how to untwist the plastic terminal caps?

Turmoil6909
Turmoil6909 Posts: 29
edited December 8 in Speakers
Hey everyone. This is gonna sound really stupid, i know.

I am looking to replace the jumper on my RT800i's with wire. On one speaker, the tops unscrewed relatively easy. These ones [pic below] are being a PITA. I have tried 3 different sets of pliers, I have tried pulling out the jumper (too tight, does not work) and I still can't get these things to untwist. You can see the damage I have already done to the plastic :neutral: Any suggestions?

Thanks

jjtjuw98xz4d.png
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Comments

  • la2vegas
    la2vegas Posts: 674
    Use a ratchet with the correct size socket. Untighten. Done.
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  • Turmoil6909
    Turmoil6909 Posts: 29
    Oh my gosh. that makes me feel really stupid. That was super easy lol, no idea why I never thought of that thanks
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  • msg
    msg Posts: 10,110
    ^^^agree
    But that's really weird they wouldn't loosen with pliers.

    Did you get these used by chance?
    They don't come all the way off, but possibly damaged/forced/cross-threaded/JB Welded at some point.

    Righty Tghty Lefty Loosey, right? I mean, correct?

    Be careful, even with ratchet and socket, could just snap the plastic off the metal nut inside.
    I disabled signatures.
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  • VR3
    VR3 Posts: 28,729
    Some are not removable in my experience, ie if you force them off they may not go back on again.

    Why do you need to remove them? They are really easy to remove from the bottom
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • la2vegas
    la2vegas Posts: 674
    I believe that the OP wants to remove the factory stamped steel jumpers with some good quality wire jumpers.
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  • la2vegas
    la2vegas Posts: 674
    edited December 8
    .



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  • la2vegas
    la2vegas Posts: 674
    .

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  • VR3
    VR3 Posts: 28,729
    Just cut them off with wire cutters the stock ones are junk anyways then install wire
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • Turmoil6909
    Turmoil6909 Posts: 29
    > Did you get these used by chance?

    Yes. But the ratchet method worked fine and everything still screws properly. All good.
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  • Turmoil6909
    Turmoil6909 Posts: 29
    edited December 8
    > Just cut them off with wire cutters the stock ones are junk anyways then install wire

    Thanks @VR3 , this is what I was planning on doing.

    It's fine if I use bare wire as a jumper if I am using bare wire to connect to amp too, no? Like basically inside each terminal bare wire "hole" I would have the jumper wire, and I would have a bare wire going to the amp as well in the same hole (top terminal only)?

    Edit: let me take a picture real quick so this makes sense
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  • Turmoil6909
    Turmoil6909 Posts: 29
    Like this. Given the stock metal plate jumpers came off, it's ok to do a bare wire jumper like this right? If I had some money I would just buy the banana plug ones, but I'm a broke student ;(

    Thanks again everyone

    5p1nu30nkm94.png
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  • VR3
    VR3 Posts: 28,729
    edited December 8
    Yes no problem, imo better than banana plugs
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • F1nut
    F1nut Posts: 50,643
    Bare wire and lamp cord suck.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • treitz3
    treitz3 Posts: 19,114
    When you are a broke student, they don't.

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Turmoil6909
    Turmoil6909 Posts: 29
    treitz3 wrote: »
    When you are a broke student, they don't.

    Tom

    exactly :sweat_smile:
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  • Turmoil6909
    Turmoil6909 Posts: 29
    Speaking of, these replacement tweeters look expensive.... jeez.... if anyone can get me SL6506 tweeters at a better price than ebay please DM me :smile:
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  • treitz3
    treitz3 Posts: 19,114
    BTW, @Turmoil6909 - please allow me to offer you a very warm welcome to Club Polk.

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Turmoil6909
    Turmoil6909 Posts: 29
    edited December 8
    treitz3 wrote: »
    BTW, @Turmoil6909 - please allow me to offer you a very warm welcome to Club Polk.

    Tom

    Thank you!

    Anyways, I am going to switch the tweeter housing between my speakers to make sure that is the only thing that is broken and not the crossover or one of the other drivers

    Edit: with tweeters switched, right speaker now sounds normal. so it's confirmed, tweeter is only issue.
    Post edited by Turmoil6909 on
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  • pitdogg2
    pitdogg2 Posts: 25,547
    Turmoil6909 wrote: »
    Speaking of, these replacement tweeters look expensive.... jeez.... if anyone can get me SL6506 tweeters at a better price than ebay please DM me :smile:

    To be honest it's a supply and demand thing. They are no longer made and the supply dictates the price.
    On the other hand give polk CS a call. The last time I checked for spares for my RT55i they offered a different tweeter.
    I had been looking for some for a while, with no luck. Unfortunately, the SL6506 has been upgraded to the SL6511, so you would need to get two to match.
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  • Turmoil6909
    Turmoil6909 Posts: 29
    pitdogg2 wrote: »
    Turmoil6909 wrote: »
    Speaking of, these replacement tweeters look expensive.... jeez.... if anyone can get me SL6506 tweeters at a better price than ebay please DM me :smile:

    To be honest it's a supply and demand thing. They are no longer made and the supply dictates the price.
    On the other hand give polk CS a call. The last time I checked for spares for my RT55i they offered a different tweeter.
    I had been looking for some for a while, with no luck. Unfortunately, the SL6506 has been upgraded to the SL6511, so you would need to get two to match.


    Any difference in sound since the domes seem to be different materials?
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  • Turmoil6909
    Turmoil6909 Posts: 29
    pitdogg2 wrote: »
    Turmoil6909 wrote: »
    Speaking of, these replacement tweeters look expensive.... jeez.... if anyone can get me SL6506 tweeters at a better price than ebay please DM me :smile:

    On the other hand give polk CS a call. The last time I checked for spares for my RT55i they offered a different tweeter.



    I did call. They just gave me the part number (oddly, SL6502 instead of SL6506-which mine say) and said to look for a third party seller
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  • treitz3
    treitz3 Posts: 19,114
    You may want to look for a trashed pair of lower level brother speakers offered at a less than cheap price. Contact the seller and tell him/her to trash the speaker itself but send you the tweeters with the leads still intact.

    (Just a thought). They would have to have knowledge on how to send the tweets without damage though. That may be a challenge....

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Turmoil6909
    Turmoil6909 Posts: 29
    treitz3 wrote: »
    You may want to look for a trashed pair of lower level brother speakers offered at a less than cheap price. Contact the seller and tell him/her to trash the speaker itself but send you the tweeters with the leads still intact.

    (Just a thought). They would have to have knowledge on how to send the tweets without damage though. That may be a challenge....

    Tom

    Thank you. Yes, I was looking into doing this. do you happen to know the difference between SL6502 and SL6506? And which speakers would have either of these so I could look around?
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  • treitz3
    treitz3 Posts: 19,114
    That would better be answered by other members. I am unfamiliar with Polk tweeters, other than the most common issues and stock numbers.

    Hang loose. I am fully confident that someone will chime in with an answer. Please keep in mind that this is a forum....many folks are in bed or doing something other than posting by 10 EST.

    If you don't get an immediate answer....have patience, young grasshopper...

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • VR3
    VR3 Posts: 28,729
    Rt35i and up
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • treitz3
    treitz3 Posts: 19,114
    Nice. Thanks Trey.

    Tom
    ~ In search of accurate reproduction of music. Real sound is my reference and while perfection may not be attainable? If I chase it, I might just catch excellence. ~
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  • Turmoil6909
    Turmoil6909 Posts: 29
    VR3 wrote: »
    Rt35i and up

    Thank you. Sorry, I am unfamiliar with Polk lineup. What do you mean by "and up"? I would assume the newest Polk releases don't use the same tweeters?


    I found another thread that says tweeters are the same in the "RT55, RT600, RT800, RT1000 and RT2000 (regardless of whether they are "i" or "p" series" - but i'm not sure if this is referring to SL6502 or SL6506

    Thanks again very much!
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  • F1nut
    F1nut Posts: 50,643
    edited December 8
    The SL6502 and SL6506 are interchangeable.

    If you are handy...

    https://www.ebay.com/itm/145857250600?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=kkyngzhwqyi&sssrc=4429486&ssuid=&var=&widget_ver=artemis&media=COPY
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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  • Turmoil6909
    Turmoil6909 Posts: 29
    F1nut wrote: »
    The SL6502 and SL6506 are interchangeable.

    If you are handy...

    https://www.ebay.com/itm/145857250600?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=kkyngzhwqyi&sssrc=4429486&ssuid=&var=&widget_ver=artemis&media=COPY


    Ok, that makes sense, thanks. I think I would need the actual tweeter, too, since I am getting no sound out of it at all with the "paper towel roll test." Only replacing the dome would not fix this, right?
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  • F1nut
    F1nut Posts: 50,643
    edited December 8
    Turmoil6909 wrote: »
    F1nut wrote: »
    The SL6502 and SL6506 are interchangeable.

    If you are handy...

    https://www.ebay.com/itm/145857250600?mkcid=16&mkevt=1&mkrid=711-127632-2357-0&ssspo=kkyngzhwqyi&sssrc=4429486&ssuid=&var=&widget_ver=artemis&media=COPY


    Ok, that makes sense, thanks. I think I would need the actual tweeter, too, since I am getting no sound out of it at all with the "paper towel roll test." Only replacing the dome would not fix this, right?

    The domes include the voice coils, which is what carries the signal. If the current coil is damaged/cooked those domes are what you need.

    I'm not sure about those tweeters, but they may use Ferrofluid, which can turn into a fairly hard sludge and prevent the tweeter from producing sound.
    Political Correctness'.........defined

    "A doctrine fostered by a delusional, illogical minority and rabidly promoted by an unscrupulous mainstream media, which holds forth the proposition that it is entirely possible to pick up a t-u-r-d by the clean end."

    President of Club Polk

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