Tame those metal dome tweeters

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  • Systems
    Systems Posts: 14,873
    edited November 2009
    rubin wrote: »
    What type of problems?
    Depends on the material used but one would expect there to be upredictable changes to frequency response and dispersion.
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    rubin wrote: »
    So you know about those early speakers.I thought the 100"s would have blown them into outer space.

    Overall the 100's should be a more accurate speaker atleast from the upper midrange on down.
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  • rubin
    rubin Posts: 565
    edited November 2009
    As you all can see I've tried a few things .Nad amps are suppose to be warm,I use a tube pre with mullard tubes.I can"t afford tube amps not even used and I can"t afford speakers either.I have the arcam cd 73 is that a bright or warm player?What a tangled web.
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    How do you have them positioned?Are they well away from the walls?Facing straight ahead or toed in?
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  • rubin
    rubin Posts: 565
    edited November 2009
    I think one paradigm problem has is that I heard they have acces to a gov"t sponsered sound/listening room which is engineered way better than what we have at home. So what sounds real good there may not be so good at home.
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  • rubin
    rubin Posts: 565
    edited November 2009
    GV#27 wrote: »
    How do you have them positioned?Are they well away from the walls?Facing straight ahead or toed in?

    Straight ahead 4' from the back wall 3' from side walls.Toe in is worse.
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  • mmadden28
    mmadden28 Posts: 4,283
    edited November 2009
    Face wrote: »
    I had a brain ****.

    ... If so, two resistors in series do not sum together, in fact it would lower the circuit's resistance. ...

    I think you had a double brain ****...;) two resistors in series do in fact sum together, it's when they are in parallel the resistance would be lower. With capacitors it's the opposite (they sum in parallel).
    I'm sure you know this already-just don't want anybody else getting the wrong idea.
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    rubin wrote: »
    I think one paradigm problem has is that I heard they have acces to a gov"t sponsered sound/listening room
    Like a few other Canadian manufacturers they did utilize the NRC's(National Research Council)anechoic chamber until they had grown to a point were they could afford to build their own.
    rubin wrote: »
    Toe in is worse.
    One would expect it would be.You could try a few degrees of toe out.That then will put the tweeter off axis somewhat and may result in better treble balance.
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  • rubin
    rubin Posts: 565
    edited November 2009
    GV#27 wrote: »
    Like a few other Canadian manufacturers they did utilize the NRC's(National Research Council)anechoic chamber until they had grown to a point were they could afford to build their own.

    One would expect it would be.You could try a few degrees of toe out.That then will put the tweeter off axis somewhat and may result in better treble balance.

    Toe in-worst , straight-ok , toe out-seems the best for me.Sounds like it cuts the treble and brings out the bass.Just looks a little odd.
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    rubin wrote: »
    .Just looks a little odd.
    It would and psychologically be hard to get used to.But if it sounds better you can just close your eyes.
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  • Systems
    Systems Posts: 14,873
    edited November 2009
    xcapri79 wrote: »
    Two resistors in series do add together, so that RT = R1 + R2.
    He does a lot of diy xover design and mods so I believe he knows this but was just having a momentary lapse.
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  • steveinaz
    steveinaz Posts: 19,538
    edited November 2009
    Are you listening with the grills on? Ref Studio's are intended to have the grills on.
    Source: Bluesound Node 2i - Preamp/DAC: Benchmark DAC2 DX - Amp: Parasound Halo A21 - Speakers: MartinLogan Motion 60XTi - Shop Rig: Yamaha A-S501 Integrated - Shop Spkrs: Elac Debut 2.0 B5.2
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  • rubin
    rubin Posts: 565
    edited November 2009
    steveinaz wrote: »
    Are you listening with the grills on? Ref Studio's are intended to have the grills on.

    Both ways depending on my mood,but yes less forward with grills on.I kinda think after using these for 10 years maybe I'm just getting bored with them.
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  • Face
    Face Posts: 14,340
    edited November 2009
    mmadden28 wrote: »
    I think you had a double brain ****...;)
    Crap, you're right. :o Working 70 hours in 5 days fried my brain.
    "He who fights with monsters should look to it that he himself does not become a monster. And when you gaze long into an abyss the abyss also gazes into you." Friedrich Nietzsche
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