POLK AUDIO - Speaker Parts List

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zingo
zingo Posts: 11,258
edited March 2016 in DIY, Mods & Tweaks
***PLEASE DO NOT POST IN THIS THREAD***WORK IN PROGRESS***

DISCLAIMER: Here are parts lists for the most commonly modified Polk speakers. Treat these lists as a guide, not as scripture as there were many transitional and variant Polk speakers sold. The list is for a single speaker; double the parts if you are modifying both speakers. Also, only capacitor, resistor, and inductor parts are listed. Polyswitches and bypass capacitors have been omitted due to the fact that they are usually not replaced when modifying or upgraded most classic Polk speakers; even though inductors usually are as well. Please double check all parts lists and schematics against your actual speakers before you order parts or start modifications.

If you have any questions or comments, or would like to request a parts list be added, email me at zcables@gmail.com.
Jake
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  • zingo
    zingo Posts: 11,258
    edited September 2008
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    Monitor 5 Jr
    12uF capacitor
    1 ohm resistor
    .19mH inductor
    .56mH inductor


    Monitor 5 Jr+
    13.5uF capacitor
    1 ohm resistor
    .19mH inductor
    .56mH inductor


    Monitor 5B
    12uF capacitor
    34uF capacitor
    2 ohm resistor
    .23mH inductor
    1.55mH inductor


    Monitor 7
    8uF capacitor
    12uF capacitor
    27uF capacitor
    2.7 ohm resistor
    .22mH inductor
    1.75mH inductor


    Monitor 10
    12uF capacitor
    12uF capacitor
    34uF capacitor
    2 ohm resistor
    2.7 ohm resistor
    .4mH inductor
    1.55 inductor


    Monitor 12
    4.2uF capacitor
    12uF capacitor
    12uF capacitor
    16.4uF capacitor
    2 ohm resistor
    .25mH inductor
    3mH inductor
    Jake
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  • zingo
    zingo Posts: 11,258
    edited September 2008
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    RTA 8TL
    12uF capacitor
    16uF capacitor
    34uF capacitor
    2 ohm resistor
    .4mH inductor
    1.55mH inductor


    RTA 11TL
    12uF capacitor
    16uF capacitor
    34uF capacitor
    1.5 ohm resistor
    .3mH inductor
    1.55mH inductor


    RTA 12B
    4.4uF capacitor
    4.4uF capacitor
    27uF capacitor
    27uF capacitor
    27uF capacitor
    27uF capacitor
    55uF capacitor
    7.5 ohm resistor
    .58mH inductor
    .61mH inductor
    1.55mH inductor
    2.7mH inductor
    3.2mH inductor


    RTA 15TL
    12uF capacitor
    12uF capacitor
    20uF capacitor
    2 ohm resistor
    .4mH inductor
    1.75mH inductor
    Jake
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  • zingo
    zingo Posts: 11,258
    edited September 2008
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    SDA 1
    .5uF capacitor
    12uF capacitor
    13uF capacitor
    13uF capacitor
    27uF capacitor
    27uF capacitor
    55uF capacitor
    130uF capacitor
    2.7 ohm resistor
    2.7 ohm resistor
    4 ohm resistor
    4 ohm resistor
    7.5 ohm resistor
    7.5 ohm resistor
    .4mH inductor
    .4mH inductor
    1.82mH inductor
    1.82mH inductor
    5.6mH inductor


    SDA 1A
    .5uF capacitor
    12uF capacitor
    13uF capacitor
    27uF capacitor
    27uF capacitor
    2.7 ohm resistor
    2.7 ohm resistor
    3.5 ohm resistor
    3.5 ohm resistor
    .4mH inductor
    .4mH inductor
    1.82mH inductor
    1.82mH inductor
    5.6mH inductor


    SDA 2
    .5uF capacitor
    12uF capacitor
    12uF capacitor
    27uF capacitor
    27uF capacitor
    2.7 ohm resistor
    2.7 ohm resistor
    3.5 ohm resistor
    3.5 ohm resistor
    .4mH inductor
    .4mH inductor
    1.82mH inductor
    1.82mH inductor
    11.2mH inductor


    SDA CRS
    .5uF capacitor
    12uF capacitor
    12uF capacitor
    20uF capacitor
    20uF capacitor
    27uF capacitor
    27uF capacitor
    2.7 ohm resistor
    2.7 ohm resistor
    5.6 ohm resistor
    7 ohm resistor
    .4mH inductor
    .4mH inductor
    2.75mH inductor
    2.75mH inductor


    SDA CRS+
    12uF capacitor
    20uF capacitor
    40uF capacitor
    2.7 ohm resistor
    .4mH inductor
    1.25mH inductor
    2.5mH inductor
    16mH inductor


    SDA 2A
    12uF capacitor
    20uF capacitor
    130uF capacitor
    130uF capacitor
    2.7 ohm resistor
    2.7 ohm resistor
    .4mH inductor
    2.5mH inductor
    2.75mH inductor
    5.6mH inductor


    SDA 2B
    12uF capacitor
    20uF capacitor
    40uF capacitor
    2.7 ohm resistor
    .4mH inductor
    1.25mH inductor
    2.5mH inductor
    16mH inductor


    SDA 1B
    4.4uF capacitor
    12uF capacitor
    34uF capacitor
    34uF capacitor
    65uF capacitor
    130uF capacitor
    2 ohm resistor
    2.7 ohm resistor
    2.7 ohm resistor
    2.7 ohm resistor
    .4mH inductor
    .4mH inductor
    1.2mH inductor
    1.2mH inductor
    9.6mH inductor


    SDA 1C
    4.4uF capacitor
    12uF capacitor
    20uF capacitor
    40uF capacitor
    2.7 ohm resistor
    7.5 ohm resistor
    7.5 ohm resistor
    .13mH inductor
    .4mH inductor
    .4mH inductor
    1.25mH inductor
    2.5mH inductor
    16mH inductor


    SDA SRS
    12uF capacitor
    20uF capacitor
    20uF capacitor
    92uF capacitor
    130uF capacitor
    130uF capacitor
    2.7 ohm resistor
    7.5 ohm resistor
    15 ohm resistor
    22.5 ohm resistor
    22.5 ohm resistor
    .4mH inductor
    .4mH inductor
    .7mH inductor
    2.75mH inductor
    2.75mH inductor
    4.4mH inductor
    16mH inductor


    SDA SRS 2
    4.4uF capacitor
    12uF capacitor
    20uF capacitor
    40uF capacitor
    2.7 ohm resistor
    7.5 ohm resistor
    7.5 ohm resistor
    .15mH inductor
    .4mH inductor
    .4mH inductor
    1.25mH inductor
    2.5mH inductor
    9.6mH inductor


    SDA SRS 3.1TL
    12uF capacitor
    12uF capacitor
    24uF capacitor
    55uF inductor
    1.3 ohm resistor
    .3mH inductor
    1mH inductor
    1.25mH inductor
    18mH inductor


    SDA SRS 2.3TL
    5.8uF capacitor
    8uF capacitor
    16uF capacitor
    18uF capacitor
    27uF capacitor
    22.5 ohm resistor
    22.5 ohm resistor
    .3mH inductor
    .4mH inductor
    .875mH inductor
    1.75mH inductor
    16mH inductor


    SDA SRS 1.2TL
    .25uF capacitor
    12uF capacitor
    12uF capacitor
    12uF capacitor
    13.5uF capacitor
    27uF capacitor
    2.7 ohm resistor
    7.5 ohm resistor
    11.5 ohm resistor
    15 ohm resistor
    22.5 ohm resistor
    .4mH inductor
    .4mH inductor
    .7mH inductor
    1mH inductor
    2mH inductor
    16mH inductor
    Jake
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  • sinivision
    sinivision Posts: 29
    edited April 2009
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    Wow that's a crazy list.
    Joe Sinicropi
    818.726.0494 cell
    818.981.1127 office
    www.sinivision.com
    joe@sinivision.com


    Video Photography Production & Editing
    Photo, Video Retouching & Restoration
    NAPP Photoshop Expert
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  • cnh
    cnh Posts: 13,284
    edited April 2009
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    Thanks for the list, that's great info...

    The question now is some of those parts have MUCH greater LONGEVITY than others? So if you're running some of these 15-20+ year old speakers? Which of those parts would you need to replace first and which probably last, almost 'forever'?

    cnh
    Currently orbiting Bowie's Blackstar.!

    Polk Lsi-7s, Def Tech 8" sub, HK 3490, HK HD 990 (CDP/DAC), AKG Q701s
    [sig. changed on a monthly basis as I rotate in and out of my stash]
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  • gp4jesus
    gp4jesus Posts: 1,969
    edited January 2010
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    Very interested in RTi A5*, CSi A6* & A1 mods. Also interested A3**s, & if you think its worth it FXi A4** or FXi A6**
    *Own
    ** May own; still deciding

    thanks tony
    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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  • ALL212
    ALL212 Posts: 1,556
    edited January 2010
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    RTi 6
    12uf capacitor
    .47uf capacitor
    7.5uf capacitor
    2.5 ohm resistor
    5.5 ohm resistor


    RTi 4
    22uf capacitor
    .47uf capacitor
    9.3uf capacitor
    3 ohm resistor
    3.3 ohm resistor
    Aaron
    Enabler Extraordinaire
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  • shaloo.want
    shaloo.want Posts: 1
    edited March 2010
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    It seems to me different type of post,actually i was surfing net and came here. find this post different one!Well someone who dont know about it may get interesting type of information from this post…good sharing of ideas
    Shaloo
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  • darkhaze
    darkhaze Posts: 1
    edited March 2010
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    i am new to this but would like to try and rebuild a pair of 7c monitors i have. is there any particular brand name to use? i see prices vary on these parts.
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  • mrviper100
    mrviper100 Posts: 8
    edited April 2010
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    The specs above are for a Monitor 7 series2, not the Monitor 7C. See below URL for Monitor 7C and earlier which only have two caps.

    http://www.polkaudio.com/forums/showthread.php?t=38755
    schematic_m7_orig.pdf
    Thanks,
    Pat in Chicago Land

    Mains - Polk Audio Monitor 70's
    Center - Polk Audio CS2
    Side/Rear Surrounds - Polk Audio RM101's
    Sub - Polk Audio PSW111
    Back ups - Polk Audio Vintage Monitor 7c's
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  • casemods
    casemods Posts: 2
    edited March 2011
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    Looking for the tweeter in the DB561's to replace it if you know the tweeter part.
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  • mr bivens
    mr bivens Posts: 11
    edited May 2011
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    CS2 series II

    10u cap
    8.2u cap
    0.2 mH inductor
    0.8mH inductor
    5.7 ohm resistor (5W)
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  • jcg85@yahoo.com
    jcg85@yahoo.com Posts: 24
    edited June 2011
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    Does somebody has the components for the CSi3???
    TIA
    JC
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  • Tungx2
    Tungx2 Posts: 58
    edited July 2011
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    gp4jesus wrote: »
    Very interested in RTi A5*, CSi A6* & A1 mods. Also interested A3**s, & if you think its worth it FXi A4** or FXi A6**
    *Own
    ** May own; still deciding

    thanks tony


    +1 on CSi A6, not sure what is the middle yellow component is...
    it reads 0.47J100V Met

    I assume it's a capacitor??

    Other components for stock CSIA6 is:
    5W2RJ (2 ohm resistor at 5W)
    5W3R3J (3.3 ohm resistor at 5W)
    82UF / 50v BP
    8.2UF / 50V BP
    12UF / 50 V BP
    TV.......................Samsung 46" LCD LN46A550
    A/V Receiver.........Yamaha RX-V3900
    Amplifier.............. Emotiva XPA-1 Gen 2 for fronts, XPA-3 Gen 2 for center and Surrounds.
    BluRay Player.........Sony PS3
    Fronts...................RTia9 (modded)
    Center.............. ...CSiA6 (modded)
    Surrounds.............Empty for now. But waiting for a Fxi A6 deal on polk ebay.
    Rear Surrounds.... Deciding if front presence is the way to go instead.
    Sub..................... SVS PB12-plus/2
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  • HTguru1982
    HTguru1982 Posts: 1,066
    edited August 2011
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    Are the parts for the RTA-12C's the same as the 12B's that are already listed above? I want to upgrade the crossovers on my 12's and want to make sure I have the right caps/resistors.

    Thanks!
    Display: Sony 42" LCD
    Sources: Harman Kardon DVD-27,
    Panasonic DMP-BDT110 blu ray player
    AVR: Sony STR-DA2400ES
    Amps: Sonance Sonamp 260(fronts),
    Kenwood KM-894(surrounds)
    Fronts: NHT 2.5
    Center: NHT VS-1.2A
    Surrounds: NHT Super One
    Subwoofer: SVS PB10-ISD
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  • P00r
    P00r Posts: 6
    edited September 2011
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    Monitor 50 Series II
    Crossover
    8 uF 50V Capacitor (CRAP!)
    9.1 uF 50V Capacitor (CRAP!)
    Res .5R 5W * 2 (Ceramic Wirewound)
    coil 1 is .15mH
    coil 2 is 1mH
    and there's 1 small mica caps that I wasn't able to see the value

    a bit off topics but I have replaced the 2 bipolar cap with those

    CAP 8.0UF 300VAC METAL POLYPRO Digikey pn 495-4140-ND
    CAP 9.0UF 10% 750V METAL POLYPRO pn 495-3024-ND

    (HAD to take this 750v monster since nothing else was stock)

    those are expensive AC (unpolarized) caps that should sound
    better than pico sized electrolytic...

    so far I am quite pleased with the result, they sound MUCH better!

    Here's 2 pic that show how small the bipolar caps are in those filter...

    http://404info.com/Polk_Joke/IMG_20110909_191158.jpg
    http://404info.com/Polk_Joke/IMG_20110909_194445.jpg
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  • drumminman
    drumminman Posts: 3,396
    edited November 2012
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    HTguru1982 wrote: »
    Are the parts for the RTA-12C's the same as the 12B's that are already listed above? I want to upgrade the crossovers on my 12's and want to make sure I have the right caps/resistors.

    Thanks!

    It has been almost two years since I did my 12C's, but I IIRC they are the same. Easy to check the top Xovers, the bottom ones are attached to the interior side of the binding post cup. Remove the 4 screws and pull it out, or remove PR and have a look. Always good to confirm the "official list" with what's actually there.
    "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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  • lilylily608
    lilylily608 Posts: 15
    edited July 2014
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    It seems to me different type of post!
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  • gdphoto
    gdphoto Posts: 182
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    Hi, Just read your post on the Polk forum about the parts list for the different speakers. I am thinking about rebuilding the cross overs in my Monitor 5’s and my 5 Jrs. Do I only need to replace the capacitor, or do I need to replace the resistor and inducers as well? Are there recommended components which would be an upgrade to the originals?

    Thanks for your time.

    Gary
    Hafler DH220 Power amp Recapped
    Hafler DH110 Preamp Recapped
    Hafler Digital FM Tuner
    Virtue Audio M1 Piano CD Player
    Technics SL-1210-MK5 with a Rega Exact Cartridge
    Polk SDA1c's(Rebuilt XO's by Ben) RDO194 Tweeters
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  • agfrost
    agfrost Posts: 2,421
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    Hello Gary,

    Recommend to replace the capacitor(s) (Sonicap used most frequently, perhaps Dayton on a budget) and the resistor (Mills 12-watt). No need to replace inductors.
    If your model has a polyswitch, I believe Polk may send you some replacements free of charge, but not sure about that. Soniccraft.com has a bit of a sale on the Sonicaps (Gen 1) and the Mills. If your speaker has the 34uF cap, the Sonicaps get a bit pricey so some use a 33uF Dayton or Jantzen in this position.

    You will get more action on your question if you start your own new thread, please consider doing so to get more opinions! Click "New Discussion" at upper right of page to make a thread.

    Good luck!

    Jay
    Jay
    SDA 2BTL * Musical Fidelity A5cr amp * Oppo BDP-93 * Modded Adcom GDA-600 DAC * Rythmik F8 (x2)
    Micro Seiki DQ-50 * Hagerman Cornet 2 Phono * A hodgepodge of cabling * Belkin PF60
    Preamp rotation: Krell KSL (SCompRacer recapped) * Manley Shrimp * PS Audio 5.0
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  • Dean_KS
    Dean_KS Posts: 6
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    Series II CS-1 center speaker.

    The main drivers (W):
    iron core inductor is .68 mH[removed & measured]
    13 uF shunt capacitor to 5W 11 ohm resistor to ground

    Tweeter:
    - 8.22 uF (total) series capacitor [8.0 electrolytic and .22uF mylar]
    - 5W 0.5 ohm series resistor
    - air core inductor not measured

    From parts express:
    -- 8.2uF = precision metalized polypropylene film caps [6.8 + 1.0] + .47 uF film and foil

    -- 13uF = standard 5% metalized polypropylene film caps [12uF + 1.0uF]

    --0.68 mH air core inductor

    The two main drivers are in series with each other. These are shielded magnet construction.
    [When will shielded speaker construction stop? No need with flat panel TV's/]

    Internal wiring is very thin.

    PCB etch side PC-2004-01
    Silk screen side CS1 RE1515-1

    Original inductor axis were oriented at 90 degrees to each other as expected.

    Apparent date stamp: 151102
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  • F1nut
    F1nut Posts: 49,805
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    From parts express:
    -- 8.2uF = precision metalized polypropylene film caps [6.8 + 1.0] + .47 uF film and foil

    -- 13uF = standard 5% metalized polypropylene film caps [12uF + 1.0uF]

    It's always best to split the values as evenly as possible. When you combine a large value with a small value, the small value acts as a bypass cap, which are to be avoided at all cost.

    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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