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  1. Replies
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    If you just pick the correct two terminals on an...

    If you just pick the correct two terminals on an 8ohm L-pad, you'll have a variable resistor (low ohms to ~40ohms)
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    3,075

    Xmax for 128H is only 1/3" ... 2" is right out. ...

    Xmax for 128H is only 1/3" ... 2" is right out.

    I would guess 1) simply expecting too much and over driving the system or 2) the box tuning (passive radiator in this case... seems there was a...
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    If it's already tuned to be ~30Hz (say 5-6ft3...

    If it's already tuned to be ~30Hz (say 5-6ft3 vol, 4" long x 4" diameter port), I'd just start with it as-is (running through some scenarios).

    I would expect that to be fairly close to neutral (no...
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    Very nice. Inspirational, in fact. I -really-...

    Very nice. Inspirational, in fact.

    I -really- need to make working space in the garage and get going before George comes and kicks my butt!
  5. Poll: If the popping is happening with vinyl as a...

    If the popping is happening with vinyl as a source, use a high pass filter (whether its called a rumble filter or infrasonic filter)... the L150 is capable of enough LF energy to feedback through the...
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    More opinion: the 076 diaphragm is likely worth...

    More opinion: the 076 diaphragm is likely worth much more than the 044Ti (I am quite familiar with both drivers). Very much worth the trouble of trying to get what you paid for.
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    Opinions: I'd wait to see what the seller says...

    Opinions:

    I'd wait to see what the seller says before doing anything.

    Other than the box, there's perhaps only a bit more value in the "new" Ti diaphragm than there would be for a very clean,...
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    363

    The stock JBL shipping boxes for raw drivers have...

    The stock JBL shipping boxes for raw drivers have not been very impressive.
    Certainly better than throwing them in a milk crate, but cone protection and drop protection should be key.

    something...
  9. Thread: Original L100t

    by grumpy
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    580

    nice condition! I like the plinth :)

    nice condition! I like the plinth :)
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    Manually-rotated 'lazy suzan' works OK for this...

    Manually-rotated 'lazy suzan' works OK for this kind of thing. A few bucks at a housewares store.
    Also useful for refurbishing speakers drivers in general.
  11. Thread: JBL 034 tweeter

    by grumpy
    Replies
    16
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    6,265

    IIRC, there were links in the 044 rebuild...

    IIRC, there were links in the 044 rebuild discussion (Seawolf)
  12. Thread: JBL 034 tweeter

    by grumpy
    Replies
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    6,265

    Handy info, if you work at a place that maintains...

    Handy info, if you work at a place that maintains large optical telecscope first-surface mirrors. :D

    Just paint the 034 lightly if cosmetics are a bother.
  13. Nice. I stand by my suggestion as stated. First...

    Nice. I stand by my suggestion as stated.
    First time I heard those drivers, they were in a similar cabinet. Left a good long-term memory :)
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    Hmm. That's a lot of weight to cantilever out...

    Hmm. That's a lot of weight to cantilever out from a particle board face. Particularly long-term or in humid locations.
    Even something like "perforated hanging strap" or a side-to-side brace with a...
  15. Would only add that if you go with plywood, I'd...

    Would only add that if you go with plywood, I'd suggest looking into a void-free type less likely to rattle or resonate, such as baltic birch or "appleply"
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    Absolutely not. Just more steps of level...

    Absolutely not. Just more steps of level adjustment (resolution, in this case, not inherently improving the signal as heard or audio resolving power).
    If, in providing more refinement of adjustment,...
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    Quite a range of options, but personally, I'd...

    Quite a range of options, but personally, I'd focus on the cosmetics (perhaps a light spray of aluminum-looking paint on the tweeter dome). How's the grille and cabinet?
    Changing out crossover parts...
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    Figure on replacing the ferro-fluid/oil in the...

    Figure on replacing the ferro-fluid/oil in the gap (if not done by previous buyer or unknown). Looks like the stock Be dia.
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    Didn't fray because the ends were 'tinned'. :) ...

    Didn't fray because the ends were 'tinned'. :)

    Commonly sold as 'stranded hookup wire'. Bigger strands make for less floppy wire.
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    Sticky: :applaud::rotfl:

    :applaud::rotfl:
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    I would not be an anxious about tiny dents....

    I would not be an anxious about tiny dents.
    Being aluminum, I would think the eventually demise of the suspension would cause more grief... hopefully, very far down the road, particularly if lightly...
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    'using original parts' being the operative phrase.

    'using original parts' being the operative phrase.
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    I'm inclined to stop now. Nice turntable....

    I'm inclined to stop now.

    Nice turntable. You're in good hands with Mac.
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    Now you’re taking this to a whole ‘nuther level...

    Now you’re taking this to a whole ‘nuther level...
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    A worthy project!

    A worthy project!
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