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  1. #1

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    Oct 2010

    Default Crossover question please.


    I just purchased; Monitor 60's, CS1, Monitor 30's, PSW10 and an Onkyo TX-SR508.

    Would it be ok/safe to have my crossover set for 60hz? I am worried about the Monitor 30's getting damaged and having sound drop off, but the 60 hz sounds fuller to me.


  2. #2

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    Apr 2007


    It should be fine. The Monitor 60's will only go so low and they should hit 60hz without a problem. So anything lower than that will be pretty much ignored by them in theory.
    Quote Originally Posted by Timothy Smith View Post

    That's like working your way through Katie Perry in order to get to Rosie O'Donnell.

  3. #3

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    Oct 2010


    Thanks for the response, but I was wondering about the Monitor 30's.

  4. #4

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    Aug 2010
    Austin, TX


    I had your same speaker setup, I tried running them at 60hz and 80hz. Personally I thought 80hz sounded better to me (do what sounds best to you). 60hz shouldn't hurt anything it's just that they won't replicate the low bass in that range as good as a subwoofer. Their lower -3db limit is 63hz so they will roll off before 60hz anyways.
    Theater Room: Pioneer Elite SC-35, RTi12's, Csi5, Fxi5's, Fxi3's, ED A5-350 sub, Optoma HD20, 92'' Elite Screen, Xbox One, APC H15, MIT Exp 2 SC's, Pepster PC's

    Living Room: Martin Logan EM ESL's, Peachtree Audio iNova, MIT AVT2 SC's & IC's, Pepster PC, Sharp Aquos 60'', Sony BDP S-790, Airport Express

    Bedroom: Panasonic AX200U projector, 110" screen

    Outdoor: Polk Atrium 5's, Yamaha Rxv371

  5. #5

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    Jul 2001
    Mobile, AL


    The -3dB point is in an anechoic chamber. In-room extension will be lower than that. But the problem you run into when you set the crossover too near the speaker's -3dB point is that the crossover cascades with the natural rolloff of the speaker. Because of this, you won't lose bass in the 60Hz region... but you will lose some 30-60Hz bass from that channel since you're not allowing enough room for it to transition to the sub.

    Still, like I said, the in-room extension is probably lower than the spec'd rating, so if it sounds good to you, DO IT.
    Equipment list:
    Onkyo TX-NR3010 9.2 AVR
    Emotiva XPA-3 amp
    Polk RTi70 mains, CSi40 center, RTi38 surrounds, RTi28 rears and heights
    SVS 20-39CS+ subwoofer powered by Crown XLS1500
    Oppo BDP-93 Blu-ray player
    DarbeeVision DVP5000 video processor
    Epson 8500UB 1080p projector
    Elite Screens Sable 120" CineWhite screen

  6. #6

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    Oct 2007


    I have a very similar set up to you .....and I'm running my m 60's at 60 hz my m30's at 80hz and my cs1 at 80hz and this works very well for me .......the 30's seem to get sloppy below the 80hz range I'd rather send everything over to you subwoofer ......imo you would get more accuracy and bass response and less distortion this way ......whatever works best for your ears though.....every ear is different and room size furnishings etc all make a difference...........good luck
    Budget 5.1 H.T. Set Up
    HK avr 247 - Adcom GFA-7605 - Belkin PF60 Power Conditioner - Cs2 center channel - Monitor 60's fronts - Monitor 30's rears
    Mirage Bps 150i powered sub - 40"Samsung LCD ln40c530 - Sony Blu Ray Player BDP-S370 - Comcast digital hd box(motorola dcx3400)
    Monoprice Premium Interconnects Monoprice Ultra Slim HDMI w/Redmere -Knukonceptz Kord 10 Gauge Speaker Wire - Nakamichi Banana Plugs
    Custom Jumpers

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