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  #1  
Old 01-04-2006, 04:21 PM
benjaminb benjaminb is offline
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question about RLA style crossovers

i'm pretty sure this has been asked before, but i couldn't find an answer doing a search (too many references to crossovers here to find what i needed).

how is it possible to get a flat frequency response using an RLA crossover?
if you're adding the subs and the tweeters to a full range signal, would you not end up with a dip in the mid range when they're all turned up?

is that the secret to that NYC sound? that there's always some extra glitter and rumble?
or did people tend to EQ their 'full range' to be more of a mid-range to compensate?
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  #2  
Old 01-04-2006, 04:44 PM
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louped garou louped garou is offline
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who wants flat response -- we're not talking studio work here....

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Last edited by louped garou : 01-04-2006 at 04:49 PM.
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  #3  
Old 01-04-2006, 05:26 PM
sookysooky sookysooky is offline
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... yeah, we like the clubs that go boom.
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  #4  
Old 01-04-2006, 05:28 PM
benjaminb benjaminb is offline
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Quote:
Originally posted by louped garou
who wants flat response -- we're not talking studio work here....


hey, i've got nothing against a bit of boost in the highs and lows - you can listen for longer before it hurts, and vocals won't shred your eardrums as much.

however, wouldn't it make it hard to properly callibrate your system?
and isn't our goal 'transparent' sound, ie. as natural as possible?

as well, how would you hook up the DJ monitor so that he can hear his tweaking?
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  #5  
Old 01-04-2006, 05:29 PM
benjaminb benjaminb is offline
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Quote:
Originally posted by sookysooky
... yeah, we like the clubs that go boom.


don't forget the sizzle!

(hi tristan)
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  #6  
Old 01-04-2006, 05:35 PM
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louped garou louped garou is offline
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Quote:
Originally posted by benjaminb
wouldn't it make it hard to properly callibrate your system?
and isn't our goal 'transparent' sound, ie. as natural as possible?
calibrate it to sound how you want it, pre-tweak; and I would debate about transparent/natural and desirable being the same.... sometimes super clean signal isn't what is wanted

if that was the case, everyone would be ALL digital, right?



Quote:
Originally posted by benjaminb

as well, how would you hook up the DJ monitor so that he can hear his tweaking?


would have to get another RLA to run the booth.... mostly though I think that the DJ just has to know what a little xover knob twisting will do to the particular dancefloor being worked... all about knowing your environment
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  #7  
Old 01-04-2006, 05:40 PM
jnkarrik jnkarrik is offline
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Quote:
Originally posted by benjaminb
as well, how would you hook up the DJ monitor so that he can hear his tweaking?


Good question, and the answer is you can't really. You could split the crossover outputs, but unless you have a 4 or 5 way system in the booth that is comparable to whats on the floor, its not going to be the same. I've yet to see a booth with a hanging tweeter array.

I think this is where experience in a particular room is vital. Also, having VU meters that show the actual amplifier output will give you a good idea of what the house system is putting out, but you still have to know the system to be able to perfectly dial it in.
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  #8  
Old 01-04-2006, 05:41 PM
der geile ami der geile ami is offline
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depends.

Most people like and want a bit more bass. If you want the bass to rattle you but still be able to talk to your friends, the bass is gonna be a bit higher. Highs? Sometimes you need tweeters to complete the spectrum. For example, many compression drivers will not go above 6k without sounding horrid, jbl is one of them. Many cats partying over the years have simply lost too much uhf hearing.

because of room acoustics, you prolly wont get flat response with or without one of these boxes unless you do some narrow band eqing or treat the room.
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  #9  
Old 01-04-2006, 06:06 PM
benjaminb benjaminb is offline
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would i be right in assuming that most DJs experienced with these kinds of systems only really use the monitor for mixing then?

if the full range channel is EQed after the fact to leave some room for the subs and tweeters, wouldn't that create an undesirable frequency bump where they crossed over?

i understand the concept of having a dip in the mid-range at high volumes, it just seems like an odd thing to callibrate into the system. when i'm DJing, i'll tend to EQ disco with a boost in the highs and lows (or a cut in the mid), but with some modern house i actually need to cut the bass in some rooms, and generally play it flat if i can. if i'm understanding correctly, you can't actually cut the bass past flat with a RLA-style crossover (?).

i mean if you were sending pink noise through your system and taking readings around the room to figure out how to treat it, this would screw up all your readings wouldn't it?
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  #10  
Old 01-05-2006, 08:48 AM
der geile ami der geile ami is offline
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what else would one use hte monitors for?
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