Polk Audio CRS + (RDO198) Crossover Modification Thread

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  • ptrooper
    ptrooper Posts: 800
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    I contemplated only cutting holes for the internal connections leaving finger room to unclip but by the time i did the drawing template i really didnt cut out that much more than what was needed.
    I have had drammas with overlapping materials with my SRS and more seals or glue would have most likely been needed between them.
    The plates that the crossovers are attached too are extremely solid and well braced .I added a little dynomatt internally where possible(3 square "s max ech".
    It reminds me of the SDA SRS-1.2 plate.

    I wouldn't add braces to the front bezel but if it was originally braced i would definately check and add extra glue,re glueing my braces and Larry's rings in my 2 X SRS'S in my theatre lowered my noise floor and added more depth and air.

    SDA CRS 4.1 TL 20 hrs in and they sound amazing.
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • ptrooper
    ptrooper Posts: 800
    edited August 2018
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    500 hrs and counting down
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • Mike Reeter
    Mike Reeter Posts: 4,315
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    Extremely nice work by everybody involved in this Awesome Project, wish I could have a seat in the Sweet Spot!
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  • ptrooper
    ptrooper Posts: 800
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    I highly recommend Dave and Trey's handy work and lets not forget of all the shared knowledge through this great site which i have been stalking for many moons now.

    what can i say.......24 hrs playing and triple wowsa ,i am so surprised ,these little monsters are already surpassing my expectations ..... <3
    burn in with a little sunfire 17" 5 x 225 channel, mitt cvt terminator 1's to current top end and voltage to lower end via transparent reference mm fed by a little sonos connect ,i guees i should hit 500 hrs in 20 more days :p then oppo105D modded by Mr Joe Rasmussen takes over dac duty .

    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • ptrooper
    ptrooper Posts: 800
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    ohhh,i forgot to also thank Larry,who within a nites notice supplied the last remaining set of rings he had for my CRS when i asked in the forum around 7 months ago.
    Thank you Larry ,i would never build a set of polks with out your rings, these put them up on another level instantly!
    cheers Mate
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    Glad to hear they are opening up nicely.

    Ive been very impressed with the cmr... Same level of detail of the Mr but a hint warmer
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • ptrooper
    ptrooper Posts: 800
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    Thanks mate, all fun , It was just some harmless banta and Your absolutely correct ,It was a hard decision cutting them out , im glad I did they were a little Fidely installing the washers ,nut and locking nut ,not much room within these little babies but I can certainly say they gained a little weight
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    Sean did a great job on the install.

    Larry if your comment is towards me, feel free to PM me.
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • VR3
    VR3 Posts: 29,756
    edited August 2018
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    Yep thought so to lol
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • ptrooper
    ptrooper Posts: 800
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    love the pic
    Toolfan66 wrote: »
    4w862wn1c3p7.jpeg

    I have to say that was a ballsy mod cutting that hole in the cabinets, they look awesome, and there is no copyright on my speaker stands, or rings for that matter, if one has the means to build them, build them!! I’m not one to get **** because someone copied an idea, it’s a hobby, and these speakers are how old? 30 years?

    The stands look great, along with the crossovers, I love the braided speaker cables..

    Enjoy..

    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • ptrooper
    ptrooper Posts: 800
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    in case any one is wondering...the circles are the bare minimum needed to have installed thesee7kwcbalwb35.jpg
    xovers
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    Those bad boys do take some. Real estate
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • ptrooper
    ptrooper Posts: 800
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    They sound incredible thanks Trey....I'd do it all over again no problem!
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • xschop
    xschop Posts: 5,897
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    Try flipping the passive if you think you may have lost a some internal volume with your new mods.
    Don't take experimental gene therapies from known eugenicists.
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  • ptrooper
    ptrooper Posts: 800
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    350 hours and all positive , cheers. Thanks for the tip
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    How's it sounding Sean
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • ptrooper
    ptrooper Posts: 800
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    No complaints here. Must be 600 hrs in and my wife and self cant help notice how the notes just really sound really so natural. Thanks again Trey. ❤️
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • ptrooper
    ptrooper Posts: 800
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    To be quite honest Trey,theres not a song that goes by where my attention isn't drawn to how pleasing they sound.
    I have been playing them quit allot recently for background listening and i love the fact that i can still feel them. ..... I Likem allot : ) they'r keepers.

    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    That's awesome. Sometimes smaller speakers are easier to dial in to the room

    Glad to hear 😊
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • DarqueKnight
    DarqueKnight Posts: 6,765
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    Toolfan66 wrote: »
    VR3 wrote: »
    That's awesome. Sometimes smaller speakers are easier to dial in to the room

    Glad to hear 😊

    Agreed, there are things my CRS+’s do that I wish my 1.2tl’s did in my room..

    Like what?
    Proud and loyal citizen of the Digital Domain and Solid State Country!
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  • honestaquarian
    honestaquarian Posts: 3,275
    edited December 2018
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    Sean @ptrooper How are the CRS's doing?
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  • ptrooper
    ptrooper Posts: 800
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    gidday@honestaquarian The CRS's and SRS's in the theatre room just keep getting better with every upgrade i put in front of them : )

    Thanks Trey
    And Merry Xmas .
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • VR3
    VR3 Posts: 29,756
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    Glad to hear they are rocking out!

    Merry Christmas guys!
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • drumminman
    drumminman Posts: 3,396
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    That looks sweet. Very creative Trey! Bet it sounds good too.
    "Science is suppose to explain observations not dismiss them as impossible" - Norm on AA; 2.3TL's w/sonicaps/mills/jantzen inductors, Gimpod's boards, Lg Solen SDA inductors, RD-0198's, MW's dynamatted, Armaflex speaker gaskets, H-nuts, brass spikes, Cardas CCGR BP's, upgraded IC Cable, Black Hole Damping Sheet strips, interior of cabinets sealed with Loctite Power Grab, AI-1 interface with 1000VA A-L transformer
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  • VR3
    VR3 Posts: 29,756
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    Thank you sir! 😊
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • VR3
    VR3 Posts: 29,756
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    He's alive!! And not banned!

    Haha
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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  • ptrooper
    ptrooper Posts: 800
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    Finally put the MITavt1 biwires back in after using my home made weaved ones......winner....Mit hands down.Absoulutely no comparison.
    VR3 SDA SRS 1.2TL Duelund Monoliths+VR31000va Dreadnaught +VR3 MM2 SDA cable, <3 ,Lumin u2x ,<-sfp fibre <-LHYas8 Pro+ Switch,Transparent Reference MM2 xlr,power and speaker cables.FTA Sinope SE usb.40 Amp power line for amp with earth stake&Faraday shield ,20 Amp power line for digital equipment ->shunyata 8 venom power board...Working on it!
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  • honestaquarian
    honestaquarian Posts: 3,275
    edited March 2019
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    Gday Sean @ptrooper
    As they say here in the forum. Pics or it never happened ;):D
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  • VR3
    VR3 Posts: 29,756
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    Good stuff,
    - Not Tom ::::::: Any system can play Diana Krall. Only the best can play Limp Bizkit.
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