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  1. #121

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    f1.. also another question...

    Are the passive radiators for front and back tuned for different frequencies? I just realised that when I took them off I didnt note down which one goes where thinking they are exactly the same....

    regards
    m

  2. #122

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    Quote Originally Posted by rx7rotary View Post
    f1.. also another question...

    Are the passive radiators for front and back tuned for different frequencies? I just realised that when I took them off I didnt note down which one goes where thinking they are exactly the same....

    regards
    m

    yes they are tuned differently. Someone please chime in on which one goes where. On another note unlike SDA's that like to be closer to the walls the RTA's need more room away from the wall to help the bass coming from the rear woofer.
    My.02

  3. #123

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    If you don't get an answer, I'll email the designer to see if he remembers.
    Stan
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade)
    Parasound: C/PT-600, HCA-800II; Denon: DVD-2910, DRM-800A; Monster HTS3600-MKII, Grado SR-225i

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    Other stuff:
    Denon: DRA-835R, DRA-825R, DCD-660, DRM-700A, DRR-780; Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S8, Monitor 5A, TSi100; Pioneer CT-6R, PL-530; Onkyo CP-1046F; Ortofon OM5E, Marantz PM5004, CD5004

  4. #124

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    Quote Originally Posted by rx7rotary View Post
    -------------

    Hi f1Nut, thanks for this... it is actually a very correct way too. I was going to use lacquer possibly at the end, but would not like the glossy finish, have you got any other ideas, so that the finish doesnt become glossy looking. Best Regards.
    m
    Lacquer comes in different sheens straight out of the can, but it really doesn't matter because you have to rub out the finish in order for it to look right. For example, I can spray dead flat lacquer and still be able to turn it into a high gloss sheen by the rubbing out process followed by polishing compounds. The only exception is when the desired sheen is dead flat, you cannot get that any other way than spraying dead flat lacquer.

    Any time you see a cheap looking lacquer finish it's because it wasn't rubbed out. The rubbing out process is what most folks don't seem to understand or think is required.
    '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 turd by the clean end."

  5. #125

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    Quote Originally Posted by skrol View Post
    If you don't get an answer, I'll email the designer to see if he remembers.
    Stan
    Thanks mate, yes couldn't work it out... so there are two with the "flat dust cap" that sticks out slightly more than the other ones... I think these go in the front...

    Also the sl3000 tweeter... doesn't have + and - marked, do you guys know if it is the smaller or the larger terminal for plus?

    Regards
    Mark

  6. #126

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    Quote Originally Posted by rx7rotary View Post
    Thanks mate, yes couldn't work it out... so there are two with the "flat dust cap" that sticks out slightly more than the other ones... I think these go in the front...

    Also the sl3000 tweeter... doesn't have + and - marked, do you guys know if it is the smaller or the larger terminal for plus?

    Regards
    Mark
    ok got info:

    The Black wire with the narrow Faston connector is the positive wire.

    The white wire with the wider Faston connector is the negative wire.

    The passive radiator with the smaller mass loaded dust cap is installed on the front baffle just below the bottom 6.5 inch driver.

    The heavier mass loaded passive radiator is installed on the back of the cabinet.

  7. #127

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    Default finished product:)

    here we go finished speakers. Next is tweeters, then, xover upgrade.


    Click image for larger version

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  8. #128

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    I have the same speakers with the RDO's and the crossover upgrades done to them. The sound amazing! Nice looking pair of 15's!

  9. #129

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    Hey All,

    Quick question for Decato or anyone else who may know. Can I use 3 X 3.3UF caps for the 10Uf Cap in this crossover? Is the 0.1uf going to make any audible difference in this crossover configuration? I found a good deal on older Clarity Caps, but 10Uf's were not available. Thanks for your help. Awesome thread. The knowledge here is incredible!

  10. #130

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    You'll be fine.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche

  11. #131

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    Agreed. No problems there.

    Have fun. Let me know how your modifications turn out.

  12. #132

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    Face and Decato - Thank You : )

    I will post up my X-Over once it's done!

  13. #133

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    "Decato"Brian, I'm new to the site and found this string on the TLs while Searching for replacement SL3000. I purchased my 15"T"s back In 91 and had tweeter issues almost from day one. I am very interested in XO/RDO198-1 upgrade but am abit lost navigating my way around a Crossover board. Have you by any chance published your upgrade in a "Crossovers For dummies" format. With that I mean step-by-step instruction. Have no problem soldering if I know what I'm soldering...thanks

  14. #134

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    No, I'm sorry. I posted everything I have online. There are very few parts for the RTA 15TL, so it should be pretty easy to figure out which components to replace. All the originals parts except the inductors are labeled. Feel free to email me (check my profile) if you have additional questions, or perhaps someone else from the forum can offer assistance.

  15. #135

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    Flynmonkey,

    scroll here and you will find the schematic...

    http://www.polkaudio.com/forums/show...ELS-except-SDA

    The RTA15TL board only has like 3 capacitors, 1 resistor, a polyswitch and the inductors. Pull the binding post cup and the XO should come out with it. You should be able to figure out the labels of the parts on the board by referencing the schematic. If not, snap a picture, and post in the forum and someone will figure it out.

    You just desolder the the capacitors, resisitors, and PS (if you choose) and solder the new parts in.

    The RDO-198 is a drop in replacement and can be done without the XO upgrade.

  16. #136

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    doing the passive swap...what about the SW101's that were used in the m7/m10's to use in the fronts and use the sw100's to the rear like you did ?
    Last edited by B.A.; 04-23-2012 at 02:20 PM.

  17. #137

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    Quote Originally Posted by B.A. View Post
    doing the passive swap...what about the SW101's that were used in the m7/m10's to use in the fronts and use the sw100's to the rear like you did ?
    Sorry, I just saw your post. There's no need to worry about swapping the passive radiators. I ultimately reinstalled the originals. Feel free to experiment, if you like, and let us know your impressions.

  18. #138

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    WOW!

    I just picked up a pair of RTA 15TLs, and a quick search pulled up this wealth of information. I read the comments about blown SL-3000 tweeters, and yes, mine does have a blown tweeter. I was going to try and source another one, but looking at this page, I might have to bite the bullet and order the replacements from Polk.

    I also like the idea of upgrading the crossovers. I have a pair of JBL L100s that have the most basic crossovers you ever did see (just 2 caps and 2 L-pads). I replaced them with an upgraded design, but also added some switches so I could switch back to the original ones (albeit with replacement caps). If any of you are on AudioKarma, you can see these speakers by searching for threads started by "leesonic". I wonder if I could do the same with these RTAs...?

    I'm looking forward to working on these speakers. Having just sold our house though, space is VERY limited where we are staying right now.

    Lee.

  19. #139

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    So after reading through literally every post in this thread (and discovering that the 15TLs I bought have a blown SL3000 and that the owner wasn't entirely honest when he said "The xovers have VR3 upgrades done to them"...they are upgraded (with newer electrolytics) but it is a hack job and not pretty at all.), I have decided to do the xover mods myself.

    It is very likely that I will scrap the stock pcb and use breadboard and wires ala VR3 but with the suggested parts list from the second iteration here.

    I have already ordered everything and also had them throw in some hurricane nuts and new gasket material so I can do those things while I have them apart. Sticking with the Solen caps and Mills resistors but am hand winding the 1.75mh 16awg inductor and using a Madisound 0.22mh 19awg.

    Ordered the 198s from Helen at Polk CS.

    I verified all the other drivers were working as they should.

    I don't know if I will be using a plug like above.

    Would re-wiring make any difference? I have spools of good quality wire but wasn't sure if it would truly make an audible difference.
    That will determine if I use a plug or not.

    So all the parts are on the way. The cabinets are stripped down and my wife is pissed because our office looks like a speaker spare parts graveyard.

    I will begin to post pictures and progress once I get everything here and start putting stuff together.
    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

  20. #140

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    Last of the parts arrived today...



    Looks like speaker and audio rack weekend for me. The wife wanted to do something fun so I bought her a soldering iron. She has only stabbed me with it 4 times so far.
    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

  21. #141

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    Why does everyone have the same table as me????

    Have fun!

  22. #142

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    Can you post pictures of these "Vr3 modifications?" I have only upgraded three sets of RTA15TL and sold one DIY kit and they are all Clarity Cap ESA/PX/Solen type parts. Not to mention all of my RTA15TL use the "Decato Mod" anyways... never have done one without doing it.

    This concerns me and I would also like to know who you bought these speakers from and I would like to contact them directly.

    Thanks
    Last edited by VR3; 02-06-2013 at 02:48 AM.
    www.Vr3Mods.com ///// www.Version3Audio.com

    "No, that's silly talk. Dude, you can't possibly be this audio dumb so quit the act." - Doro

  23. #143

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    Looks like it's time to sue someone Trey!

  24. #144

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    OH Boy somebody's about to have some fun!!! Hopefully the wife had it plugged in and on when stabbing a lot less blood she would have to clean up

  25. #145

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    Quote Originally Posted by pitdogg2 View Post
    OH Boy somebody's about to have some fun!!! Hopefully the wife had it plugged in and on when stabbing a lot less blood she would have to clean up
    Definitely a +1 on the cauterizing. I have been stabbed a few times with a hot TIG torch. WAY WAY better when its hot! LOL.

  26. #146

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    Trey, hope the information in my PMs helped. I seriously doubt the guy was doing anything more than trying to use it as a selling point. As I said, I knew right away it wasn't your work or even your kit.

    As for my upgrade, I am using your stacked layout simply for the cleaner, easier to access each side of the xover part. Everything else I am using was publically displayed here in this thread. I hope this isn't an issue for you.
    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

  27. #147

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    So it sounds like you guys are pleased with how the crossover modifications improve the sound. I like the RTA 15TLs too, and I still have the pair I modified back in early 2007.

    VR3, how much do you charge to redo a pair of crossovers with my mods?

    By the way, I just finished cleaning up the sound of Monitor 5jr+ Series 2 with a complete redesign of the crossover, now tailored to suit the RD0198-1 tweeter. What a great little speaker it is. It no longer has colored, stuffy mids, but still retains the best attributes of the classic Polk sound!

    Cheers,
    Brian

  28. #148

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    Got the old crossovers pulled today but it was a day filled with other projects. Like reassembling my freshly refinished Klipsch KG 3.2s.
    Also made 5 cutting boards this weekend and finished assembling my audio racks.

    Hopefully, I will be able to focus on them on evenings this week.
    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

  29. #149

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    Got one done...ugly but it works...


    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

  30. #150

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    Initial impressions...Wow. Just wow.
    I will do a full write up in a separate post but the upgrades have made a pretty significant difference.
    Thanks Brian.
    "Unwad those panties and have a good time man. We're all here to help each other, no matter how it might appear." DSkip
    I may have an addiction... RTA-15TL, SDA 2, LSi25, LSi15, LSi9, LSi7, LSiCx2, LSiFX, LS/FX, RT/FX, DSW MP2000...and that's just the Polks...

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