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    You could ask Erin for your money back. ? ...

    You could ask Erin for your money back. ?

    Barry.
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    Hello MoD; I think, if it were me, I would...

    Hello MoD;

    I think, if it were me, I would leave them as light as possible for the best midrange extension and EQ them to your taste.

    Barry.
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    Hello Rob; Do you think it may be...

    Hello Rob;

    Do you think it may be unrepairable?

    Barry.
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    Hello MoD; Since you have some unknowns why...

    Hello MoD;

    Since you have some unknowns why not assemble the cone kits in the frames and before you install the dust caps run them a bit and see where they are, and then decide if and how much...
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    Hello guys; I am re-reading a couple of Dr...

    Hello guys;

    I am re-reading a couple of Dr Geddes’ papers to refresh my memory as it has been a decade or more since I last read them. I am pretty fuzzy on exactly how his metric scores a...
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    Hello Thomas; If recall correctly Dr Geddes...

    Hello Thomas;

    If recall correctly Dr Geddes has interest in the phase relationship of the higher harmonics with the fundamentals? I do. This is where for instance if a diaphragm is ringing, the...
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    GedLee Metric

    Hello Rob and Thomas;

    My limited understanding of the GedLee metric is that it measures for many? types of distortions and applies a metric to the level of each of what Dr. Geddes believes are...
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    Hello Rob and All; I for one am keenly...

    Hello Rob and All;

    I for one am keenly interested in this topic. I have for the last decade generally used my plane wave tube for my compression driver testing. I use the phase response to see...
  9. Hi guys; I wondered the same. I bought an...

    Hi guys;

    I wondered the same. I bought an E140 that had been re-edged once. It looked about like that.

    Barry.
  10. Hi Guys; I just weighed four new OEM JBL...

    Hi Guys;

    I just weighed four new OEM JBL 2234-2235 cone kits.

    The cone coil assemblies weight between 94 to 98 grams. The cap and mass ring weigh 42 grams in the little unopened bag they...
  11. Hello Discus; My experience is somewhat...

    Hello Discus;

    My experience is somewhat similar. I thought the 2440 that drops off hard at about 9.5kHz left the 2405 a lot to do when listening loud. Moving to the 2441 with no signal shaping,...
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    Unless you have something like the Danley SH50...

    Unless you have something like the Danley SH50 Synergy Horn or another properly executed MEH horn. :)

    Barry.
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    It appears all the wood panels on the walls are...

    It appears all the wood panels on the walls are LF diaphragmatic absorption.

    Barry.
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    Hello Ian; This is where we get into...

    Hello Ian;

    This is where we get into trouble. You contending that the 1400 ARRAY can be scientifically considered to be perceptually time aligned verses the standard measures showing that it...
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    Hello Todd; Don’t you think that depends on...

    Hello Todd;

    Don’t you think that depends on where you are listening from? The polar responses of instruments are sometimes predictable but not always.

    If you are at the keys, if the lid is...
  16. Hello Discus! I see that you have both...

    Hello Discus!

    I see that you have both 4350’s and 4355’s. I have 4350’s and have swapped crossovers and components as to make mine 4355’s in 4350 enclosures. I have never had the opportunity to...
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    WOW! Very very cool collection. Barry, who...

    WOW! Very very cool collection.

    Barry, who also loves large format monitors. :)
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    Hello Todd. My memory sucks these days, as...

    Hello Todd.

    My memory sucks these days, as my days of rigorous studies are far behind me, there may be anything form oversimplifications to outright errors in this. Keeping it simple and short...
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    You are right Rob, no ETC measurement on the 1400...

    You are right Rob, no ETC measurement on the 1400 ARRAY article.

    Barry.
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    Hi Rob; Thank you for the link. #3 is the...

    Hi Rob;

    Thank you for the link. #3 is the impulse response of the Dunlav. It is very good indeed.

    Barry.
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    Hello Rob; The Dunlav response is an ETC...

    Hello Rob;

    The Dunlav response is an ETC measurement, unlike the two above that are impulse responses. There is no return through zero in an Energy Time Curve display. Dominated by the HF energy...
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    Did something happen to your M9500’s? Barry.

    Did something happen to your M9500’s?

    Barry.
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    Hi All; Once again, the ancients have stolen...

    Hi All;

    Once again, the ancients have stolen our secrets.

    These W2-2W8's are in the Community Loudspeaker catalog in 2007 and may be older than that. They feature canted woofers with...
  24. Hello All; I really hate to be critical. On...

    Hello All;

    I really hate to be critical. On occasion I will follow a thread over to AK. If using a handheld device, there is more add content than forum content on the screen. One with no way to...
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    Hi. There is a man, who may or may not have...

    Hi.

    There is a man, who may or may not have all the tech sheets. He is a guitar player and a JBL master reconer. In this age he may have nearly unmatched knowledge and wisdom on this subject. ...
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