Vintage Mini Monitors $125

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  • mhardy6647
    mhardy6647
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    No need to apologize; this is excellent!
    Thank you!

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  • FestYboy
    FestYboy
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    Anyone notice the crossover points? In a 2 way system? Even if they're both high pass, that 100 point is a bit high given it's overall response.
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  • mhardy6647
    mhardy6647
    edited March 2018
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    So -- no, I didn't :p but I will say this:

    That 4" CTS driver was/is actually a pretty darned nice full-range (extended range) driver -- it has good output probably to 10kHz or maybe even more (on axis).

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  • FestYboy
    FestYboy
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    I don't doubt that. I just think it's a bit much to choke it off at 100hz and still claim response down into the 30s. Something is amiss.
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  • mhardy6647
    mhardy6647
    edited March 2018
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    ahh, I see your point.

    Well -- in the olden days (not that this is necessarily germane; I just want to do the 'old guy' thing and pretend that I am knowledgeable), it was pretty common to rate the "frequency range" of loudspeakers. The "range" was tacitly (nudge-nudge, wink-wink) assumed to represent the -10 dB points :) "Frequency response" (if specified) was similarly, tacitly taken to represent -3 dB points.

    But, of course, frequency response of loudspeakers is an ephemeral thing, at best :) Where is it measured? In a real, reverberant room? In an anechoic chamber? In a real room, where are the loudspeakers (corner, wall, middle of the room) and where is the microphone. :p


    If you remember high school physics and those "ripple tank" experiments, you can get an idea of how darned complicated sound reproduction in a finite, bounded space (like a room) can be! And those mind-bending interference patterns represent only one frequency :)

    9qr5o2n92p9c.png
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  • dromunds
    dromunds
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    I just had a flashback
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  • mhardy6647
    mhardy6647
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    dromunds wrote: »
    I just had a flashback

    my work is done here ;)
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  • FestYboy
    FestYboy
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    Yeah, that pic brings back memories. Couldn't wrap my head around chemistry to save my life, but physics was a different story thankfully.
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  • mhardy6647
    mhardy6647
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    try biophysics some time. I have a love-hate relationship with biophysics :)
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  • FestYboy
    FestYboy
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    Can't imagine why ;)
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  • elitt
    elitt
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    Amusing thread. Sorry for the radio silence. I found my notes.

    The drivers in the original post were purchased on fleabay. They are Bose 901 OEM - is that acronym used for electronics or just cars? Inquiring minds...

    Regardless, this is a picture of a different pair with original drivers that I have in my office. The drivers in these are labeled MW6500 (yes, they are) and are stamped '79 or '82. I won't take them apart, but I do have pictures on a thumb drive somewhere if anyone's interested.

    FWIW they are powered by a Sonos Connect Amp and sound fantastic.

    I put the mini's back in storage, but if anyone local to NYC wants them, don't hesitate to get in touch.

    9belepwipfz3.jpg
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  • mhardy6647
    mhardy6647
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    To quote Patty Larkin's song Beg to Differ:
    New York is far away from here...

    :(

    https://youtu.be/ckkF4NzZxx0

    Yes, we say "OEM" too -- well, I do, at any rate.

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  • FestYboy
    FestYboy
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    Original Equiptment Manufacture. Works for me.
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  • Nightfall
    Nightfall
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    Aaargh. I want them but unfortunately I don't feel comfortable doing Internet business with new members. FYI you need 100 posts to sell here.
    afterburnt wrote: »
    They didn't speak a word of English, they were from South Carolina.

    Village Idiot of Club Polk
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  • bushiro
    bushiro
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    Sorry...didn't know the rules my bad.....just wanted to offer them to some people who enjoy polk speakers....
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  • FestYboy
    FestYboy
    edited April 2018
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    @bushiro There's interest... Especially from me.
    Hang out for a week and you'll hit the century mark quickly, then post a price. No doubt there will be several of us climbing over each other to get our grubby mitts on them. ;)
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  • Clipdat
    Clipdat
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    They're so CUTE!
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  • Nightfall
    Nightfall
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    Clipdat wrote: »
    They're so CUTE!

    They're too cool. I want to put a set in my car somehow.
    afterburnt wrote: »
    They didn't speak a word of English, they were from South Carolina.

    Village Idiot of Club Polk
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  • codycatalist
    codycatalist
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    Was always fascinated by the mini monitors! Hopefully you stay and Nightfall snags these up. I’m sure either way you’ll be offered a fair price.
    Just a dude doing dude-ly things

    "Temptation is the manifestation of desire which equals necessity." - Mikey081057
    " I have always had a champange taste with a beer budget" - Rick88
    "Just because the thread is getting views don't mean much .. I like a good train wreck doesn't mean i want to be in one..." - pitdogg2
    "Those that don't know, don't know that they don't know." - heiney9
    "Audiophiles are the male equivalent of cat ladies." - Audiokarma Member
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  • F1nut
    F1nut
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    Do not encourage those in violation of the selling rules. Just report it and move on.......geesh!
    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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  • elitt
    elitt
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    Was a hijack sale posted and then deleted? I'm confused. I have 111 posts as a long time sometimes active lurker, and have bought, sold, and even given a pair of 7's away for free.
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  • FestYboy
    FestYboy
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    ^ correct
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  • elitt
    elitt
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    I'm going to give this a little fall sales bump...$115 cash and carry in Manhattan if you can make it!
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  • elitt
    elitt
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    Also posted to the ‘deals’ thread...no affiliation, just a nice add to this discussion.

    https://newhaven.craigslist.org/ele/d/polk-audio-speakers-vintage/6653239140.htmlljzpcp5gwjim.jpeg
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  • mhardy6647
    mhardy6647
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    mmm -- those are the originals. Those aren't yours, though, right?
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  • elitt
    elitt
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    Correct, evidenced by the pictures I posted of mine in the OP, and the no affiliation disclaimer in the post of that sale.

    PRICE DROP: $75 cash and carry pickup in Manhattan.
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  • elitt
    elitt
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    I will ship these. $75 plus cost.
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  • K_M
    K_M
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    FestYboy wrote: »
    Anyone notice the crossover points? In a 2 way system? Even if they're both high pass, that 100 point is a bit high given it's overall response.

    The 100hz is the "crossover" from the woofer to the passive radiator.
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  • elitt
    elitt
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    $80?
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  • elitt
    elitt
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    doh! forgot i went down to 75. sorry folks.
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