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Mixer for DJ use |
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bass traffic 
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Joined: 11 May 2010 Status: Offline Points: 1167 |
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 Posted: 30 January 2012 at 12:15am |
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If everything is running right the subs will be getting a full power signal that equals to 6.4k in total, the 1600w the mids will be getting x4 is 6.4k, your amp might not be able to spit all of that out but technically speaking it is going to try.
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Always think bigger because your dreams might be the only thing holding you back.
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Earplug
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Joined: 03 January 2012 Location: Europe Status: Offline Points: 693 |
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Posted: 30 January 2012 at 10:35am |
Ok, interesting, but the audio signal still has to go through 'real life' processing and filtering within the unit. I´d still like to see photos of a FIR filter response to a square wave! Mine: active HP filter, 1k5Hz crossover point: 1) Upper trace = i/p, (200Hz). Lower trace = o/p, ie almost 0V, as expected:  Now square:  At 2k5Hz:   Anyone got the time to post photos of their digital xover response? Edited by Earplug - 30 January 2012 at 10:36am |
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Earplugs Are For Wimps!
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norty303
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Joined: 18 August 2004 Location: Eastbourne Status: Offline Points: 6722 |
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Posted: 30 January 2012 at 12:22pm |
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I think this is very interesting stuff, and quite eye opening as to what's going on.
I'm still not convinced its a problem at reasonable levels though, although happy to adjust my thinking... I think it should be put somewhere more obvious, as I suspect its of interest to a lot of people who may not bother to read a thread about DJ mixers 
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Tarkovsky
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Joined: 30 June 2011 Status: Offline Points: 191 |
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Posted: 30 January 2012 at 12:41pm |
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Agreed on every count!
This is also a damned good excuse for me to by that formula sound mixer as opposed to a shitty djm-800!
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audiomik
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Joined: 06 April 2010 Location: Bath, UK Status: Offline Points: 1738 |
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Posted: 04 February 2012 at 8:11am |
So far we've looked only at single sine-waves; with a normal program source there will be a number of different frequencies present concurrently and intermodulation distortion products are produced which are additional to distortion harmonics caused by clipping a sinewave. Agree with Norty that a separate dedicated thread would be good to look at all of this in more detail...... so am starting one titled: "Signal chain overload effects" in the Electro Frying Section. Mik Edited by audiomik - 04 February 2012 at 8:27am |
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Rule #1: "there are no such things as problems
...........................only solutions we haven't thought of yet" |
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brooa
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Joined: 23 August 2011 Location: Australia Status: Offline Points: 65 |
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Posted: 04 February 2012 at 9:00am |
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the 2 simple ways i solve dj's pushing to hard,
1. baseball bat 2. 3 chance rule. if they push to hard 3 times turn off the system. works 100% of the time. you only have to turn it off once for word to get round Edited by brooa - 04 February 2012 at 9:00am |
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audiomik wrote: