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Thread: rt400

  1. #1

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    Default rt400

    Just bought a set of rt400's with a Sony receiver.

    One of the speakers sounds great, and I love it.

    The catch, though, is that the other one sounds like crap. It sounds like someone's blowing into a mic during the recording or tapping on it.

    And speakers work best in pairs.

    I know this is really vague and probably helps you not at all, but if anyone has any ideas or good questions to ask I'd appreciate it greatly.

    Matt

  2. #2

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    First isolate if its the speakers or the receiver.Do you have other speakers to test the reciever?Or another reciever to test the speakers.I would guess its a bad speaker.Swap the left/right to see if the problem follows.
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  3. #3

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    It's the speakers for sure. I took off the covers and (this is the part where my inexperience will no doubt show itself) pushed down gently on the speaker itself. On the good one there was no sound but on the bad one there was a slight scratch in one area of the speaker.

    I took off the screws to try to take it out of the casing but it doesn't seem to want to come out. I'm assuming it wasn't made to be removed.

  4. #4

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    I did also test the receiver with other speakers to make sure. 4 other sets sound fine.

  5. #5

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    You have a bad driver(voice coil).Call polk.You got a warranty,right?
    SDA-2BTL with custom IC
    Adcom 565 monoblocks--Monarchy Audio M-10 preamp
    Theta Data Basic Transport--Camelot Arthur DAC--Camelot Dragon Pro2 MK III
    Harman Kardon T-55c TT
    DH Labs Q-10 Signature Speaker Cables With Furez silver plated copper bananas
    Prophecy Cryo-Silver Reference AES/EBU
    Prophecy Cryo-Silver i2s digital cable
    4 Furutech FP-314Ag with FI-11cu Plugs/FI-11AG IECs--- Power Cords
    DH LABS REVELATIONS ICs-amps
    Revelation Audio Labs Paradise cryo-silver ICs-Source to pre

  6. #6

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    Bought it used. I have no idea.

  7. #7

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    Well then you will need to replace that bad driver.Polk should be able to send you the driver you need.Club polk members get a discount and free shipping.Mention that if you call or email them.
    SDA-2BTL with custom IC
    Adcom 565 monoblocks--Monarchy Audio M-10 preamp
    Theta Data Basic Transport--Camelot Arthur DAC--Camelot Dragon Pro2 MK III
    Harman Kardon T-55c TT
    DH Labs Q-10 Signature Speaker Cables With Furez silver plated copper bananas
    Prophecy Cryo-Silver Reference AES/EBU
    Prophecy Cryo-Silver i2s digital cable
    4 Furutech FP-314Ag with FI-11cu Plugs/FI-11AG IECs--- Power Cords
    DH LABS REVELATIONS ICs-amps
    Revelation Audio Labs Paradise cryo-silver ICs-Source to pre

  8. #8

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    Thanks for your help. I'll probably be on here soon enough asking for help installing it, if I can get one.

  9. #9

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    Your welcom.OH, and welcom to club polk.It will change your life.I WAS a PC nut and now Im an audiophile and upgrade freak.
    SDA-2BTL with custom IC
    Adcom 565 monoblocks--Monarchy Audio M-10 preamp
    Theta Data Basic Transport--Camelot Arthur DAC--Camelot Dragon Pro2 MK III
    Harman Kardon T-55c TT
    DH Labs Q-10 Signature Speaker Cables With Furez silver plated copper bananas
    Prophecy Cryo-Silver Reference AES/EBU
    Prophecy Cryo-Silver i2s digital cable
    4 Furutech FP-314Ag with FI-11cu Plugs/FI-11AG IECs--- Power Cords
    DH LABS REVELATIONS ICs-amps
    Revelation Audio Labs Paradise cryo-silver ICs-Source to pre

  10. #10

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    Hehe. Thanks. I can sense a huge outflow of money in my near future. Accompanied by amazing music.

  11. #11

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    The driver for that model was discontinued.

    Lesson learned:

    Test audio equipment before buying it used.

  12. #12

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    Contact KEN at polk.Call and ask for him and he should be able to provide you with a replacement that would work.
    SDA-2BTL with custom IC
    Adcom 565 monoblocks--Monarchy Audio M-10 preamp
    Theta Data Basic Transport--Camelot Arthur DAC--Camelot Dragon Pro2 MK III
    Harman Kardon T-55c TT
    DH Labs Q-10 Signature Speaker Cables With Furez silver plated copper bananas
    Prophecy Cryo-Silver Reference AES/EBU
    Prophecy Cryo-Silver i2s digital cable
    4 Furutech FP-314Ag with FI-11cu Plugs/FI-11AG IECs--- Power Cords
    DH LABS REVELATIONS ICs-amps
    Revelation Audio Labs Paradise cryo-silver ICs-Source to pre

  13. #13

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    Default

    Quote Originally Posted by fbm211 View Post
    Contact KEN at polk.Call and ask for him and he should be able to provide you with a replacement that would work.
    +1

    I know they make a substitute replacement. I've bought them before. You might have to change both drivers so they match.

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