the amp? Did you ever have this clamped= ✔️ for actual power, after impedance rise, and voltage drop?

@drifter905 Год назад

I always wondered why the port was not facing into the cabin.

@scottbe1 Год назад

Not always most optimal I was louder sub and port back than both firing into the front. See a lot of builds firing into the drivers side sub forward and it being loudest. All depends on car

@knikkaknikk86 Год назад

Forward facing, side driver pocket. Most of time. Or both speakers and port backwards. Speakers backwards port through rear deck. In between the 6x9s

@lincoln200287 Год назад

Gotta make it work for it or it won't breath as well i.e. less boom boom

@evilinside5984 Год назад

Since this Jp23 is wired @ 1 ohm, after rise if its dropping to 12volts= approx. 1k, if dropping to 13volts= approx. 1.2k, and if they can maintain 14volts= approx. 1.4k watts. Being a stock alt, im assuming dropping to 12volts, so 1k= this subwoofers rating, so its a good match, for longevity, if clipping is kept in ✔️?

@abelscaliber7969 Год назад

Bro what? Rise aka impedance/box rise is the increase in ohm / impedance and has nothing to do with voltage. If a sub is wired to 1 ohm in a ported box that’s only the resistance.(DC) impedance changes (AC) that sub might only be close to 1 ohm at tuning and around . Which it at best is at 1.4ohm at tuning. All other frequencies are much higher.

@abelscaliber7969 Год назад

What you are talking about is Voltage. If the amp is rated at 14.4v it will put out the same power at 12v .. just clipped. The amp is underrated so it probably does 1400rms at 12.2v

@evilinside5984 Год назад

@@abelscaliber7969You misunderstood what im saying. I was saying that wired to 1 ohm, while playing music, the impedance would prob. @ (best) only go to 2 ohms, and @ worst prob. to 5 ohms? The Jp amp does about 1,400 watts @ 2 ohms, and @ 14 volts, on an amp dyno. The system in this video, has a stock alt., so i was giving examples of poss. wattage, as the voltage drops. And your wrong like soo many others, that an amp clips, just because the voltage is lower, they do not! An amp clips, because of being overdriven, and this can happen @ any impedance, or any voltage! Say an amp pulls 100 amps, @ 1 ohm, @ 12 volts, on an amp dyno, In certified mode= not to clipping, and is 70% eff. @ the 1 ohm load. Math= 100 (A) X 12 (V) X .7 (amp. Eff.)= 840 watts. If this same amp, and test were done, but the voltage was 16 volts, it would produce 1120 watts clean. An amplifier can clip @ 18 volts, 16 volts, 14 volts, 12 volts, 10 volts= @ any voltage!

@MatthewGuynn-ki8rn Год назад

Both of you are somewhat rt .. box rise , voltage, and damping all play a roll . I happen to own the jp 23 v2 and My box builder did a skar 15 for a guy .. it did a 146.9 @ 1392w . Wired to 1 ohm on music.. so yeah your estimates not too far off real world numbers

@evilinside5984 Год назад

@@MatthewGuynn-ki8rnWell what the other person said about an amp making the same power @ 14volts, as it would @ 12volts, is wrong. And what he said about the amp would only clip if voltage is lower, is wrong.

@RyanBassForLife Год назад

Nice

@rubenavila8012 7 месяцев назад

No fuse between battery n amp 😅

@frednestler8999 Год назад

What song?

@JacobViral Год назад

Songs: Lean On Me-B.o.B , FYI I include in description usually. Thanks for watching!

@johnhamilton675 Год назад

He could of done a better song tho like thump shit by 42 Dugg

@PeterFeltersnatch852 Год назад

NOBODY CARES ABOUT 42 DUGG

@MRTLEW01 Год назад

@@PeterFeltersnatch852 shut up hillbilly Jim!!🤣🤣 what you wanted him to play the jugg?????

@johnhamilton675 Год назад

Okay and everyone has a rapper they like and don’t like and a song they like and don’t like I don’t like 42 Dugg but his song came into my radio and it sounded good in the car with my 15.