sl2000 ohm

kidglove13
kidglove13 Posts: 207
edited September 2012 in Vintage Speakers
Cant seem to find the info

What ohm is an sl2000 tweeter in a SDA 1B?

It does not say on the back of my sl2000's

Thanks
Post edited by kidglove13 on
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  • nhhiep
    nhhiep Posts: 877
    edited September 2012
    between 6.9-7.1 on my 3 sl2000s
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  • kidglove13
    kidglove13 Posts: 207
    edited September 2012
    Which means it is effectively a what ohm speaker?

    Does that mean it is an 8 ohm speaker?
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  • heiney9
    heiney9 Posts: 25,165
    edited September 2012
    No, he's just measuring dc resistance. Ohms vary with frequency so the best you can do is get a median reading. A 4 ohm speaker is not 4 ohms all the time, it varies with the frequency of the signal played through it.

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • kidglove13
    kidglove13 Posts: 207
    edited September 2012
    H9, so the sl2000 in my 1B's are 4ohms then since the speakers are 4ohms correct?
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  • heiney9
    heiney9 Posts: 25,165
    edited September 2012
    No, not necessarily. The nominal impedance of the entire system is 4 ohms. Why do you need to know?

    H9
    "Appreciation of audio is a completely subjective human experience. Measurements can provide a measure of insight, but are no substitute for human judgment. Why are we looking to reduce a subjective experience to objective criteria anyway? The subtleties of music and audio reproduction are for those who appreciate it. Differentiation by numbers is for those who do not".--Nelson Pass Pass Labs XA25 | EE Avant Pre | EE Mini Max Supreme DAC | MIT Shotgun S1 | Pangea AC14SE MKII | Legend L600 | BlueSound Node 3 - Tubes add soul!
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  • kidglove13
    kidglove13 Posts: 207
    edited September 2012
    Not for any particular reason
    I just like to learn as much as I can about something I own, thats why I come here for answers when I do not know something.
    Especially when I am going to take my 1B's apart some time in the near future, once I finish redoing my monitor 7's so that I will at least have something to listen to when my 1B's are down
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  • Schurkey
    Schurkey Posts: 2,101
    edited September 2012
    kidglove13 wrote: »
    I am going to take my 1B's apart some time in the near future, once I finish redoing my monitor 7's so that I will at least have something to listen to when my 1B's are down
    Dump the SL2000s, replace one (the 4.4uF) capacitor in each HF crossover board with a 5.8uF, and then install SL3000/RD0-198 tweeters.
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