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  1. #1

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    Default Heirloom Monitor 10s

    Hello,

    I am new to this forum so a quick hello. I'd like to say that I'm by no means an audiophile or even remotely knowledgeable about audio equipment, speakers, components etc... and so on. I've been reading through the forums here and I can tell that everyone else here has more knowledge about the subject than me. I've always been told I'm tone deaf so I've never had much interest in quality (high-end) stereo equipment.

    However, my father just gave me his vintage Polk Monitor 10 speakers that he bought in the seventies. The tweeters are blown and I need replacements. If I understand correctly the RDO-198-1 will work as a replacement (of the SL 2500). Is that correct? If so where's a good place to buy them?

    Thanks in advance for any advice/info/help you can give.

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    1-866-764-1801 ask for Helen Yarbor, mention your a Club Polk Member $48 +tax shipping is free
    POLK SDA 2.3 TLS BOUGHT NEW IN 1990, Gimpod/Sonic Caps/Mills RDO-198
    POLK CSI-A6 POLK MONITOR 70'S ONKYO TX NR-808 SONY CDP-333ES
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    POLK SDA 1C BOUGHT USED 2011,Gimpod/Sonic Caps/Mills RDO-194
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    Hello Mj,welcome to club Polk.We all start somewhere in our audio journey.Dad gave you a nice sounding set of speakers,as polkieman pointed out call they will fix you up.

    Dan

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    Thanks much, guys. I remember my Dad loved those speakers when I was younger. When they get back to form, I can have him over for a beer and listen to some music.

    Thanks again.

    -- Matt

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    Welcome to CP. If he bought them in the 70s, they'd have Peerless Tweeters, not SL2000s. If they do have the SL2000 Silver Coil Tweeters (it will say silver coil on the front), then the drop-in replacement is the RDO-194-1, not the 198
    Home Theater/2 Channel:
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    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
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    The monitor 10s are awesome starter speakers and good enough that many don't move on in their journey. They are so great due to two things: they aren't overly harsh or revealing and can make anything (almost) sound great. Congrats on the awesome sloppy seconds, even better that they remained in the family.
    Usher CP-6311, Shuguang S200MK, Shuguang S845MK, Pioneer BDP-51fd, Essence Audio HDACC, Douglas IC's, Douglas Alpha bi-wire SC's, Pangea/Douglas PC's, Epson 8100

  7. #7

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    Welcome to Club Polk!

    And "always" keep some vintage Monitors around, you won't regret it.

    Oh, and you don't need a musical ear to appreciate the music that comes from them. My son couldn't carry a tune to save himself, my daughter sings like an angel and plays by ear, both love to listen to music!

    cnh
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    Pictures may help to identify what tweeters you have.

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    Quote Originally Posted by westmassguy View Post
    If they do have the SL2000 Silver Coil Tweeters (it will say silver coil on the front), then the drop-in replacement is the RDO-194-1, not the 198
    How about if they have the SL-2500, as the OP stated? The 2500's were used in the Monitor 10 Series 2 version, the last of the Monitor 10s.

    To the OP - can you post a pic so we can help you be sure of what tweeters your speakers have and can direct you to the right replacements?

    Also, WELCOME to Club Polk! Enjoy the Monitor 10s. They were my first of MANY Polk Audio speakers, purchased about 25 years ago. I still have them and put them to use almost every day - awesome speakers, especially if you have the original stands with them.
    Last edited by teekay0007; 04-17-2014 at 02:06 AM.

  10. #10

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    Quote Originally Posted by teekay0007 View Post
    How about if they have the SL-2500, as the OP stated? The 2500's were used in the Monitor 10 Series 2 version, the last of the Monitor 10s.

    To the OP - can you post a pic so we can help you be sure of what tweeters your speakers have and can direct you to the right replacements?

    Also, WELCOME to Club Polk! Enjoy the Monitor 10s. They were my first of MANY Polk Audio speakers, purchased about 25 years ago. I still have them and put them to use almost every day - awesome speakers, especially if you have the original stands with them.
    Yeah missed that. Got hung up on the 70s thing. 198s are the correct replacement for the SL2500, but they weren't around in the 70s
    Home Theater/2 Channel:
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    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
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    welcome to the forum. Lots of knowledgable people here. Listen to them and learn a lot. Enjoy the vintage Polks.
    If con is the opposite of pro, is Congress the opposite of Progress?!


    Monitor 5Jr, Monitor 5, RTA12, SDA 2A, 1c, SRS, 1.2TL, Atrium.

  12. #12

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    Quote Originally Posted by westmassguy View Post
    Yeah missed that. Got hung up on the 70s thing. 198s are the correct replacement for the SL2500, but they weren't around in the 70s
    I believe westmassguy is correct. These speakers were definitely bought in the 70s. I believe my Dad had replaced the tweeters once before as my younger brother had this habit of blowing them out. I was looking at specs for the 1990 versions of the monitor series, I believe. Admittedly my knowledge here is seriously limited.

    Again, thanks everyone. This forum is greatly helpful as are the people here.

    --Matt
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    Oh man. Those are piezo super-tweeters from Radio Shack.

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    The correct tweeter is the Peerless. They pop up on eBay, but Midwest Speaker sells a clone, 8 ohm version, which several members have used, and had good results. Faustin, chime in here.
    Home Theater/2 Channel:
    Front: SDA-2ATL http://www.polkaudio.com/forums/show...ished...Almost
    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
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    Quote Originally Posted by OldmanSRS View Post
    Oh man. Those are piezo super-tweeters from Radio Shack.
    I Know, right? They'll get done correctly this time. I'm gonna get them back to pristine condition or as close as possible.

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    Quote Originally Posted by MjEyes View Post
    I believe westmassguy is correct. These speakers were definitely bought in the 70s.
    --Matt
    Looking at the surround gaskets leads me to believe the same. Those (gaskets) weren't used long so yes in agreement Peerless tweeters and Midwest speaker would be a good place to start for new tweeters that for all intent and purposes will be a much better match for those XO's

    http://www.ebay.com/itm/Peerless-Cop...item23026a5c1a

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    You'll also want to check and clean the binding posts, and fuse blocks. Some DeoxIT wouldn't hurt. The fuses should be 3/4 amp AGC Fast-Blow if memory serves.
    Home Theater/2 Channel:
    Front: SDA-2ATL http://www.polkaudio.com/forums/show...ished...Almost
    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
    Pioneer Elite VSX-72TXV, Carver PM-350, SVS PB2-Plus Subwoofer


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  18. #18

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    They certainly could be from the '70s, but if so they're quite late 1970s -- earlier Monitor Series speakers used "SuperVelcro" to hold on the grilles rather than slotted plastic pegs as these do.
    all the best,
    mrh

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    Original Monitor Series Model 10 with "Super Velcro". Note the uncoated paper passive radiator.

    P1020559 by mhardy6647, on Flickr

    (much) later Monitor 5 family member -- with the "Silver Coil" tweeter & the plastic grille pegs.

    Monitor5 by mhardy6647, on Flickr
    all the best,
    mrh

  20. #20

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    I have 2 peerless for sale...one is on ebay now the other has not been listed yet
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  21. #21

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    I hope you do restore them to their original glory.

  22. #22

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    Quote Originally Posted by westmassguy View Post
    The correct tweeter is the Peerless. They pop up on eBay, but Midwest Speaker sells a clone, 8 ohm version, which several members have used, and had good results. Faustin, chime in here.
    I have used the Midwest Peerless clones in a variety of vintage Polks...5a, 10a, 4a, RTA12c. I honestly cannot hear a difference between the original Peerless and the clones. I just got my Adcom 555 amp back from servicing and a new Marantz cd player and will be spending some time comparing RDO-194, Peerless and the clones in the RTA12's to try to come up with a good comparison. If you can find a nice pair of Peerless for the 10's....go for it. You will then have the driver compliment as Polk intended. Then for the mods....

  23. #23

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    Quote Originally Posted by Faustin View Post
    I have used the Midwest Peerless clones in a variety of vintage Polks...5a, 10a, 4a, RTA12c. I honestly cannot hear a difference between the original Peerless and the clones. I just got my Adcom 555 amp back from servicing and a new Marantz cd player and will be spending some time comparing RDO-194, Peerless and the clones in the RTA12's to try to come up with a good comparison. If you can find a nice pair of Peerless for the 10's....go for it. You will then have the driver compliment as Polk intended. Then for the mods....
    To the OP, he know of what he speaks...
    Home Theater/2 Channel:
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    Center: Custom http://www.polkaudio.com/forums/show...hannel-Project
    Surrounds & Rears: Custom http://www.polkaudio.com/forums/show...rround-Project
    Sonicaps, Mills, RDO-194s-198s, Dynamat, H-Nuts, BH5
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  24. #24

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    Nice. I love my 10's. Those look more like later model 10's. I don't recall which I have but I know mine were bought in the late 80's. '88 or 89 IIRC and those look a lot like them.

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    Yes The monitor 10's sound awesome,after reading this post I got mine out to listen to them,have the original model 10's with the super velcro fronts,good luck with the restore

  26. #26

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    Quote Originally Posted by mhardy6647 View Post
    (much) later Monitor 5 family member -- with the "Silver Coil" tweeter & the plastic grille pegs.

    Monitor5 by mhardy6647, on Flickr
    Wow looks so different from my '79 Vintage Monitor 5s...awesome little speakers.

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  27. #27

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    Quote Originally Posted by mhardy6647 View Post
    They certainly could be from the '70s, but if so they're quite late 1970s -- earlier Monitor Series speakers used "SuperVelcro" to hold on the grilles rather than slotted plastic pegs as these do.
    Yeah, 1978 to be exact. I remember my Dad buying them and carrying them to his car.

  28. #28

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    Quote Originally Posted by bugsnt View Post
    I hope you do restore them to their original glory.
    I've been working twelve hour shifts at night so my ability to post responses has been non-existant for the most part. However, I did get the new tweeters, installed them & they sound fantastic. Everyone here has been terrific, I couldn't have done it without your knowledge and enthusiasm. Thank you all.

    -- Matt

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    Great, did you find some originals, or did you go with something else?
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