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Old 17th August 2012, 03:25 PM   #1
SimontY is offline SimontY  United Kingdom
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Default Cheap and bass-capable wedding system

I'm best man for my mate's wedding and he's asked if I can put together a sound system for the wedding disco. I'd like to jump at this opportunity to have a bash at a "sound system" that can bang out a few cheesy pop songs and club classics. This will be making noise in a typical large hall.

I am on a very restricted budget and intend to borrow things and only buy items I can re-use.

So far this is what I have in mind:

* sources: laptop (plenty available), dual cds with pitch control (cheapo Numark from Ebay I) and we have a DJ type mixer or two

* bass amp: I will borrow my 800W Carlsbro Powerline which normally feeds the woofers on my open baffles. This will do the bass

* mid/top amp: I bought a heavy old Sony integrated from a jumble sale and my mate has a fairly basic 60W Sherwood we can use too. Not ideal but used within their limits I think will work fine.

* Speakers (mid/top): I have a pair of some RCF monitors with an 8" carbon fibre woofer and 1" horn-loaded compression tweeter. The tweeters don't work so I'll need to sort those out. My mate has another set of these so I think we'll stack them 2 per side - one amp per pair.

* Bass speakers: undecided and the main source of my questioning. My friend's Dad has a home-made (1960s) set of enclosures made from heavy block-board which are ENORMOUS (must be over 200L) and of an interesting bass alignment. These house a set of Goodmans Axiom or some such 12" full-ranger, plus "super tweeter". As a side-note these have some of the best bass I've heard!!!! Goes without saying a 30W low-xmax 12" isn't suitable for a wedding though... If the baffles are removable I will make some new ones to insert temporarily and load them with something chosen for high volume displacement. I thought something cheap and nasty like this:
NEW Pyle Blue 4 Ohm DVC 18" Inch 1800w In Car Subwoofer Sub Bass Driver Woofer | eBay

A pair of these could fill a hall couldn't they? I would knock up a basic active crossover with op-amps and two pairs of the RCFs would sit atop the 18"-loaded 1960s cabinets.

How well would this work? Could I do anything better on an extremely tight budget?

Thanks for reading,
Simon
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Old 17th August 2012, 03:53 PM   #2
SimontY is offline SimontY  United Kingdom
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Or 4 of these guys (2 wired in series a side). NEW Legacy 4 Ohm DVC 15" 1400w SPL SQ Car Subwoofer Sub Woofer Red Bass Driver | eBay

I don't think series wiring is ideal but this would probably offer an enormous Vd for £200. That really is the upper end of my budget! I would then want to use them in an infinite baffle subwoofer (attic / loft as cabinet). Shame there are no T/S specs given!
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Old 17th August 2012, 05:01 PM   #3
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IOf you will play music, don't forget a good turntable, most DJ's do scratching from it. I like Picotto, Buuren, TiŽsto, van Dyk, Westbam, etc...
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Old 17th August 2012, 09:30 PM   #4
SimontY is offline SimontY  United Kingdom
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Thanks. Someone is in fact bringing decks and vinyl, too.
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Old 17th August 2012, 10:51 PM   #5
Enzo is offline Enzo  United States
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COnsider renting a system. It may be fun to cobble together a system from various things you have around, but if you go to a place that does sound system rentals, you can walk out with a complete system ready to plug in and use. All the parts will be compatible, if you want DJ gear specifically most will have that. Live sound systems are different from DJ systems on the mixer end.

Unless your turntable has a DJ cartridge in it, you will destroy your stylus scratching. Same with your records, if you want to scratch them, use records dedicated to that. Your favorite tunes on vinyl should never be scratched, if you want to listen to them in the future. Modern DJ CD players even include a scratching feature, a shuttle wheel on the panel that lets you scratch with a CD.

What kind of DJ do you want to be? I think of two kinds. What I usually associate with weddings is a music player - like a live radio station. A guy plays songs for the crowd, and does announcing and hosting. The other DJ is what I think of as a disco DJ. He creates house music using samples, beat machines, other stuff to set up a continuous beat setting for dancing. This includes scratching and hiphop applications
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Old 17th August 2012, 11:19 PM   #6
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Be careful with used dual cd decks.
I bought one off ebay that barely managed one gig !
It then started skipping cd's and sometimes wouldnt even detect one was loaded.
You can pick up a new one for around £150 from Maplin.
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Old 18th August 2012, 09:12 AM   #7
SimontY is offline SimontY  United Kingdom
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Hi,

I'm not going to rent one. I'm not DJing. There will be no scratching. There will be tunes queued on a laptop for the most part with someone simply generally checking on it and dealing with requests. Later on in the evening a friend with good DJ skills will be playing his records on his decks with his mixer.

My contribution to this is to make this all sound half-decent with plenty of bass. It's just got to have a fun-factor. We're tired of renta-DJs playing the cack THEY want to play on speakers that are too small to sound good.

I've seen the Numark at Maplin but I have my eye on one on Ebay for far less that's apparently "like new", only used for one or two gigs by a singer... but this won't necessarily even be used to be honest. The proper DJ will use vinyl and his own gear. It's really just the amplification and speaker end I'm working on.

Thanks for your replies guys.
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Old 18th August 2012, 09:38 AM   #8
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You have a hifi set-up that'd be somewhere near capable of what you're after.

The limiting factor would probably be the LF, as I think the Pro mid and tweeter will be fine.
Adding one of those 18"ers per side (sealed for a bumped response, or OB) would probably sort that out, with minimal fuss.

Chris
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Old 18th August 2012, 02:03 PM   #9
SimontY is offline SimontY  United Kingdom
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Excellent. Well I've now been to look at my mate's Dad's old speakers. They are beasts. The internal measurements are 14" x 40" x 23" or 35.5 x 102 x 58. That makes them a little over 200 litres not counting the volume taken by the driver and the "port". They are a sort of t-line / horn loading. They're made from, I think, 1" blockboard.

The front is glued in place but the rear baffle is screwed in place and is removable.

I'll get one home in a few weeks and I'll almost certainly try one of my car sub drivers in there and just see how well that alignment works. If it's awesome I'll just settle for that as I've got 2 of those JBL woofers and it may just do the job.
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Old 18th August 2012, 04:58 PM   #10
Enzo is offline Enzo  United States
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Simonty, I was only suggesting the rental of equipment, NOT the services of a DJ.

I am sure you will do fine.
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