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  1. #1

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    Default Is the DB651 the right choice?

    I'm assembling components for the cabin (inside) of my 26ft cuddy cabin boat. It's an old-school Formula, so the cabin is quite large (13ft long). I have a Cadence F100-5 amp that will drive these "front two channels" with 100WRMS into 4 ohms or 150WRMS into 2 ohms. I will install two sets (four speakers) of 6.5" 4 ohm speakers in the cabin, so the amp will be seeing somewhere near 2 ohms (I'm running true 12ga speaker wire from amp to speakers). My question is, how careful will I have to be if I install DB651 speakers? I listen mainly to rock and pop (no rap or hip-hop) at medium sound levels, but occasionally crank it up when the wife's not around I already have a set of Lanzar Opti 6.5 components that handle 150WRMS, but I want to get another sound from a different set of speakers to help balance things out (the Lanzars seem a bit reserved in the midrange but stout in high bass and tweeter frequencies). If the DB651 saw 100W of "clean power" for a few minutes, would that be too much for it to handle? I will have my amp crossover set to only allow frequencies above 150Hz (or so) to go to these speakers. I was also looking at the MM speakers, but they're more than I want to spend, and I read some reviews that indicated they are not as "natural sounding" as the DB speakers. As a side note, the rear channels of the amp will drive four speakers in the cockpit (outside) and the fifth channel (350WRMS into 2 ohms) will drive a 10 or 12" sub in a shallow enclosure mounted under the cabin entry step. Any suggestions would be appreciated. Keep in mind that I want to stay below $80 for the set. I have been eyeing the popular Hifonics 6.5" component set that's rated at 100WRMS, but I'm not convinced that the sound quality will be comparable to the Polk coaxial units.

  2. #2

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    I would recommend that you get the polk MM651's from onlinecarstereo.com for $120. These will handle the power fine. The DB is just a cheap poly cone while the MM is a glass hybrid cone = better. Also the MM comes with a much better crossover.

    Although you have 150W RMS available you would only be using this by maxing out the system. If you listen to your system -3db of max your power drops by half to 75W.
    Last edited by pentoncm; 01-27-2012 at 11:33 AM.
    Audison Bit Ten
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  3. #3

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    Yeah the DB's are great entry level speaker but there still "entry level". The MM's are much better.
    polkaudio sound quality competitor since 2005
    MECA SQ Rookie of the Year 06 ~ MECA State Champ 06,07,08,11 ~ MECA World Finals 2nd place 06,07,08,09
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    polkaudio SR6500 --- polkaudio MM1040 x2 -- Pioneer P99 -- Rockford Fosgate P1000X5D

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