delay settings scoops and reflex |
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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sorry my mistake - corrected it. Edited by Saul - 08 January 2010 at 2:39pm |
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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just measure the length of the top horn to get a rough idea, and then tweak. a good ear will hear when they align. inverting polarity makes sure the driver moves in horn direction first. BUT if you dont delay everything to length of scoop then dont invert polarity!
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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sorry Saul...so lets say the distance from the Comp Driver to the exit of the horn is....8 inches....whats the formula i need to know where to start tweaking? not sure what i would do with that distance in order to get to my " rough idea ".
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Its just a ride.
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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if the horn length is around 8inches - (200mm), then delay all the reflex drivers by 200mm. so your mid and low mid which are all front loaded should be delayed by the 200mm. everything above your scoops is now roughly time aligned. with regard to the rhinos: treat them like a horn, and delay everything above the scoops by 1.9m. OR treat them as a reflex box and delay the scoops by 200mm. try both and see which you prefer. p.s. make sure all the front edges of the cabs are also in line! Edited by Saul - 08 January 2010 at 3:02pm |
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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ok. will try that soon..
many thanks for your advice again mate.
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Its just a ride.
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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ok ...i can see where i am getting unstuck now....im using a berry x pro crossover that appears to only have a delay setting for the low output and thats measured in m seconds... any advice for how to set it up using this???
I can see the reasoning for inverting the phase on the rhinos...
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Its just a ride.
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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speed = distance/time use the above equation to convert from milliseconds to a distance. only delay on the low ???????
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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www.behringer.com/EN/Products/CX3400.aspxs init?
Yeah nuts init?? Theres a link to the crossover i have. now im mixing scoops with reflex i see how illogical it is having a delay for the lows only??? Not planning on going 4 way with this crossover cos i have a graphic that has a sub out so was gonna use that with an xlr signal splitter going into a matrix xp5000 for the rhinos. so was gonna run the x over 3 way stereo.
by the way....can someone explain the purpose of summing the lows? i f they were summedf in 3 way stereo mode would i just use one of the low outputs? not that it matters cos i not planning on doing that just curious.
also...checked out your rig on FB Saul...it looks mint..very impressed by the 8 core cable set up...might have to follow suit as soon as i learn a bit more of the basics!!!!
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Its just a ride.
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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cheers i'd say that's an annoying crossover!!!!! why on earth would it not have delays on each channel - very odd. btw you wont need a signal splitter cable - just plug the sub output into channel A and make sure the mono switch is turned on, and then the same signal will come out of both sides.
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phildat
Young Croc Joined: 29 January 2009 Location: manchester Status: Offline Points: 1115 |
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Right...
Guess i just need to ignore the delay factor for now...and the final word on running the subs inverse phase?
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Its just a ride.
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Saul
Old Croc Joined: 15 June 2007 Status: Offline Points: 5912 |
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i'd leave them for now until you get a LMS of some sort.
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Ollie_N
Registered User Joined: 26 January 2007 Location: United Kingdom Status: Offline Points: 350 |
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tried inverting them scoops and can hear no difference?! (delayed also) also surely a speaker is designed so that it can extend forwards and not backwards into the magnet?? can anyone shine some light on this please
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