I am looking to upgrade crossovers. Does anyone have the schematics?

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musicmorsels
musicmorsels Posts: 7
in DIY, Mods & Tweaks
I am new here. I am hoping that someone might have the schematics for the rti8, csia6, and rtia3. I purchased spare crossovers to practice on as I am not well versed in doing this type of work. Been reading a lot and admiring the work people have posted online. Just hoping for some guidance in this learning experience. Thank you.
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  • F1nut
    F1nut Posts: 49,804
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    None of those schematics are available from Polk. I do have a hand drawn one for the CSiA6. For the others remove a crossover, all the values are printed on the components.

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  • musicmorsels
    musicmorsels Posts: 7
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    Thank you. Anything helps. Do you have suggestions on components? I have read articles on types of resistors (Mills seems to be a safe bet), capacitors (Clarity, Sonicap), air core versus iron core. Equipment being used: Marantz 8802a paired with Parasound 855a/1000a. Second setup: Denon avrx4200 paired with Parasound 275v2.
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  • pitdogg2
    pitdogg2 Posts: 24,582
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    Personally I'd just do caps and resistors. Unless they got fried inductors do not go bad.
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  • gp4jesus
    gp4jesus Posts: 1,969
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    I agree w/F1nut.

    you don’t need the schematics but this for RTi A3 could not hurt to have:
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    I recall receiving one for the CSI A6 but that will take some time to locate.
    Samsung 60" UN60ES6100 LED Outlaw Audio 976 Pre/Pro Samsung BDP, Amazon Firestick, Phillips CD Changer Canare 14 ga - LCR tweeters inside*; Ctr Ch outside BJC 10 ga - LCR mids, inside* & out 8 ga Powerline: LR woofers, inside* & out *soldered LR: Tri-amped RTi A7 w/Rotels. Woofers - 980BX; Tweets & “Plugged*” Mids - 981, connected w/MP Premiere ICs Ctr Ch: Rotel RB981 -> Bi-amped CSi A6 Surrounds: Premiere ICs ->Rotel 981 -> AR 12 ga -> RTi A3. 5 Subs: Sunfire True SW Signature -> LFE & Ctr Ch; 4 Audio Pro Evidence @ the “Corners”. Power Conditioning & Distribution: 4 dedicated 20A feeds; APC H15; 5 Furman Miniport 20s *Xschop's handy work
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  • musicmorsels
    musicmorsels Posts: 7
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    Thanks all for the replies.
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