Quad HS24's to BHS24's - Page 2 - AVS Forum | Home Theater Discussions And Reviews
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post #31 of 107 Old 01-27-2017, 04:17 AM - Thread Starter
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Originally Posted by gixerking View Post
As I said, make sure you are not in mobile view. Switch to desktop view to post pics. You can switch at the bottom of the page.
When I press desktop it's basically refreshing the display back to mobile. I need to finish and paint the basement anyway. I try and post something this weekend. Pictures do not show the full spectrum these BHS24's 😆

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post #32 of 107 Old 01-28-2017, 10:38 AM - Thread Starter
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Here's my first diy theater rendition with HT18's
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post #33 of 107 Old 01-28-2017, 10:41 AM - Thread Starter
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I'm in process of moving the screen 90 degrees to the right, on the wall with little window showing. It's a bigger wall so screen is also growing from 130" to 150"
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post #34 of 107 Old 01-28-2017, 10:43 AM - Thread Starter
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Here's the 4 BHS24's before mounted
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post #35 of 107 Old 01-28-2017, 03:09 PM - Thread Starter
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The square 30" 10.25cf, before stuffing, double layered sides quadruple baffle 13ply BB pre-stain enclosures
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post #36 of 107 Old 01-28-2017, 05:43 PM
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Originally Posted by cowboyupatl View Post
The square 30" 10.25cf, before stuffing, double layered sides quadruple baffle 13ply BB pre-stain enclosures
Those cabinets have to be... extremely heavy. Not even including the 150 lb drivers
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post #37 of 107 Old 01-28-2017, 07:58 PM - Thread Starter
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Originally Posted by bpgunning View Post
Those cabinets have to be... extremely heavy. Not even including the 150 lb drivers
Yes they are...! Definitely a 2 person lift. I'm guessing they were 150ish naked. Had to make it ulf tolerate. Added 4"X4" thick wood studs lined with high temp jet engine tape under the magnet to take some of the weight off of the baffle.
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post #38 of 107 Old 01-28-2017, 08:00 PM - Thread Starter
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Here are the amplifiers
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post #39 of 107 Old 01-29-2017, 03:27 PM
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Originally Posted by uniquepattern View Post
Dude, you just became my hero for today
Thanks, but the OP is my hero. Not only having 4 BHS, but having moved them all. No......that's a superhero!
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post #40 of 107 Old 01-29-2017, 06:30 PM
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Thanks, but the OP is my hero. Not only having 4 BHS, but having moved them all. No......that's a superhero!
The OP keeps getting bigger every time he swings by the shop. I think he anticipated moving the BHS's so he gained another 50 lbs of solid muscle to help move them around, haha.
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post #41 of 107 Old 01-30-2017, 06:26 PM - Thread Starter
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Thanks, but the OP is my hero. Not only having 4 BHS, but having moved them all. No......that's a superhero!
😂 Thanks...! I have a hard time convincing my daughter that my wallet is not 🙄
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post #42 of 107 Old 01-30-2017, 06:34 PM - Thread Starter
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Originally Posted by Electrodynamic View Post
The OP keeps getting bigger every time he swings by the shop. I think he anticipated moving the BHS's so he gained another 50 lbs of solid muscle to help move them around, haha.
😂
It's a 2 person lift at this point. I don't plan on moving them for a while once they're back in place. Regardless, it's not so much the weight, it's more so the awkward shape and size when moving them. HOWEVER, it's pretty easy with 2 people.

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post #43 of 107 Old 02-07-2017, 05:51 PM - Thread Starter
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Found a pic of the HS24's before sold and replaced with the BHS24's.
Don't laugh at my terrible stain job 😂
I sanded them and restaining using a sprayer.
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post #44 of 107 Old 02-17-2017, 09:29 AM - Thread Starter
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The cv-5000 amps were perfect for the HS24's but the BHS24's are only half stroke before the amps run out of gas. I need 1 cv5 per coil!

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post #45 of 107 Old 02-18-2017, 10:55 AM - Thread Starter
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I need more power! They sound awesome with the cv-5 but the urge to maximize the BHS potential is growing. Looking to upgrade the amps to either bossobass or speaker power.
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post #46 of 107 Old 02-19-2017, 12:19 PM
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Are you running the cv-5000's bridged? One of those bridged per BHS seems like it should be more than enough power.
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post #47 of 107 Old 02-19-2017, 01:42 PM
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I upgraded from an sp1-4000 to the sp1-6000 for my bhs24-d1. The extra 2kw didn't really make a difference in my 1600ft^3 room using my 10ft^3 sealed box.

In comparison, my hst18 in ported 11cu/17hz box with 3kw is more impressive in the 14-30hz range. That said, I'm now planning for 40ft^3 ported boxes for my bhs24 and upgrading my hs24mk2 to a second bhs.
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post #48 of 107 Old 02-19-2017, 07:30 PM - Thread Starter
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Quote:
Originally Posted by bpgunning View Post
Are you running the cv-5000's bridged? One of those bridged per BHS seems like it should be more than enough power.
Yes. I'm running each cv-5 bridged and each BHS coil in series for a 4ohm load. They sound awesome and get earthquake-ish when pushed.

Free air the cones move all over the place. In the sealed enclosures they are very stiff. They aren't moving more than a 1" p-p with music and movies except the occasional big excursion.
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post #49 of 107 Old 02-19-2017, 07:36 PM - Thread Starter
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Originally Posted by lz7j View Post
I upgraded from an sp1-4000 to the sp1-6000 for my bhs24-d1. The extra 2kw didn't really make a difference in my 1600ft^3 room using my 10ft^3 sealed box.

In comparison, my hst18 in ported 11cu/17hz box with 3kw is more impressive in the 14-30hz range. That said, I'm now planning for 40ft^3 ported boxes for my bhs24 and upgrading my hs24mk2 to a second bhs.
Interesting...🤔

Very nice....

Building bigger enclosures aren't an option for me. I'm hoping doubling the power will do the job in my application. These things need 4000 watts per coil in a sealed application.
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post #50 of 107 Old 02-19-2017, 07:54 PM
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Originally Posted by cowboyupatl View Post
Yes. I'm running each cv-5 bridged and each BHS coil in series for a 4ohm load. They sound awesome and get earthquake-ish when pushed.

Free air the cones move all over the place. In the sealed enclosures they are very stiff. They aren't moving more than a 1" p-p with music and movies except the occasional big excursion.
Yikes. Not many amps out there more powerful than those cv-5000... FP14k clone, SP2-8000 or 12000, Powersoft, IPR2-7500 or Pro-Lite 7.5, probably a few others I'm forgetting. Clones would be the most cost-effective but also riskiest. SpeakerPower is a pretty sure thing but pricey when getting one for each BHS
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post #51 of 107 Old 02-19-2017, 08:48 PM
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post #52 of 107 Old 02-19-2017, 08:56 PM - Thread Starter
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Originally Posted by bpgunning View Post
Yikes. Not many amps out there more powerful than those cv-5000... FP14k clone, SP2-8000 or 12000, Powersoft, IPR2-7500 or Pro-Lite 7.5, probably a few others I'm forgetting. Clones would be the most cost-effective but also riskiest. SpeakerPower is a pretty sure thing but pricey when getting one for each BHS
I'm not sure how much the travel is exactly. They may move 1.5" p-p. It definitely isn't 3" or 4" p-p. I wish my current amps were 2 ohm stable, I'd run 1 cv5 per BHS coil. I need a solid and clean 8000 watts per driver.

Thanks for the info. I'll study them for a while but reliability long term is the focus. I'm leaning towards speaker power but they are pricey. So many people say how good they are. Is the fp14k clone the same thing as bossobass 14k amp?

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post #53 of 107 Old 02-19-2017, 09:17 PM - Thread Starter
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Originally Posted by lz7j View Post
I upgraded from an sp1-4000 to the sp1-6000 for my bhs24-d1. The extra 2kw didn't really make a difference in my 1600ft^3 room using my 10ft^3 sealed box.

In comparison, my hst18 in ported 11cu/17hz box with 3kw is more impressive in the 14-30hz range. That said, I'm now planning for 40ft^3 ported boxes for my bhs24 and upgrading my hs24mk2 to a second bhs.
Interesting...🤔

Very nice....

Building bigger enclosures aren't an option for me. I'm hoping doubling the power will do the job in my application. These things need 4000 watts per coil in a sealed configuration.

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post #54 of 107 Old 02-19-2017, 09:54 PM
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Is the fp14k clone the same thing as bossobass 14k amp?
Effectively, yes. They've showed up in a few threads to say otherwise but the internals of their amps match the internals of the "enhanced" fp14k sold by a few of the clone sellers. What the bosso version buys you (for an extra few hundred bucks) is a warranty by a US seller, even if it's the same amp in the end. The Sanway FP14k is 2-ohm stable and is in use by quite a few folks on this forum, myself included starting in a few days. Where there have been issues, their customer service has been pretty good. If reliable, high power output is the only factor (i.e. not factoring in cost) then I think you can't go wrong with the SpeakerPower. They make rated power, and for longer than just a 20ms burst. And they're designed and built in the US, and to my knowledge Brian has been very good with customer support too. They're top notch amps, but they're just expensive compared to the clones, and for good reason IMO. You could try a Peavey IPR2-7500 from Sweetwater - if it doesn't give you what you want, they have a 30-day satisfaction guarantee. They've been tested and do burst their rated power, so around 3750W per coil.
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post #55 of 107 Old 02-19-2017, 10:59 PM - Thread Starter
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Originally Posted by bpgunning View Post
Effectively, yes. They've showed up in a few threads to say otherwise but the internals of their amps match the internals of the "enhanced" fp14k sold by a few of the clone sellers. What the bosso version buys you (for an extra few hundred bucks) is a warranty by a US seller, even if it's the same amp in the end. The Sanway FP14k is 2-ohm stable and is in use by quite a few folks on this forum, myself included starting in a few days. Where there have been issues, their customer service has been pretty good. If reliable, high power output is the only factor (i.e. not factoring in cost) then I think you can't go wrong with the SpeakerPower. They make rated power, and for longer than just a 20ms burst. And they're designed and built in the US, and to my knowledge Brian has been very good with customer support too. They're top notch amps, but they're just expensive compared to the clones, and for good reason IMO. You could try a Peavey IPR2-7500 from Sweetwater - if it doesn't give you what you want, they have a 30-day satisfaction guarantee. They've been tested and do burst their rated power, so around 3750W per coil.
Thank you very much for the info! I'll let you know..!
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post #56 of 107 Old 02-20-2017, 03:01 AM - Thread Starter
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Is there a way to modify the cv-5 for 2ohm bridge operation?

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post #57 of 107 Old 02-20-2017, 07:14 AM
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Is there a way to modify the cv-5 for 2ohm bridge operation?
Almost certainly no. That would mean each channel would effectively be seeing a 1-ohm load and there are almost no amps that are 1-ohm capable.
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post #58 of 107 Old 02-20-2017, 07:58 AM
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Almost certainly no. That would mean each channel would effectively be seeing a 1-ohm load and there are almost no amps that are 1-ohm capable.
The 4000w and 6000w SP amps operate fine at 1ohm.
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post #59 of 107 Old 02-20-2017, 08:03 AM
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The 4000w and 6000w SP amps operate fine at 1ohm.
Ah I thought I remembered reading about the SP amps being 1-ohm stable, but I wasn't sure which ones so I didn't bring it up.
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post #60 of 107 Old 02-20-2017, 08:25 AM
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Originally Posted by cowboyupatl View Post
Interesting...🤔

Very nice....

Building bigger enclosures aren't an option for me. I'm hoping doubling the power will do the job in my application. These things need 4000 watts per coil in a sealed application.
If you can't accommodate the huge ported boxes, look into increasing your sealed box to 15-16ft^3. I went through the same mindset as you in my 10ft^3 box. I've gone full tilt with the sp1-4000 amp and the cone wasn't really moving compared to free air. I stepped up to the bigger amp and the results are the same; except I'm now reluctant in pushing it (the 6000w will most like give the BHS an issue if pushed too long).

Doubling the power is only 3db. Seeing you'd be way over the max rating, it's not worth the risk, imo.
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