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  1. You were looking at a PTR7/III. Had you never...

    You were looking at a PTR7/III. Had you never opened yours? 3D? -- no.
    It is brass from the year Quincy recorded that brass-laden killer of a track.
    Which might serve as a blueprint for your 3D...
  2. I remember the time... Enjoy it despite the...

    I remember the time... Enjoy it despite the occasional drawback it entails ;)




    You have cheap 3D printing now, here's your solution to raggedness from the year of Quincy Jones "Thriller" with...
  3. Hi Marco the setup looks good! Kids (2..4yrs),...

    Hi Marco

    the setup looks good! Kids (2..4yrs), or a cat in the home? Would look even better (i think) without the grille in front of the 38cm unit, but with cats...

    Change of plan: why did you...
  4. So Ivica, doesn't that basically bring down...

    So Ivica,

    doesn't that basically bring down the argument to that of slot size (rectangular or circular "slot") for being the source of the better dispersion?





    The above arrangement of...
  5. Yes, agree this will work from 700 if x/o...

    Yes, agree this will work from 700 if x/o steeply, and "upstairs" the Be ribbon will help to offset matters.
    Have you ever compared "same" motor in two exit versions, say 1.5 and 2.0 inches for >10...
  6. Hi Espen, it almost doesn't matter if you...

    Hi Espen,

    it almost doesn't matter if you insert an adaptor or not. The HR series even has ex-factory that three hole mounting arrangement for the Altec 1.4" drivers of the time. Invitation for...
  7. I agree that the 0° amplitude response looks very...

    I agree that the 0° amplitude response looks very good, indeed, in the range that interests first&foremost.
    A loss of -20dB @19 kHz is however, more than i observed with Be frams. Not that it is of...
  8. Hi Jeff, actually i am not sure if you...

    Hi Jeff, actually i am not sure if you misunderstood my post or not.

    I was careful to point out that my trials were based on 1.5" drivers. There, the 2447 fitted with 476Be fram did better than...
  9. Hi Marco, i tried this 'plug & Be fram with...

    Hi Marco,

    i tried this 'plug & Be fram with the single piece of JBL476 that i own (offers for a second one welcome...)
    Used on a white whale, i found the "throatless" design of the 2450SL 1.5"...
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