SI 24HS D2 quad - Page 8 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #71 of 77 Old 09-26-15, 11:38 AM
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Re: SI 24HS D2 quad

updates....pics of final placement , and anything else . These are so awesome!
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post #72 of 77 Old 11-24-15, 04:58 PM
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Re: SI 24HS D2 quad

We really need to hearing about the ending of this epic build.
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post #73 of 77 Old 05-31-16, 02:55 PM Thread Starter
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Quad SI HS24D1's to Quad SI BHS24D2's

Just a little update:

Between work and kid activities I'm finally routing wires for the new circuits and switching to four BHS24's while I'm at it. Pressurizes 2700sq, tuned for single digits, focus being extension not volume.
I hope I'm not overdoing it

The earthquake theater experience with the 24's is amazing, the glass in the windows appear to flex! They're great with music too! They sound as quick as they do deep! The amount of air they push is epic! They feel like air pumps!

I'll have more to share soon...
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Last edited by cowboyup; 06-03-16 at 09:59 PM.
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post #74 of 77 Old 06-04-16, 11:47 AM Thread Starter
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Quad SI 24HSD1's to Quad SI 24BHSD2's

Good thing I didn't have these in my single days.

While playing low note material, it doesn't matter how prestigious the lady is, first thing a female does is touch a moving cone, then it never fails. Next thing they do is sit on top or straddle a front corner!

How dare them

Last edited by cowboyup; 06-05-16 at 09:27 PM.
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post #75 of 77 Old 10-19-16, 01:14 PM Thread Starter
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Re: SI 24HS D2 quad

I've been a LONG time lurker of Home Theater Shack. I can't thank all those that continue to give advice to us rookies. This is an ongoing project and I'm starting to realize the end isn't in sight after all.

My theater space is about 15'x45 open to another 30'x45". Basically a wide open basement kinda sectioned off but not closed off.

My quest was to duplicate the sound I had in my car 22 years ago, inside of my house. Wow, that was very hard to do because my basement eats bass for breakfast lunch and dinner smh. I went through many different speaker companies and never satisfied. Long story short, it wasn't until I stumbled onto HTS and after calculated research gave SI a try. First rendition was a couple 4cf sealed HT18's and that was a satisfied second base hit (baseball). Then I tried four sealed 10cf (without stuffing which I did add) HS24's and that was a bases loaded grand slam for me! I was more than satisfied. Just 1 of them actually felt like an earthquake!

Now I'm redoing the entire basement which includes running dedicated circuits to each of the four CV-5000 amps, one for each of the four BHS24's. Here's a pic on the theater section before I started tearing down sheet rock. I weight lifted for a couple weeks and went to pic up the BHS24's personally. Always good seeing Nick, love his passion with his products and customer service, why I'm a 4x customer. More to come as I make progress.

Last edited by cowboyup; 10-19-16 at 02:01 PM.
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post #76 of 77 Old 10-19-16, 01:16 PM Thread Starter
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Re: SI 24HS D2 quad

How do they compare to the HS24 in terms of sound quality?

I sold the HS24's and in process of sanding and re-staining the enclosures before I install BHS24's.

The HS24's are very fast. I was under the impression the bigger the cone the slower the driver. That's NOT the case with the HS24. I was told by a pretty knowledgeable subwoofer seller (post on HTS) that control is relative to the motor strength and why the HS24 sound so controlled and compliant. I'm guessing the BHS24's will be even better.

I was more than satisfied with the HS24's. I only upgraded to the BHS24's for the strongest motor that was best matched for my application. I go for the 5hz signals (amp response limited) which are bigger waves than 15,20hz etc. I wanted the most headroom as far as travel and most ulf tolerate, if that makes sense. I went with four to spread the load and soundstage AND having the space to fill.

I would trip the breaker with 2 of the amps at moderate levels but when temporarily riged a circuit I quickly realized I only needed one HS24. Since I already had the 3/4" 13ply double layered and quadruple baffle birch enclosures built, I figured I may as well fill them with the most capable. Maybe I'm a little ocd when it comes to my toys, I definitely over did it. However, I'm so looking forward to firing up each BHS24 and amp on its own circuit.

Between kids softball, cheerleading, baseball and football; other house stuff, working and traveling; theater rebuild will take a few months to complete. I will give intiial subwoofer sound impressions within a couple weeks. I'm really looking forward to hearing how they sound!

Last edited by cowboyup; 10-19-16 at 02:02 PM.
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post #77 of 77 Old 10-19-16, 01:19 PM Thread Starter
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Re: SI 24HS D2 quad

Anyone build tripole surrounds?

Last edited by cowboyup; 10-19-16 at 02:00 PM.
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