No Rez dampening question with LSi15

chamont
chamont Posts: 22
edited November 2009 in DIY, Mods & Tweaks
I picked up some No Rez the other day from GR Research. The stuff is similar to Blackhole 5.

My question is about fill.

After I line my cabinet with the stuff, do I put the fill back in? Should I put less fill back in? Or, maybe a different type of fill?

I've heard good things about No Rez/BH5, but I haven't found anything about what to do about the fill. Maybe I haven't looked hard enough yet.

Ideas?
Post edited by chamont on
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    What is the original damping material,fiberglass,poly?it's thickness?Did it line the cabinet walls or fill the central cavity?
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  • Face
    Face Posts: 14,340
    edited November 2009
    The original fill is 2"+ thick sheets of poly.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    Face wrote: »
    The original fill is 2"+ thick sheets of poly.
    Did the poly fill the cavity or just line walls on top of the 2" material ?I would be concerned about overdamping the bass compartment and reducing the efficiency of the power port by adding too much of the original material back in.
    For the bass compartment aleast you could try it with just the Back Hole and see how sounds.If the bass is boomy then reinstall some of the original material.
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  • Face
    Face Posts: 14,340
    edited November 2009
    It filled a majority of the lower cabinet.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    Face wrote: »
    It filled a majority of the lower cabinet.
    If thats the case then I would start with the black hole and just the poly and reinstall it as it was originally.
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  • skrol
    skrol Posts: 3,387
    edited November 2009
    The No Rez looks very similar to Sonic Barrier from Parts Express. On my RTA11TL's I used a Dynamat like material on all sides, back, top and bottom. Then I lined the back and sides just behind the MW's with the Sonic Barrier and used the original Daycron above each MW like it was originally. I did not put any absorption material behind the PR's. I am very pleased with the results.
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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