Playing notes below tuning frequency?

[Bassinglsksls]

Im having a box built for my Zv5 18" that will be powered by a sundown 2k and was planning on tuning the box to 30 hz. Now having said that i listen to a lot of decaf and lowend music and was wondering if theres a "cuttoff" that i should try and avoid so i dont damage the sub by bottoming it out. About how low can i get safely? 26 Hz? 20Hz? I have a lot of songs that i really enjoy that hit the mid to low 20s

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[Boomin_tahoe 5,000+ posts]

Have we talked before?!

20hz songs the human ear cannot hear anyway. Certainly be shaking a lot of **** tho lol

 

[Bassinglsksls]

Have we talked before?!
20hz songs the human ear cannot hear anyway. Certainly be shaking a lot of **** tho lol

We have haha, yes i know im just asking if its bad for the sub to play that low if i tuned to 30hz. How can i know at what HZ my sub will bottom out?

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[Boomin_tahoe 5,000+ posts]

Nope.

Playing some test tones and control of volume on hu will determine sub bottoming out.

 

[Boomin_tahoe 5,000+ posts]

Was gonna say...my enclosure is tuned to 30Hz.

 

[Bassinglsksls]

Nope.
Playing some test tones and control of volume on hu will determine sub bottoming out.

Good to hear, theres a bunch of music that drop to the low 20s so im glad ill be able to play them without having to worry about the sub. How can i tell when my subs bottoming out? Distinct sound?

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[Jeffdachef 5,000+ posts]

Have we talked before?!
20hz songs the human ear cannot hear anyway. Certainly be shaking a lot of **** tho lol

Loud enough with a trained ear, you can notice how it sounds.

 

[Jeffdachef 5,000+ posts]

Good to hear, theres a bunch of music that drop to the low 20s so im glad ill be able to play them without having to worry about the sub. How can i tell when my subs bottoming out? Distinct sound?
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Mechanical sound, cant miss it. Most of the times you wont have enough power to bottom out unless your port is overly huge.

 

[tymoto21 10+ year member]

With only 2k on that sub you could free air it as low as you want

I wouldn't worry about it

Idk about the Zv5 but with the 4 you cannot bottom the coil

I don't remember if you can jump the coil out of the gap though up top

But you will hear plenty of distortion before you get close as a warning then you will hear when it bottoms out and said well **** me I just bottomed it out

 

[hispls 5,000+ posts]

How can i tell when my subs bottoming out? Distinct sound?
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Rest assured, you won't miss it when you do, but likely tuned to 30 with a 2K amp on a 15" Z (new frame and cone) you'd be hard pressed to break it with anything above 20hz.

With only 2k on that sub you could free air it as low as you want

Yeah, I wouldn't try that. Free air I'd bet you can reach x-mech a lot sooner than 2K if you're playing 20hz

Also not being able to whack the former into the back plate doesn't mean sub is immune from physical damage from over excursion. AFAIK the pole piece is really tall on the newer Sundown motors so I suspect jumping the gap is impossible too, but at some point the triple joint will hit the top plate and that can break the coil former or the triple joint.

 

[Hertz Mafia]

The human ear can generally hear between 20hz-20khz according to google. You can hear and feel 20hz like no other. And as other said that woofer will handle 2k free air 20hz. Jacob makes videos all the time doing it


Here's an X 1250rms old woofer on 3500watt free air. Not really sure why people said a zv5 won't handle 2k free air...

 

[CSCStang]

Im having a box built for my Zv5 18" that will be powered by a sundown 2k and was planning on tuning the box to 30 hz. Now having said that i listen to a lot of decaf and lowend music and was wondering if theres a "cuttoff" that i should try and avoid so i dont damage the sub by bottoming it out. About how low can i get safely? 26 Hz? 20Hz? I have a lot of songs that i really enjoy that hit the mid to low 20s
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Box tuning at 30 would put your subsonic at 22.5hz which will help with not playing too low....

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