Always struggled with a bit of subwoofer bass boom - and have fiddled with all sorts of solutions, from using a BFD (good but very hard work to get setup properly) to using the single PEQ on the back of my SVS Ultra 13 Subwoofer - none to any avail - or certainly none gave me the improvement I was looking for.
I knew as a minimum (using REW - a software program that shows your frequency curve amongst a lot of other things) - that I had about a 10dB peak at 41hz - but could not get it dialled in accurately enough to remove using the single PEQ on the back of my Sub.
Therefore decided to give an Antimode 8033 a whirl - which does all of this automatically - cost around £220 delivered
http://www.dspeaker.com/en/products/anti-mode-8033.shtml
Autosetup (using the supplied mic) takes about 3 minutes, you can take multiple measuring points if you wish, you then simply connect an input line-in cable from amp pre-out to the antimode, and another cable from antimode to your sub.
It then sets a number of filters (up to 24 I think) to try and give a flat a response from 16-140 odd hz as it can. One interesting point to the Antimode is it corrects both for frequency and amplitude, but also filters in the time domain to reduce ringing.
Overall impressions are superb - one of the best upgrades I've performed on my system, my sub sounds more accurate and punchy now, and I can listen at higher volumes without any boom.
For the money its a no brainer.
I'll try and post pre and post 8033 EQ curves later if I get the time
cheers, Buckshar
I knew as a minimum (using REW - a software program that shows your frequency curve amongst a lot of other things) - that I had about a 10dB peak at 41hz - but could not get it dialled in accurately enough to remove using the single PEQ on the back of my Sub.
Therefore decided to give an Antimode 8033 a whirl - which does all of this automatically - cost around £220 delivered
http://www.dspeaker.com/en/products/anti-mode-8033.shtml
Autosetup (using the supplied mic) takes about 3 minutes, you can take multiple measuring points if you wish, you then simply connect an input line-in cable from amp pre-out to the antimode, and another cable from antimode to your sub.
It then sets a number of filters (up to 24 I think) to try and give a flat a response from 16-140 odd hz as it can. One interesting point to the Antimode is it corrects both for frequency and amplitude, but also filters in the time domain to reduce ringing.
Overall impressions are superb - one of the best upgrades I've performed on my system, my sub sounds more accurate and punchy now, and I can listen at higher volumes without any boom.
For the money its a no brainer.
I'll try and post pre and post 8033 EQ curves later if I get the time
cheers, Buckshar
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