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Cut lower frequency to help my bookshelf speakers

Dear All,

I try to open a new topic… which i did not find in the previous discussion so maybe is new to the most

 I have a 2 channels system which i want to improve with a minidsp or eq

the question in short is the following:

i love my dynaudio special 25 speakers but often i feel the need to have a better punch on the bass frequency

so i tried to add a couple of svs 1000 pro subs… with excellent results

point is that when i turn up the volume too much i feel the dynaudio midwoofer cone rattle when hit the lower frequency (actually the coil reaches the end of the air gap into the magnet)

so im thinking to add a dsp or eq to cut the lower frequencies before they reach the dynaudio

i have a pre audio research LS2 + amp mark levinson 23.5….. the idea is to add the dsp or eq in the middle and have the following configuration:


  1. connect the minidsp or eq. to the first rca out of the audio research (fortunately i have 2 rca and 2 din outputs) and then to the mark levinson …. in this way i could to cut all the bass frequency under 50 or 60 hz and have the levinson handle  the dynaudio 


  1. connect the 2 subs to the second rca out of the audio research and use the svs internal dsp with iphone app to calibrate them


Hope is clear… What do you think?


Better a miniDSP 2X4 or a Schiit loki mino+


Or anything else?



tks alot for any help or useful hint, best


Andrea


aurgolo

Showing 3 responses by mapman

mapman's avatar
mapman
22,568 posts
 
AND all the slam you ever could want.


MC, maybe but if so why did you feel compelled to add subwoofers in your case with Moabs? Apparently you wanted more bass. So this statement would appear to be a contradiction.
mapman's avatar
mapman
22,568 posts
 
You can get a MiniDSP for $250.00 that will give you an excellent 2 way crossover along with full EQ cababilities.


Can you provide a link to the exact model please?  Thanks.
mapman's avatar
mapman
22,568 posts
 
No. Lower frequencies require exponentially more power. Its where most of the work is done, especially if we are talking full range down to 20hz. Smaller drivers will have to work much harder to produce those lows than larger all else remaining the same, just like a smaller engine in a larger car.   Smaller drivers will tend to heat up more and compress.   So it’s always advantageous to have the transducer best suited to handle the frequency deliver the frequency. Even more important is we are generally talking about powered subs which also typically provide a beefy amplifier specifically designed to deliver the power needed for that flat extended bass. Most main amp/speaker combos will never be able to keep up with a good powered sub in terms of delivering clean, undistorted, extended bass. It’s also more cost effective and practical to buy a powered sub for that purpose. Full range speakers capable of doing it will tend to be be large, heavy and pricey if also built well. But of course as always, there are many ways to slay the beast.
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