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Mixing drivers |
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Clive 
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Joined: 04 August 2015 Location: Derby, UK Status: Offline Points: 60 |
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 Topic: Mixing driversPosted: 24 July 2017 at 9:31pm |
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Is it worth purposely mixing speaker drivers in a cabinet to reduce some of the small variations in response and impedance that can't be removed with e.q in the amp or controller, or are there better reasons not to?
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MattStolton
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Joined: 04 September 2010 Location: Walthamstow Status: Offline Points: 4234 |
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Posted: 24 July 2017 at 10:47pm |
If sharing the exact same volume of air in box, then no, as differing motor strength could have the strongest motor moving the weaker, in a bizarre active helmholtz resonator debacle. However, if sharing the same baffle, but in own independant back box, no reason why not, but could make the final sound out really complicated to sort, if both drivers in same pass band.
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Matt Stolton - Technical Director (!!!) - Wilding Sound Ltd
"Sparkius metiretur vestra" - "Meter Your Mains" |
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Clive
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Joined: 04 August 2015 Location: Derby, UK Status: Offline Points: 60 |
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Posted: 25 July 2017 at 7:01pm |
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I was thinking of using very similar speakers, like Kappas/Sovereigns from a typically a low Z source,
both have a few kinks and bumps in the response |
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MattStolton
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Joined: 04 September 2010 Location: Walthamstow Status: Offline Points: 4234 |
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Posted: 26 July 2017 at 9:47am |
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I would really say don't bother.
Whilst getting a speaker to be "flat" by design is obviously an ideal objective, with the price and performance of modern DSP, you can design some compromises into a box, to gain elsewhere, and fix any anomalies with DSP. I think different drivers in the same pass band would only lead to some uncorrectable issues, unless each driver was on its own amp channel, with its own DSP to manage it directly, in which case you may as well stick with identical drivers, and save a channel of DSP and amplification.... If you have the funds, why not try, but I doubt you will achieve much gains, and possibly cause more headaches.
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Matt Stolton - Technical Director (!!!) - Wilding Sound Ltd
"Sparkius metiretur vestra" - "Meter Your Mains" |
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Clive wrote: