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  1. Replies
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    Wondering about 2216Nd as a current/serviceable...

    Wondering about 2216Nd as a current/serviceable replacement, possibly an improvement... seems like someone may have tried this in an L300 (not far off).
  2. I think Mike meant a filter to block the lowest...

    I think Mike meant a filter to block the lowest frequencies, ... a high-pass filter (on preamps there used to be a 'rumble' filter so turntables wouldn't feedback or put undue/inaudible LF into the...
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    A few things... 2231 recone kits have been...

    A few things... 2231 recone kits have been unavailable for quite some time. The suggested factory replacement (2235) kits -may- also now be unavailable... Perhaps you'll get lucky in either being...
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    That should be fine. The charcoal pick&pluck foam...

    That should be fine. The charcoal pick&pluck foam from the same vendor might be worth checking too (nice sized chunks pre-scored). Whatever is used should compress -very- easily. The foam plug that...
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    tape, sticky side out, on a stiff piece of...

    tape, sticky side out, on a stiff piece of plastic... e.g., part of an old credit card.
    new tape, clean gap, inspect gap and tape, repeat until clean.

    You don't want to add any abrasive or metal...
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    I assumed they were what triggered the question....

    I assumed they were what triggered the question. Cat's out of the bag now. Have to pull the drivers to know for sure, but they look pretty clean other than paint and the inevitable goop drip.
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    Perhaps very early 4310. Good luck: ...

    Perhaps very early 4310. Good luck:

    http://www.lansingheritage.org/images/jbl/catalogs/1971-pro/page03.jpg
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    google "banana plug to pin adapter" for some...

    google "banana plug to pin adapter" for some turnkey ideas... those holes are pretty small.
  9. Indeed... seems like they’ve gone NLA, then back...

    Indeed... seems like they’ve gone NLA, then back to A at least once already. :dont-know:
    perhaps those days are gone.
  10. ... and the 2225 is one of several readily...

    ... and the 2225 is one of several readily available JBL drivers that can be reconed as a 2234H or 2235H :)
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    Might want to verify the required size hole for...

    Might want to verify the required size hole for potential drivers, let alone bolt holes (which would be easier to drill/hide)... could be a clearance issue with the larger frame.
  12. :thmbsup: these speakers deserved the dx-1

    :thmbsup: these speakers deserved the dx-1
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    Tried to play nice. Done here.

    Tried to play nice. Done here.
  14. Replies
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    Lol. Quite the leading question... snake oil,...

    Lol. Quite the leading question... snake oil, belief, bad amplifier, simple proof. Showing your Paul Klipsch "No Bullshit!" badge ;) Good for you.

    If your scope can measure IM distortion, perhaps...
  15. Thread: KM2

    by grumpy
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    10,365

    An interesting mini-tour. A reminder of places...

    An interesting mini-tour. A reminder of places I've been. Thanks Mac.
  16. Thread: KM2

    by grumpy
    Replies
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    10,365

    2226Nd? ... say after me, 2216Nd... 2216Nd......

    2226Nd? ... say after me, 2216Nd... 2216Nd... 2216Nd ;)
  17. JBL foilcals being mechanically stamped is not...

    JBL foilcals being mechanically stamped is not weird. Perhaps there was a transition between when the two were built.
    At any rate, sounds like a very less important issue than getting your bass on....
  18. Thread: KM2

    by grumpy
    Replies
    166
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    10,365

    1) finished off 2269 dim measures (post...

    1) finished off 2269 dim measures (post edited)... appears most JBL 18"ers will drop into the same hole (front mounted), caveat being cabinet depth requirements.
    2) separate/modular enclosures seems...
  19. Thread: KM2

    by grumpy
    Replies
    166
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    10,365

    @hack Haha... thought the same. Square or point...

    @hack Haha... thought the same. Square or point to point. I’d have to go into the garage... ����☔️ :D (Apologies for the potentially unreadable emojis... spiderwebs and bats)

    that calculator is...
  20. Thread: KM2

    by grumpy
    Replies
    166
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    10,365

    2269H diameter: 18.25" 464mm...

    2269H

    diameter: 18.25" 464mm measured/confirmed same as 2245 spec
    flange depth: 7/16" measured
    depth (12.5") from online spec
    bolt circle diameter 17 3/8" 441mm from 2245 spec
    baffle cutout 16...
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    Able to get your eyes on the manuals? Fair...

    Able to get your eyes on the manuals?
    Fair chance it will work. Have you tried it?
  22. Thread: KM2

    by grumpy
    Replies
    166
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    10,365

    http://www.audioheritage.org/vbulletin/showthread....

    http://www.audioheritage.org/vbulletin/showthread.php?33565-2216Nd

    I’d expect the frame (other than depth) to require something very close to other current JBL 18” drivers. If you -really- need...
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    Haha... noticed that too. jbl tag on the back...

    Haha... noticed that too.
    jbl tag on the back might have some interesting info under the paint...
    or maybe would have if the foilcals weren’t missing. Perhaps on the other two?
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    Not sure about the efficacy of putting a steel...

    Not sure about the efficacy of putting a steel bolt through air coil inductors...
  25. Gonna need a 30A circuit for that beast, or...

    Gonna need a 30A circuit for that beast, or 220-240VAC @15A:
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