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Thread: Please Help

  1. #1

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    Smile Please Help

    Hey Everyone,
    I am getting my father a new set of speakers (thinking of Polk Monitor70s) for his Kenwood Basic M2 that seems to blow every speaker my father hooks up to it (Not a fault with the unit, It's more because he likes his music loud and doesn't get speakers that can handle it).

    Would those speakers handle this?

    Kenwood Basic M2 Specs:
    Specifications
    Power output: 220 watts RMS per channel into 8 ohms
    Total harmonic distortion: 0.004%
    Damping factor: more than 1000
    Frequency response: 1Hz to 200kHz
    Signal to noise ratio: 120dB
    Speaker impedance: 4 to 16 ohms

    Thank you in advance

  2. #2

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    Your father needs to know that when the amp starts to clip or the speakers start to distort, it's time to turn it down. Any speaker can be blown if they are abused or pushed beyond their limits.
    Main system: Proton AA-1150, Yamaha C-4, Furman Elite-15 DMi, Nakamichi CR-1A, Marantz CD5003, Squeezebox Classic, Music Hall dac25.2, Dual 1229/Denon DL-303, Music Hall MMF-5.1/Goldring 1042, Pro-Ject Speed Box II, Sennheiser HD600, Monitor Audio Silver RS8, Monitor Audio FB-210

    HT: Sony KV-36FS100, Yamaha RX-V800, Furman Elite-15 DMi, Marantz DV6001, Polk Audio RT55i, RTi38, CS400i, (2) PSW450

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    Quote Originally Posted by classic carl View Post
    Your father needs to know that when the amp starts to clip or the speakers start to distort, it's time to turn it down. Any speaker can be blown if they are abused or pushed beyond their limits.
    +1

    Another thing that can blow speakers is under powering them as well. Under powering them can cause distortion at loud levels. When a amp clips or a speaker distorts, it heats the coils up and causes them to blow especially the tweeter.

    Question is it the tweeters that he is blowing? if so, either turn it down a hair or get a more powerful amp. If its the woofer that he is blowing, then add a powered subwoofer into the system.

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    Thanks for the reply guys,
    I think the woofer was blown on the last set, you can still hear the tweeters.

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    First off what speakers has he blow up?? Has this power amp been checked out at all? What music is he trying to play and at what volume??

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    Power handling capabilities of a speaker are assuming good/clean power that is not clipped. Under-powered amps claim far more tweeters than over-powered amps.

    Transport: Oppo BDP-103/USB HDD (flac)
    DAC/Preamp: Benchmark DAC/PRE
    Power Amp: Parasound HCA-1500A
    Speakers: Harbeth Compact 7ES-3 Monitor
    Cables: Kimber Hero/8TC; DH Labs D-75

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    The original ones he got with the system where some type of Sansui with a bunch of speakers in the cabinet, I think 8 way or so. He still has them (these lasted the longest, They blew maybe 4 years ago), the tweeters are blown off of that. Next he got some Sonys then some cheap Pyle ones. He listens to Spanish Rock. In terms of volume I am not really sure.

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    Ok...these are cheap speakers....not going to work well at really loud volume. How much money do you have to spend on speakers?

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    I was planning on about $200 per speaker but do you have any recommendation? I was also thinking if maybe Monitor70 would not handle it that I would get 2 pairs and have them hook up by zones, This amp is a 2 channel 2 zone

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    OK..how big is the room he is listening in? "assumeing" the Kenwood is NOT the problem....forget about 4 speakers. He is pushing these speakers far beyound what they can handle. To be blunt..he needs some Cerwin Vegas..maybe a used set of AT12's or something. He is playing these really loud..these speakers you said, are just not made to do that...he's just frying them.
    The CV's will play louder then he can handle..sound better then cheap Sonys, and ar hard to blow up.

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    Those look great and fit my budget, I will definitely look at those. Thank you so much!

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    Let me put it this way. The Sonys and the other speakers he has blown are not high quality, nore Hi Fidelity speakers. Again.."assuming" nothing wrong with the Kenwood..he is throwing far more watts at these speakers then they can handle, plus trying to play them really loud, as to try and get bass out of them..which again..they really can't do...period. He's just frying the speaker coils.



    Now i'm a big fan of Polk speakers...but just based on what you have already said....not sure there the right speakers for him. Again...the CV speakers are probably your best bet. He wants loud...probably with alot of bass. The CV's will do that. The speakers you mentioned...are NOT stereophile stuff...the CV's will just sound better all the way around.

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    I really like the look and sound quality of the Polks, I personally have some Monitor40s with a Yamaha CRX receiver and it sounds amazing that is the reason I wanted to give him the Monitor70s. I am still contemplating on just giving him the Polks and just telling him to take it easy on the volume. The CV's are definitely a good second option

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    I agree with CV in this situation. Otherwise, for polk, i think you would be looking at something like the monitor 70 with a subwoofer, or or a used set of RTI12 but, i would still get a subwoofer with it.

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    I would agree with you on the sound of the monitor 70's...i'm sure there going to sound fine.

    BUT...knowing what your father already has already blown up...May not be such a good idea.



    Polks may be "accurate" but are not know for massive volume. I'm 60 years old..I kind of know what your father wants to hear. He wants loud rock with bass kicking his butt...LOL The Polks are just NOT going to give him that.

    The CV's on the other hand..are not as "accurate"..BUT will give him the ass kicking bass he wants and the volume...and he will be hard pressed to blow them up...as there designed to blow your face off....LOL



    You can buy what you want..but telling your father to keep the volume down.....well..really?

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    that is definitely true, that has got to be the reason why he likes it loud lol. I guess I will look in the CV's. Thank you guys!

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    Uhhh, maybe a fuse in line would be prudent.

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    Quote Originally Posted by gdb View Post
    Uhhh, maybe a fuse in line would be prudent.
    Hence the Cerwin Vega suggestion both the tweeter and whole speaker is fused.
    they take tons of abuse and ask for more.

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