Deciding between two subs for SPL - Car Audio | DiyMobileAudio.com | Car Stereo Forum

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Old 06-28-2019   #1
 
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Default Deciding between subs for SPL

Hi, I am trying to pick a 15in sub for SPL. I am limited to 1000w RMS and am stuck between these.

https://soundqubed.com/product/hds3-1-selection/
https://ficaraudio.com/product/xv3-series-x15/
https://www.amazon.com/gp/product/B0095YVCF4/

Which will give me more dB SPL? And if you know of a different sub that would suit my needs better please let me know.

Edit: Or would this give me more SPL if I just powered it at 1000w instead of the rated 1250w? https://ficaraudio.com/product/ssd-series-ssd15/

Thanks!

Last edited by Jonnyswboy; 06-28-2019 at 01:14 PM..
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Old 06-28-2019   #2
 
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Default Re: Deciding between subs for SPL

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Originally Posted by Jonnyswboy View Post
Hi, I am trying to pick a 15in sub for SPL. I am limited to 1000w RMS and am stuck between these.



https://soundqubed.com/product/hds3-1-selection/

https://ficaraudio.com/product/xv3-series-x15/

https://www.amazon.com/gp/product/B0095YVCF4/



Which will give me more dB SPL? And if you know of a different sub that would suit my needs better please let me know.



Edit: Or would this give me more SPL if I just powered it at 1000w instead of the rated 1250w? https://ficaraudio.com/product/ssd-series-ssd15/



Thanks!
The second FI you linked to has a higher sensitivity rating, but, without knowing if it was measured in series or parallel, I can't tell you if it's better. The other two had no T/S specs to look at. I assume you'll be running ported, so Xmax won't be a big factor, look at sensitivity ratings.
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Default Re: Deciding between subs for SPL

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Originally Posted by ckirocz28 View Post
The second FI you linked to has a higher sensitivity rating, but, without knowing if it was measured in series or parallel, I can't tell you if it's better. The other two had no T/S specs to look at. I assume you'll be running ported, so Xmax won't be a big factor, look at sensitivity ratings.
Thanks for the advice.

So due to the higher sensitivity of the SSD it should be louder even when slightly below rated power? And I would like to get an even more sensitive sub (90+dB) but have not had much luck finding quality choices.
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Default Re: Deciding between subs for SPL

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Originally Posted by Jonnyswboy View Post
Thanks for the advice.

So due to the higher sensitivity of the SSD it should be louder even when slightly below rated power? And I would like to get an even more sensitive sub (90+dB) but have not had much luck finding quality choices.
When comparing the 2 Fi subs, I asked almost that exact question to Fi about 2 weeks ago. They said the output would be very similar at the same watts but the SSD would be a little smoother than the EV3.
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Default Re: Deciding between subs for SPL

Quote:
Originally Posted by Jonnyswboy View Post
Thanks for the advice.



So due to the higher sensitivity of the SSD it should be louder even when slightly below rated power? And I would like to get an even more sensitive sub (90+dB) but have not had much luck finding quality choices.
Yeah, when given the same 1000 watts, a sub with higher sensitivity will be louder. You probably won't find a good quality, high spl sub with good sensitivity.
Google "spl calculator" and "spl calculator xls". Those will help you wrap your head around the relationship between sensitivity, power, and spl.
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