WinISD Modeling Dayton PRs? - Page 2 - AVS Forum | Home Theater Discussions And Reviews
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post #31 of 43 Old 05-20-2020, 04:36 PM
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Regarding your subs now, I believe that before you did not had to boost the low end, right? Do you have the low end boosted now? To me, it sure made a difference when I boosted the low end on my two sealed NSW's. So now I have quite a bit more low bass presence and still have that great mid bass response that a pro woofer (NSW) is know for.

With regards to the 18" PR's, can you provide me the information regarding the prices and amount of weight that the PR's can take from both AE and Mach Audio? If you don't want to do it here, please text me a private message. On the AE PR's I bought some nine years ago, I could not adjust the weight which was set at around 2,400grams. I believe the price came out to around $275/each shipped.
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post #32 of 43 Old 05-20-2020, 04:49 PM - Thread Starter
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I have a 6db or 7db low shelf boost, I think around 25hz or maybe it was higher can't recall right now. My MLP is about 14 feet from the subs, I might try moving one of the subs closer to the MLP. Part of me just curious about hearing what the PR version sounds like since everyone seemed to rave about it at the Warpdrv GTG, and part of me just wants to change them up. I might be able to fit 3 in the room, one of them being at the couch where the MLP is.

I need to run some sweeps in general using REW, bought a UMIK weeks ago and just haven't gotten around to running sweeps. Heck, I have to look up again how to connect my laptop to the AVR (I used to use a preamp with a Umm-8 or whatever mic)...lol

 

My DIY Subs ... https://www.avsforum.com/forum/showthread.php?t=1233892

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J Dunlavy:.. if you stop to think about it, no loudspeaker can sound more accurate than it measures.

 

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post #33 of 43 Old 05-20-2020, 05:00 PM
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The Earthquake SLAPS-15 and SLAPS-18 have massive excursion and can take heavy weight. They worked well with the AV15’s I have.

Jim
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post #34 of 43 Old 05-20-2020, 05:06 PM - Thread Starter
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Any pics of your subs Zora? Didn't even realize EQ sold their SLAPs separately, the Military SLAPS-18 look downright scary. lol

 

My DIY Subs ... https://www.avsforum.com/forum/showthread.php?t=1233892

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J Dunlavy:.. if you stop to think about it, no loudspeaker can sound more accurate than it measures.

 

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post #35 of 43 Old 05-20-2020, 05:52 PM
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Any pics of your subs Zora? Didn't even realize EQ sold their SLAPs separately, the Military SLAPS-18 look downright scary. lol
I don’t have the AV15 in those boxes anymore, but I will look back through my pics. I have also used John’s (AE) PR’s with the AV15’s and they worked well.
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post #36 of 43 Old 05-20-2020, 06:02 PM - Thread Starter
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What size boxes and what did you use to power them?

What are you using now btw.

 

My DIY Subs ... https://www.avsforum.com/forum/showthread.php?t=1233892

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J Dunlavy:.. if you stop to think about it, no loudspeaker can sound more accurate than it measures.

 

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post #37 of 43 Old 05-20-2020, 07:49 PM
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Hi all,

I have a little experience with big mass. (see attached). Anyway if anyone is looking for (maybe)economical dense mass consider a 1.5 to 3 inch diameter lead rod.

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1

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post #38 of 43 Old 05-20-2020, 08:59 PM
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Hell yeah Tom!

Or if you're BTH here, plutonium is pretty dense.


Chris
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post #39 of 43 Old 05-20-2020, 09:52 PM
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Quote:
Originally Posted by pbc View Post
What size boxes and what did you use to power them?

What are you using now btw.
I believe they were about 7.5 cubes with dual 18AE in one version, and the same box with dual slaps-15’s. Various pro amps with plenty of power.

I have had many DIY sealed, ported, tapped horns and am now going to try some low-tuned PSA subs.
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post #40 of 43 Old 05-21-2020, 10:50 AM
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Quote:
Originally Posted by pbc View Post
I might be able to fit 3 in the room, one of them being at the couch where the MLP is.

A nearfield sub can be much less capable than the others, or said another way if the same as the others is likely to be wasteful.

Often times there are many unused cu ft under the seat cushions; if you built a sub into it would be stealthy and give you free butt kickin'.

Maybe go sealed as you might get one note tactile at the tuning freq, or the inverse of that with ported, which might be feasible with the available volume and likely suitability of a smaller driver(s).
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post #41 of 43 Old 05-21-2020, 11:14 AM - Thread Starter
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Originally Posted by noah katz View Post
A nearfield sub can be much less capable than the others, or said another way if the same as the others is likely to be wasteful.

Often times there are many unused cu ft under the seat cushions; if you built a sub into it would be stealthy and give you free butt kickin'.

Maybe go sealed as you might get one note tactile at the tuning freq, or the inverse of that with ported, which might be feasible with the available volume and likely suitability of a smaller driver(s).
What I'm thinking, is possibly converting one of my two dual opposed sealed cabinets into two of the PR subs. Then running the sealed sub near the MLP and the two ported subs further out, or some other combination.

Either way, I need to get off my ass and measure the response in room since I haven't in the 5 years I have moved in, outside of whatever ARC provides which is not overly useful.

However, that isn't easy these days with everyone locked in the house!

 

My DIY Subs ... https://www.avsforum.com/forum/showthread.php?t=1233892

Quote:

J Dunlavy:.. if you stop to think about it, no loudspeaker can sound more accurate than it measures.

 

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post #42 of 43 Old 05-23-2020, 02:31 PM - Thread Starter
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Quote:
Originally Posted by noah katz View Post
A nearfield sub can be much less capable than the others, or said another way if the same as the others is likely to be wasteful.

Often times there are many unused cu ft under the seat cushions; if you built a sub into it would be stealthy and give you free butt kickin'.

Maybe go sealed as you might get one note tactile at the tuning freq, or the inverse of that with ported, which might be feasible with the available volume and likely suitability of a smaller driver(s).
Wasteful (if the same sub) in the sense that a near field sub doesn't need to be anywhere near as potent sort of thing?

 

My DIY Subs ... https://www.avsforum.com/forum/showthread.php?t=1233892

Quote:

J Dunlavy:.. if you stop to think about it, no loudspeaker can sound more accurate than it measures.

 

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post #43 of 43 Old 05-23-2020, 06:21 PM
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Quote:
Originally Posted by pbc View Post
Wasteful (if the same sub) in the sense that a near field sub doesn't need to be anywhere near as potent sort of thing?

Yep

Noah
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