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rumbolt
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Posted: Mon Sep 29, 2008 6:28 pm |
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Joined: Sun May 30, 2004 6:38 pm Posts: 804 Location: Knoxville, Tennessee Been Liked: 56 times
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I am expanding to add a passive sub. I added a crossover 2-way 3 way(mono) and I am looking at sub box. Any suggestions. I am already prepared to add a amp seperate for the sub-out 800 -1200 watts.
_________________ No venue to big or too small. From your den to the local club or event, we have the music most requested. Great sounding system!
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lyquiddye
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Posted: Mon Sep 29, 2008 8:55 pm |
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Joined: Wed Apr 20, 2005 12:26 pm Posts: 1252 Location: Pittsburgh, PA Been Liked: 3 times
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UnHinged
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Posted: Tue Sep 30, 2008 2:46 am |
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Joined: Mon Apr 09, 2007 1:15 pm Posts: 296 Location: NE Ohio Been Liked: 0 time
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I suggest, before you buy an amp, read up or ask about how many watts you’ll need for whatever sub you choose.
800 to 1200 (RMS/Continuous) is a LOT of watts, probably more than you’ll need.
Depending on which sub you get, usually 300 to 500 is plenty.
And no sense in spending all that extra money for a more-powerful amp than you’ll need, only to endanger your new sub.
_________________ Hate is like taking poison, hoping the other guy gets sick
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UnHinged
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Posted: Tue Sep 30, 2008 2:49 am |
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Joined: Mon Apr 09, 2007 1:15 pm Posts: 296 Location: NE Ohio Been Liked: 0 time
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PS: What's your budget,
and what speakers are you using,
and what size venues to you want to cover?
_________________ Hate is like taking poison, hoping the other guy gets sick
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Lonman
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Posted: Tue Sep 30, 2008 7:47 am |
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Joined: Mon Dec 10, 2001 3:57 pm Posts: 22978 Songs: 35 Images: 3 Location: Tacoma, WA Been Liked: 2126 times
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Actually depending on your main top cabs, 800/1200 is more than likely going to be just fine. You typically want to doube the output of mains for your sub.
But like stated, what kind of budget are you looking at, do you already have the amp or do you need one? If you have, what is the model to match the actual power to the speaker?
_________________ LIKE Lonman on Facebook - Lonman Productions Karaoke & my main site via my profile!
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Alex
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Posted: Tue Sep 30, 2008 9:38 am |
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Joined: Tue Jan 22, 2008 10:40 am Posts: 1094 Songs: 1 Location: West Palm Beach, FL Been Liked: 53 times
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Lonman, just a quick question regarding your post. So if I have 800 Watt per Top Speaker, I would need a 1600 Watt Sub Woofer to go with it? Oh boy... Is there a 1600 Watt Sub?
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Lonman
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Posted: Tue Sep 30, 2008 10:32 am |
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Joined: Mon Dec 10, 2001 3:57 pm Posts: 22978 Songs: 35 Images: 3 Location: Tacoma, WA Been Liked: 2126 times
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Sevarin @ Tue Sep 30, 2008 10:38 am wrote: Lonman, just a quick question regarding your post. So if I have 800 Watt per Top Speaker, I would need a 1600 Watt Sub Woofer to go with it? Oh boy... Is there a 1600 Watt Sub?
Ideally yes.
Is there a 1600 watt sub, not a powered one, but yes there are plenty that can handle that kind of power or close to it.
JBL 18" 1600 watts program
http://pro-audio.musiciansfriend.com/pr ... sku=600443
Mackie 4 10" (SURPRISINGLY good) 1500 watt program
http://pro-audio.musiciansfriend.com/pr ... sku=600504
EAW 2 12" 1400 watt program
http://pro-audio.musiciansfriend.com/pr ... sku=600026
JBL 15" 1600 watts program
http://pro-audio.musiciansfriend.com/pr ... sku=600143
Carvin 18" 1600 watts program
https://www.carvinguitars.com/products/ ... ct=TRX118N
And this isn't even getting into other brands.
These are all 8 ohm rated (if I looked coreectly). Adding 2 8 ohm subs together would drop the ohms to 4 & the amp would then need to push double the above stated watts at 4 ohms. ie 2 8 ohm subs, program power rating of 1600 watts, hooked in parallel to a single amp (bridged), the amp would need to push 3200 watts at 4 ohms bridged.
Chances are you would need a single amp that would be bridged per sub to really get the full effect, but in most situations (clubs) I have found that 1 sub is more than enough for karaoke & still sound killer.
_________________ LIKE Lonman on Facebook - Lonman Productions Karaoke & my main site via my profile!
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rumbolt
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Posted: Tue Sep 30, 2008 7:29 pm |
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Joined: Sun May 30, 2004 6:38 pm Posts: 804 Location: Knoxville, Tennessee Been Liked: 56 times
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Whoa! I am lookin for a sub not wanting to spend what a small car cost.
I am currently running a set of Yamaha BR15s being pushed by a QSC RMX2450 running thru a Soundcraft MFX 12/2 Mixer. My plan was to run the sub thru ART 310 crossover to Pyle Pro PT 2400 amp (spare amp I have from the old days) bridged for 600w (max). Is that not enough? I have looked at Pevey and Yamaha in the $300-400 range. The venues I am currently working are 1000-1300 sq ft total. I do some outdoors work and thats where I need the bass kick.
_________________ No venue to big or too small. From your den to the local club or event, we have the music most requested. Great sounding system!
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mckyj57
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Posted: Tue Sep 30, 2008 7:51 pm |
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Joined: Tue Apr 04, 2006 9:24 pm Posts: 5576 Location: Cocoa Beach Been Liked: 122 times
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rumbolt @ Tue Sep 30, 2008 10:29 pm wrote: Whoa! I am lookin for a sub not wanting to spend what a small car cost.
I am currently running a set of Yamaha BR15s being pushed by a QSC RMX2450 running thru a Soundcraft MFX 12/2 Mixer. My plan was to run the sub thru ART 310 crossover to Pyle Pro PT 2400 amp (spare amp I have from the old days) bridged for 600w (max). Is that not enough? I have looked at Pevey and Yamaha in the $300-400 range. The venues I am currently working are 1000-1300 sq ft total. I do some outdoors work and thats where I need the bass kick.
I know a lot of people here pooh-pooh Behringer, but try reading the reviews at MF and zZounds on the B1800X. It takes 800W, and apparently gives quite a bit of kick. It is less than $300. I wouldn't invest in one right now myself -- I would probably buy something a bit better. But if you are wanting to spend no more than $400.00, you might consider it. I have their B1520 speakers and am happy with them.
_________________ [color=#ffff55]Mickey J.[/color] Alas for those who never sing, but die with all their music in them. -- Oliver Wendell Holmes, Sr.
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mckyj57
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Posted: Tue Sep 30, 2008 8:12 pm |
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Joined: Tue Apr 04, 2006 9:24 pm Posts: 5576 Location: Cocoa Beach Been Liked: 122 times
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mckyj57 @ Tue Sep 30, 2008 10:51 pm wrote: I know a lot of people here pooh-pooh Behringer, but try reading the reviews at MF and zZounds on the B1800X. It takes 800W, and apparently gives quite a bit of kick. It is less than $300. I wouldn't invest in one right now myself -- I would probably buy something a bit better. But if you are wanting to spend no more than $400.00, you might consider it. I have their B1520 speakers and am happy with them.
Looking at the specs on that Pyle amp, it simply won't drive the B1800X. It bridges at 230W into 4 ohms. (The other ratings are "peak power".)
You'd be far better off putting your BR15s in mono off one channel of the QSC, and the sub off the other channel. The BR15s would be happy with 650 watts going to their 2x300 requirement. The sub would be a bit underpowered at 500W.
_________________ [color=#ffff55]Mickey J.[/color] Alas for those who never sing, but die with all their music in them. -- Oliver Wendell Holmes, Sr.
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UnHinged
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Posted: Thu Oct 02, 2008 3:29 pm |
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Joined: Mon Apr 09, 2007 1:15 pm Posts: 296 Location: NE Ohio Been Liked: 0 time
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1000 - 3000 square feet shouldn’t require too much.
One inexpensive idea is the Peavey PV118.
They’re only 400-watt program, but do well with less.
They’re $250 each,
http://pro-audio.musiciansfriend.com/pr ... sku=601342
Just another option.
_________________ Hate is like taking poison, hoping the other guy gets sick
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supercharged
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Posted: Fri Oct 03, 2008 4:40 pm |
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Joined: Tue Oct 23, 2007 9:57 pm Posts: 514 Location: Watertown WI Been Liked: 0 time
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lyquiddye @ Mon Sep 29, 2008 10:55 pm wrote:
Your joking right? tho im not firmiliar with Dynacord Ive used turbosound and EV. EV stuff is top notch and turbosound stuff seems unresponsive (there cabs may as well be cardboard) . and also less eficiant so you need more power to make equal spl.
_________________ the voices arent real, but they have some good ideas
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alexandt35
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Posted: Sun Oct 19, 2008 5:53 pm |
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Novice Poster |
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Joined: Thu Oct 09, 2008 4:44 pm Posts: 26 Been Liked: 0 time
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IMO the sensativity of the speakers is usually what I try to match up first. Subs about 2db higher then Mains on a passive system. I can run a single Amp or Split out to 2 or even a pair of monitors with a QSC HD (2 OHM stable stereo)
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rumbolt
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Posted: Sun Oct 19, 2008 8:51 pm |
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Joined: Sun May 30, 2004 6:38 pm Posts: 804 Location: Knoxville, Tennessee Been Liked: 56 times
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Thanks for all the advice,
I added another amp Phonic Max860 (bridged @ 600 watts/8 ohms) to a Peavey PV118 and it rocks. That is the sound I was lookin for. Again, thanks for all the imput.
_________________ No venue to big or too small. From your den to the local club or event, we have the music most requested. Great sounding system!
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supercharged
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Posted: Mon Oct 20, 2008 3:59 am |
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Joined: Tue Oct 23, 2007 9:57 pm Posts: 514 Location: Watertown WI Been Liked: 0 time
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Im sure the Peavey is a good cab. Remember on subs that rigidity of the cab is important. there is a Dj in town who has a couple CW subs. I always say it stands for cardboard wagon as I can just about see the sides bulge when the bass kicks. you will never get solid tight bass out of a cab made from 1/2 inch chipboard
_________________ the voices arent real, but they have some good ideas
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Bill H.
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Posted: Mon Oct 20, 2008 11:29 am |
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Joined: Tue Feb 05, 2008 9:23 pm Posts: 1173 Location: PNW USA Been Liked: 0 time
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Bill H.
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Posted: Mon Oct 20, 2008 11:35 am |
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Joined: Tue Feb 05, 2008 9:23 pm Posts: 1173 Location: PNW USA Been Liked: 0 time
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JD
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Posted: Wed Nov 19, 2008 7:01 pm |
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Senior Poster |
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Joined: Wed Nov 19, 2008 4:56 pm Posts: 169 Been Liked: 0 time
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Goto bcspeakers.com and get one of those lightwight Nd 15s or so at 700 W RMS. It'll save your back. They have plans to build the cabinets online. Either build it yourself or have someone do it. You can cover it with indoor/outdoor carpet that's glued and stapled. Mount a solid grill on it so it doesn't buzz. There are sites with cabinet building tips on the web. Then goto qscaudio if you want and select an amp for that particular speaker.
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