Which SDA1's are these

Boonaroo
Boonaroo Posts: 57
edited December 2006 in Vintage Speakers
Planning on getting these this weekend if things pan out.

Thanks for the help indead.
Boonaroo
Post edited by Boonaroo on
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  • RuSsMaN
    RuSsMaN Posts: 17,987
    edited December 2006
    Studio 1C's?
    Check your lips at the door woman. Shake your hips like battleships. Yeah, all the white girls trip when I sing at Sunday service.
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  • Boonaroo
    Boonaroo Posts: 57
    edited December 2006
    That was what I was thinking.

    Any others?
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  • McLoki
    McLoki Posts: 5,231
    edited December 2006
    I was going to guess 1b - studio's. I could be wrong on that though. (they look very similar to my 1b's but black instead of the typical polk walnut\vinyl that was so popular then.

    Should have wooden bases about 1-1/2" high to be 1b's.

    Michael

    Edit - and I think we have a winner....
    Mains.............Polk LSi15 (Cherry)
    Center............Polk LSiC (Crossover upgraded)
    Surrounds.......Polk LSi7 (Gloss Black - wood sides removed and crossovers upgraded)
    Subwoofers.....SVS 25-31 CS+ and PC+ (both 20hz tune)
    Pre\Pro...........NAD T163 (Modded with LM4562 opamps)
    Amplifier.........Cinepro 3k6 (6-channel, 500wpc@4ohms)
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  • george daniel
    george daniel Posts: 12,096
    edited December 2006
    studio 1c's
    JC approves....he told me so. (F-1 nut)
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  • danger boy
    danger boy Posts: 15,722
    edited December 2006
    they are Polk Audio speakers. nuff said ;)
    PolkFest 2012, who's going>?
    Vancouver, Canada Sept 30th, 2012 - Madonna concert :cheesygrin:
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  • Boonaroo
    Boonaroo Posts: 57
    edited December 2006
    I am going to pick them up on Tuesday. I will let you know the true identity then.

    My thoughts were 1c's until McLoki came back with the edit link he found.

    I think either way, I will be happy. This will be my first SDA's. I have Moniter 10a's that I love, so I am sure to be pleased.:D
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  • ND13
    ND13 Posts: 7,601
    edited December 2006
    You'll be thrilled!!!
    "SOME PEOPLE CALL ME MAURICE,
    CAUSE I SPEAK OF THE POMPITIOUS OF LOVE"
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  • DarqueKnight
    DarqueKnight Posts: 6,765
    edited December 2006
    Both the late run studio 1B and early run studio 1C used that cabinet style. Some of the very earliest 1C's also used the blade/blade interconnect, and then the pin/blade interconnect thereafter.

    The 1B and 1C differed in the driver complement and crossovers used. The 1B used MW6509's for all four mid-woofer drivers. The 1C used MW6510's for the SDA drivers and MW6511 for the stereo drivers.

    The 1B had two different crossover boards, one each for high and low frequencies. The 1C only had a single crossover board.
    Proud and loyal citizen of the Digital Domain and Solid State Country!
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  • dbnh
    dbnh Posts: 194
    edited December 2006
    They look like my studio 1Cs; gotta love the black look. FYI - mine use the pin/blade cable discussed by DarqueKnight in the previous post. Good luck with your find.
    My system

    A-Gon Feedback; Head-Fi Feedback; ebay Feedback
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  • Boonaroo
    Boonaroo Posts: 57
    edited December 2006
    Well, I must say, you guys are correct!!! I got a great deal, and one that will make me smile for years to come.

    I have only spent a few hours with my SDA 1c's, but I must say. . . . They are truly special speakers. Even with my Bryston 2bLP at 60w @8ohms, they are very happy and show no signs of distress or coloration. I am a bit disappointed initially with the bass authority and impact from the 1c's. My monitor 10a's seem to have a bit more stability in producing the lowest of octaves.

    I am sure that with a more powerful amp (Bryston of course), I will be more than happy with the trade that I have made.

    Se la vie, Cerwin Vega.

    Boonaroo
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  • F1nut
    F1nut Posts: 50,654
    edited December 2006
    Place them close to the rear wall, 5 or 6 inches away. That will increase your bass response.
    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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  • dbnh
    dbnh Posts: 194
    edited December 2006
    Boonaroo wrote:
    I am sure that with a more powerful amp (Bryston of course), I will be more than happy with the trade that I have made.

    I used to use a NAD 2200PE amp with my SDA ICs, waaaay back when I purchased them new - bass response was decent. However, I currently use Odyssey Audio Mono Extremes, and the Odyssey product's high current [>120 amps] seems to mate well with the 1Cs - no bass (or other) issues whatsoever. :D

    Adjusting the distance from the rear wall, as discussed by F1nut, will produce various changes / improvements.

    Happy listening!
    My system

    A-Gon Feedback; Head-Fi Feedback; ebay Feedback
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  • kab
    kab Posts: 275
    edited December 2006
    We're guessing here that it's a 1B because all the dustcaps look the same.

    Is there not a serial number on the back?

    If it really matters to you...Helen, our resident expert on our vintage speakers, says that you can be sure by pulling one of the drivers. If the label on the back of the driver reads MW6509, you have a 1B. If the label reads either MW6510 or MW 6511, it's a 1C.
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  • ND13
    ND13 Posts: 7,601
    edited December 2006
    I've heard that some Bryston amps aren't common ground amps, somewhere here before. Just to be safe, you might want to check on that before using that amp with those speakers without the special IC that's made for those that want to use non-common ground amps. You speakers must have the pin/blade type IC connectors, too.

    Enjoy!!!
    "SOME PEOPLE CALL ME MAURICE,
    CAUSE I SPEAK OF THE POMPITIOUS OF LOVE"
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