Modifying the Monitor series??

polkfan38
polkfan38 Posts: 360
edited April 2010 in DIY, Mods & Tweaks
Awile back, I opened up my Monitor 40s to see what was rattling around on the inside. After removing one of the drivers, I noticed there was not a lot of insulation inside. Just on the sides. Just bare wood on the top, bottom and back. What would be the proper way to to modify them? As far as adding "stuffing". Will I notice a differance?
Thanks!
Things are more like they are now than they ever will be!
Post edited by polkfan38 on
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  • polkfan38
    polkfan38 Posts: 360
    edited April 2010
    Hmmm
    Things are more like they are now than they ever will be!
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  • jrgoswick
    jrgoswick Posts: 159
    edited April 2010
    A lot of people here are using dynamat(or a similar product) on the drivers baskets. Then using rope caulking for the gaskets. I'm going a step further(when I get the time). Using liquid nail around all the cabinet seams that I can possibly get to. Letting that set up, then applying the same dynamat again to all the cabinet I can get to. Afterward I'm going to add some poly fill. This should deaden up the cabinet and cancel ANY resonance that is going on. I also suggest upgrading the cross-overs.
    BTW-What was rattling around?
    Onkyo TX-SR705 AVR
    Onkyo M-501-Given to my father.
    Onkyo DX-C730 CD Changer
    Onkyo DV-BD507 Blu Ray player
    Onkyo CP-1036A turntable with Grado, Audio Technique, and Azden cartridges(GOT CARTRIDGE??)
    Polk Monitor 12's with RDO's and XO's
    Polk CS300 Center
    Polk Monitor Series 4 rears

    EBAY is like cocaine. At first you only look, next thing you know, your house is full of crap you have no idea why you own.:eek:
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  • RuSsMaN
    RuSsMaN Posts: 17,986
    edited April 2010
    No Rez or Blackhole 5 are your best bets for internal damping. Running a bead of liquid nails won't hurt anything, but probably won't help much either. Be carefull just 'stuffing' a box with fill, the amount most manufacturers use in a speaker is part of the design, especially in a ported loudspeaker. You change the fill, you alter the tune.

    Cheers,
    Russ
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • jrgoswick
    jrgoswick Posts: 159
    edited April 2010
    I'm thinking I won't need much if any. There is NO DAMPENING material at all around the lower part of the cabinet where my PR's are at. I'll try it with dynamat first. Then experiment with the fill. Spikes are also on order to couple them to the floor better.
    Onkyo TX-SR705 AVR
    Onkyo M-501-Given to my father.
    Onkyo DX-C730 CD Changer
    Onkyo DV-BD507 Blu Ray player
    Onkyo CP-1036A turntable with Grado, Audio Technique, and Azden cartridges(GOT CARTRIDGE??)
    Polk Monitor 12's with RDO's and XO's
    Polk CS300 Center
    Polk Monitor Series 4 rears

    EBAY is like cocaine. At first you only look, next thing you know, your house is full of crap you have no idea why you own.:eek:
    · Share on FacebookShare on Twitter