Replacing sl2500 with sl2000

ratpin
ratpin Posts: 85
in Vintage Speakers
I recently found some monitor 5 series II with the sl-2500 tweeter that are damaged. Is it ok to swap in a good sl-2000 tweeter in its place? Are the crossovers close enough to go back and fourth?
Polk: / SDA-CRS / SDA-1C / M-10B / M-7B / M-5 / M-5jr / RTA-11T / LSIM703 / LSIM704 / LSIM706 / RTI8 / CSI3 / CSI5 / RTI4 / RTI-A5 / CSI-A6 / RC80i / RC85i / RC6s / PSW300 / Atrium6 / Atrium4 / About a dozen pair of Atrium45 lol.
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Comments

  • pitdogg2
    pitdogg2 Posts: 25,437
    No!
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  • F1nut
    F1nut Posts: 50,542
    Double no!
    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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  • ratpin
    ratpin Posts: 85
    Hard to argue with your guys’ reasoning.
    Polk: / SDA-CRS / SDA-1C / M-10B / M-7B / M-5 / M-5jr / RTA-11T / LSIM703 / LSIM704 / LSIM706 / RTI8 / CSI3 / CSI5 / RTI4 / RTI-A5 / CSI-A6 / RC80i / RC85i / RC6s / PSW300 / Atrium6 / Atrium4 / About a dozen pair of Atrium45 lol.
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  • CH46E
    CH46E Posts: 3,591
    Yeah man, If both Pitt and F1 say no....
    Well thats a done deal for me.
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  • westmassguy
    westmassguy Posts: 6,850
    The SL2000 has a relatively flat response, except for a resonance peak between 12-13KHz. The SL2500/3000 tweeters do not have that resonance peak, however their overall frequency response falls as the frequency increases. A contour network was installed on most of the models that received the new tweeters, to compensate for this. Since we don't have T/S parameters for any of the older Tweeters, there's no way to predict how they'll react. I would imagine they'd be overly bright with the contour network.
    Home Theater/2 Channel:
    Front: SDA-2ATL forum.polkaudio.com/discussion/143984/my-2as-finally-finished-almost/p1
    Center: Custom Built forum.polkaudio.com/discussion/150760/my-center-channel-project/p1
    Surrounds & Rears: Custom Built forum.polkaudio.com/discussion/151647/my-surround-project/p1
    Sonicaps, Mills, RDO-194s-198s, Dynamat, Hurricane Nuts, Blackhole5
    Pioneer Elite VSX-72TXV, Carver PM-600, SVS PB2-Plus Subwoofer

    dhsspeakerservice.com/
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  • ratpin
    ratpin Posts: 85
    westmassguy wrote: »
    The SL2000 has a relatively flat response, except for a resonance peak between 12-13KHz. The SL2500/3000 tweeters do not have that resonance peak, however their overall frequency response falls as the frequency increases. A contour network was installed on most of the models that received the new tweeters, to compensate for this. Since we don't have T/S parameters for any of the older Tweeters, there's no way to predict how they'll react. I would imagine they'd be overly bright with the contour network.

    Thank you for your concise explanation. I’m more of a “why” than “what” guy.
    Polk: / SDA-CRS / SDA-1C / M-10B / M-7B / M-5 / M-5jr / RTA-11T / LSIM703 / LSIM704 / LSIM706 / RTI8 / CSI3 / CSI5 / RTI4 / RTI-A5 / CSI-A6 / RC80i / RC85i / RC6s / PSW300 / Atrium6 / Atrium4 / About a dozen pair of Atrium45 lol.
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  • skrol
    skrol Posts: 3,375
    edited December 2020
    I'm not sure where I got these, I have so much stuff.
    2x32r9zclq8t.png
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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  • pitdogg2
    pitdogg2 Posts: 25,437
    You da man!
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  • Gardenstater
    Gardenstater Posts: 4,459
    edited December 2020
    That's from DarqueKnight thread The Tale of 5 Tweeters. He later amended that with the SL1000 data when he got ahold of a few of them. The RD0198 would be the replacement for that SL2500.

    m93xf3eend3s.png
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
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  • ratpin
    ratpin Posts: 85
    Great info!
    Polk: / SDA-CRS / SDA-1C / M-10B / M-7B / M-5 / M-5jr / RTA-11T / LSIM703 / LSIM704 / LSIM706 / RTI8 / CSI3 / CSI5 / RTI4 / RTI-A5 / CSI-A6 / RC80i / RC85i / RC6s / PSW300 / Atrium6 / Atrium4 / About a dozen pair of Atrium45 lol.
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  • skrol
    skrol Posts: 3,375
    Cool. Thanks for the update.
    It would be super to add the Peerless too and see how well they match the modern day replacements.
    Stan

    Main 2ch:
    Polk LSi15 (DB840 upgrade), Parasound: P/LD-1100, HCA-1000A; Denon: DVD-2910, DRM-800A; Benchmark DAC1, Monster HTS3600-MKII, Grado SR-225i; Technics SL-J2, Parasound PPH-100.

    HT:
    Marantz SR7010, Polk: RTA11TL (RDO198-1, XO and Damping Upgrades), S4, CS250, PSW110 , Marantz UD5005, Pioneer PL-530, Panasonic TC-P42S60

    Other stuff:
    Denon: DRA-835R, AVR-888, DCD-660, DRM-700A, DRR-780; Polk: S8, Monitor 5A, 5B, TSi100, RM7, PSW10 (DXi104 upgrade); Pioneer: CT-6R; Onkyo CP-1046F; Ortofon OM5E, Marantz: PM5004, CD5004, CDR-615; Parasound C/PT-600, HCA-800ii, Sony CDP-650ESD, Technics SA 5070, B&W DM601
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  • Gardenstater
    Gardenstater Posts: 4,459
    I have found some data on the Peerless and I'll either post it in DarqueKnight's thread or somewhere else.
    George / NJ

    Polk 7B main speakers, std. mods+ (1979, orig owner)
    Martin Logan Dynamo sub w/6ft 14awg Power Cord
    Onkyo A-8017 integrated
    Logitech Squeezebox Touch Streamer w/EDO applet
    iFi nano iDSD DAC
    iPurifier3
    iDefender w/ iPower PS
    Custom Steve Wilson 1m UPOCC Interconnect
    iFi Mercury 0.5m OFHC continuous cast copper USB cable
    Custom Ribbon Speaker Cables, 5ft long, 4N Copper, 14awg, ultra low inductance
    Custom Vibration Isolation Speaker Stands and Sub Platform
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  • pitdogg2
    pitdogg2 Posts: 25,437
    And???
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  • DaveHo
    DaveHo Posts: 3,515
    Odd first post, but no spam link, so Welcome!
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  • F1nut
    F1nut Posts: 50,542
    He was banned years ago, total nut job.
    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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  • xschop
    xschop Posts: 5,000
    You have to be a little nutty to return here.
    Don't take experimental gene therapies from known eugenicists.
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  • TennMan
    TennMan Posts: 1,266
    That sl2000 should have been mounted up on the dash so it would be at ear level. Would get better SDA sound that way. :)
    • SDA 2BTL · Sonicaps · Mills resistors · RDO-198s · New gaskets · H-nuts · Erse inductors · BH5 · Dynamat
    • Crossover upgrades by westmassguy
    • Marantz 1504 AVR (front speaker pre-outs to Adcom 555)
    • Adcom GFA-555 amp · Upgrades & speaker protection added by OldmanSRS
    • Pioneer DV-610AV DVD/CD player
    • SDA CRS+ · Hidden away in the closet
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  • xschop
    xschop Posts: 5,000
    Or to drown out the busted exhaust, knocking rods, and squeaky brakes.
    Don't take experimental gene therapies from known eugenicists.
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  • pitdogg2
    pitdogg2 Posts: 25,437
    F1nut wrote: »
    He was banned years ago, total nut job.

    One of the things I really liked about the old vbullet platform is it had a page of alphabetical letters. you could go from A to z and look at all the names that ever signed up on this platform. I have not found a way to do that on the new vanilla platform

    And yes I remembered cornhole from back then..
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  • pitdogg2
    pitdogg2 Posts: 25,437
    Tubes Rule!!
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  • Mystery
    Mystery Posts: 2,546
    SL1000 = 1.334
    SL2000 = 1.289
    Maybe these two are more swappable except for the 5db bump.

    Klipsch RB81, KG3.5, B&W DM602.5, Polk.
    Subwoofers: Klipsch RW10, Triad ProSub Bronze.
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  • Unknown
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    edited May 2021
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