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Fi 18in SP4


35 replies to this topic

#1
JacobHazel

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Anyone own this sub or have heard it.. i am trying to figure out if i should buy it or not! i know i am going to need Alot more power for it and i know i am getting another batt, a H/O alt, and going to 0 gage wire.. but is it a pretty good sub? its gonna be my first 18 and it says it can be sealed do yall think it would sound good? and does any know roughly know the weight of it!

#2
Brandonrcm

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Didn't you say in your other thread that you already bought it? Also I don't think many people can review the sub because its farely new still. You should do a nice ported box to spec.

#3
Mac N Cheese

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Anyone own this sub or have heard it.. i am trying to figure out if i should buy it or not! i know i am going to need Alot more power for it and i know i am getting another batt, a H/O alt, and going to 0 gage wire.. but is it a pretty good sub? its gonna be my first 18 and it says it can be sealed do yall think it would sound good? and does any know roughly know the weight of it!


Weight it 70lbs shipped. As for reviews... there are none, And the only picture I have seen from them are on the site.
2005 VW GTI 1.8T

(4) Fi BTL N2 15s/ 4th order bandpass
(2) Crescendo BC5500s
Crescendo c1000.4
(4) Selenium 6w4p (Q logic Kicks)
Crescendo FT1 tweeters
3 runs of 4/0
Too much 1/0
DC power Engineering 320 XP ~235A at idle
3 XS D3100s

#4
stevog

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if you have the money to buy all the other stuff go for it but dont put it in a sealed box ported is better. what kind of amp are you looking to get.

#5
C-Fizzy

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Putting an sp4 in a sealed box is like paying for a hooker to clean your bathroom. Ya it'll work. But why the fuck would you put her in there.
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#6
JacobHazel

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Anyone own this sub or have heard it.. i am trying to figure out if i should buy it or not! i know i am going to need Alot more power for it and i know i am getting another batt, a H/O alt, and going to 0 gage wire.. but is it a pretty good sub? its gonna be my first 18 and it says it can be sealed do yall think it would sound good? and does any know roughly know the weight of it!


Weight it 70lbs shipped. As for reviews... there are none, And the only picture I have seen from them are on the site.

damn.. and yeahh i know its new.. when did they come out with it? and yeahh i have bought it but it hasnt completly transfered yet and i could stop it :p but yeahh i wasnt sure about the sealed for a 18.. and i was looking at the digital designs M2b.. but im not sure if that would be good for it or not! do yall have any suggestions for amps! and i wasnt going to put it in a sealed box but i saw they said you could and ussally your not suppose to with 18s i was just wondering but its going in a ported box for sure

Edited by JacobHazel, 04 January 2012 - 11:32 PM.


#7
Mac N Cheese

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Anyone own this sub or have heard it.. i am trying to figure out if i should buy it or not! i know i am going to need Alot more power for it and i know i am getting another batt, a H/O alt, and going to 0 gage wire.. but is it a pretty good sub? its gonna be my first 18 and it says it can be sealed do yall think it would sound good? and does any know roughly know the weight of it!


Weight it 70lbs shipped. As for reviews... there are none, And the only picture I have seen from them are on the site.

damn.. and yeahh i know its new.. when did they come out with it? and yeahh i have bought it but it hasnt completly transfered yet and i could stop it :p but yeahh i wasnt sure about the sealed for a 18.. and i was looking at the digital designs M2b.. but im not sure if that would be good for it or not! do yall have any suggestions for amps!


Guessing early November..
2005 VW GTI 1.8T

(4) Fi BTL N2 15s/ 4th order bandpass
(2) Crescendo BC5500s
Crescendo c1000.4
(4) Selenium 6w4p (Q logic Kicks)
Crescendo FT1 tweeters
3 runs of 4/0
Too much 1/0
DC power Engineering 320 XP ~235A at idle
3 XS D3100s

#8
stevog

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a sundown 3500 or an audioque dc

#9
JacobHazel

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a sundown 3500 or an audioque dc

Is there really much of a diffrence.. i havent dealt with bigger amps like this and the M2b is cheaper
M2B
Input Sensitivity 8V - 0.2V
Variable High Pass Filter n/a
Variable Low Pass Filter 20Hz - 200Hz @ 24dB/Oct
Variable Sub-sonic Filter 10Hz - 50Hz @ 24dB/Oct
Variable Bass Boost
Tested Voltage 12v -14v
Tested THD ≥1%
Damping Factor
Signal to Noise >100dB
Channels 1
Cont Power at 1 ohm 1650W x 1 @ 12v
Cont Power at 2 ohm
Cont Power at 4 ohm
Bridged
Dynamic Power 3500 x 1
Efficiency thru Output 80 %
Dimensions - mm 500mm L x 175mm W x 51mm H
Dimensions - inches 19-3/4 L x 6-7/8 W x 2-1/8 H....21-1/8 L w/ mounting feet
Shipping Weight 15 pounds, 6.8 kg
MSRP $679
Sundown SAZ-3500D
3500 Watts @ 1 ohm mono
1750 Watts @ 2 ohm mono
750 Watts @ 4 ohm mono
Two amplifiers Linked - 6000 Watts @ 2 Ohms
Signal to Noise Ratio >90dB
Low pass frequency crossover 35Hz~300Hz
Subsonic filter 10Hz~60Hz
Bass boost @ 45Hz 0~6dB
Phase shift control 0~180 degree
Frequency response 10Hz~350Hz (+/- 1dB)
T.H.D @ 4 ohm <0.1%
Efficiency @ 4 ohm 86%
Fuse rating 300A (external type fuse)
Input Sensitivity 200mV to 6V (+/- 5%)
Dimensions 252(W) x 53(H) x 594(L)mm
MSRP $1,125.00

Edited by JacobHazel, 04 January 2012 - 11:39 PM.


#10
Mac N Cheese

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Crescendo bc3500
2005 VW GTI 1.8T

(4) Fi BTL N2 15s/ 4th order bandpass
(2) Crescendo BC5500s
Crescendo c1000.4
(4) Selenium 6w4p (Q logic Kicks)
Crescendo FT1 tweeters
3 runs of 4/0
Too much 1/0
DC power Engineering 320 XP ~235A at idle
3 XS D3100s

#11
stevog

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the dd m2b is about 2k some watts it says 3500 max but you should look for rms the dc audio 3.5k is a little more than the m2b and is a good amp

#12
JacobHazel

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the dd m2b is about 2k some watts it says 3500 max but you should look for rms the dc audio 3.5k is a little more than the m2b and is a good amp

The Rms for the SP4 is 2500 tho.. and alright ill look in to the DC Audio 3.5k but yehh thanks man i wasnt sure i head DD has good stuff but i wasnt sure

#13
KHRISS

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#14
C-Fizzy

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The AQ is actually a 4300 watt amp. It says 3500.1 but look at the specs. 4300 rms at 1 ohm. And it's underrated. I've seen clamp tests of 47xx watts at like .8 ohms.
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u hate c-fizzy?


#15
stevog

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DD is good stuff but a little expensive also the sp4 is 2500rms but you can probably give it more power if it is clean and unclipped. if you upgrade your electrical and set your gains right you should be ok

#16
JacobHazel

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I know all my electrical Systems are gonna get upgraded and whats a rough guess at the Price of the DC 3.5k? and yeahh i know but i thought the DD M2b would be perfect cause that wouldnt go above the peak.. and it would make it to the RMS and the Digital Designs is cheaper then the sundown :p

#17
dragonsage2008

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find your self a sundown saz4500.. rated for 4500 at 1 ohm... they are stable at .5 ohms as well but void the warranty if u do.... but i can grate the thing will be able to take more then the 4500 it can put out at 1
top back

#18
JacobHazel

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Hmm Damn I'll look for a 4500 but that's line a grand difference In price

#19
Socky

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For the budget side, look into crescendo, and audioque, pretty damn good amps. My bro has the 2200d and hasnt had any problems with it, its been a year and its still like new. That sp4 will laugh at 2.5k most likely, base off the other lines of btl's.

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#20
dolarbilz

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Anyone own this sub or have heard it.. i am trying to figure out if i should buy it or not! i know i am going to need Alot more power for it and i know i am getting another batt, a H/O alt, and going to 0 gage wire.. but is it a pretty good sub? its gonna be my first 18 and it says it can be sealed do yall think it would sound good? and does any know roughly know the weight of it!


Weight it 70lbs shipped. As for reviews... there are none, And the only picture I have seen from them are on the site.

damn.. and yeahh i know its new.. when did they come out with it? and yeahh i have bought it but it hasnt completly transfered yet and i could stop it :p but yeahh i wasnt sure about the sealed for a 18.. and i was looking at the digital designs M2b.. but im not sure if that would be good for it or not! do yall have any suggestions for amps! and i wasnt going to put it in a sealed box but i saw they said you could and ussally your not suppose to with 18s i was just wondering but its going in a ported box for sure


What you mean you bought it but hasn't transfered? Once fi is purchased im sure you can't cancel it.



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