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Dayton Audio RS52AN-8 2" Dome Midrange
Is this a new updated version of this driver? I noticed the Fs and usable response are a little different than the four that I purchased awhile back. I would like to lower my x-over point to 350Hz if possible.
The driver has not changed, however the specification sheet has been updated to reflect the characteristics of current production. Lowering your crossover frequency too aggressively may lead to an increase in measured distortion in that frequency range; dome midrange drivers are like large versions of dome tweeters, and it's usually best to cross over an octave above the resonant frequency to control distortion.
Date published: 2014-12-16
Would this midrange work in towers with 91db efficiency, crossed @ 1.2k and 5k? Right now has a Paradigm soft dome that I dropped in. Might replace with fountek neocd1 or dayton reference soft dome. Will these match up? Thanks
Yes this will work fine in that application.
Date published: 2014-11-20
To run these in an MTM setup would it not help to run 2 12dB bandpass filters... or at least first order xovers? What would be a good frequency split (as Adam H below) What is the lowest frequency Dolby sends to the center? I'd like to put a small woof
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Date published: 2014-10-24
Does the RS52AN-8 require it's own sealed enclosure or does the plastic cup on its rear side mean that I can install it direct into the bass enclosure? I want to use it in a 3 way system
The rear of this driver is sealed so it does not require its own chamber.
Date published: 2014-11-03
If I wanted to run these all the way up in frequency is there anything I can due to attenuate the nasty spike in amplitude that's present around 12 to 13K hertz using passive crossover parts? (coils, caps and or resistors)
What you are looking for is called a notch filter [or a narrow band pass filter] if the spike is wide. A 0.15 mh coil and a 1.5 uf capacitor will attenuate the spike but this is a 12db per octave slant--not a true notch. Check with PE's crossover component values or building loudspeakers charts/graphs section. There you will find exact filter specs. At 10Khz there is a lot of wiggle room for the values of these parts.
Date published: 2013-11-08
What type crossover?
I am planning on using these in a DIY speaker build in between a pair of Dayton 7" drivers 40-2200Hz, and a Vifa Tweeter 1500-40000Hz. I was thinking of crossing at 750Hz and 6000Hz. What order crossover would work? Do I need a second order, or can I get away with a first order crossover for this? Is this even a good plan?
Normally in a 3 way you want to cross your woofers lower, and your tweeter higher. The way you have it planned all of your speakers would be covering the range of human voices, and that is not a good thing. You want to allow each section to cover the frequencies that they handle best. Crossing your mid over at 700 and 6k is not a bad plan, but you want to keep your woofers and tweeter out of that range a little more.Since each driver produces sound beyond the crossover point, there is constructive interference between the speakers over a broad range. The order of your crossover and the natural roll off of the drivers determine how broad that range is. Knowing this, you may want to leave some space between the crossover points to prevent that constructive interference from making the complete speaker louder around those points. So, maybe something like crossing your woofer over at 500 Hz, your mid in at 700 Hz, your mid out at 6 kHz, and your tweeter in at 7 kHz, would allow your finished speaker to perform at a uniform volume across it's full range. Mind you, this is just an example, not a suggestion.If you want to really nail down how to make this speaker sound good, I suggest looking into some modeling software. Check out the Tech Talk forum for some good threads on how to do this.If you plan on just doing this by ear, I would suggest that you use 1st order crossovers to save on material costs, as you will probably need to make serious revisions to your design them to sound good.
Date published: 2014-11-10