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Goodbye ! No more speakers with cones !
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Old 14th July 2012, 02:09 PM   #11
DaveCan is offline DaveCan  Canada
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Found this on YT.. Couldn't find anything by searching Dr.Julian Bunn

Planot Speaker Prototype - YouTube

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Old 14th July 2012, 03:00 PM   #12
jan.didden is offline jan.didden  Europe
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I would in principle be interested to publish an article about this unit, provided it has some technical substance.

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Old 14th July 2012, 03:18 PM   #13
theAnonymous1 is offline theAnonymous1  United States
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Quote:
Originally Posted by DaveCan View Post
Found this on YT.. Couldn't find anything by searching Dr.Julian Bunn

Planot Speaker Prototype - YouTube
Seems like you could attach any object to the motor stucture and it would produce "noise".
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Old 14th July 2012, 03:28 PM   #14
Pano is offline Pano  United States
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Goodbye ! No more speakers with cones !
Thanks for the update, John. I wish you well with your efforts, it's certainly a novel idea! And thanks for releasing this to the DIY community, it looks like a fun thing to build.

Be sure to get in contact with Jan about an article in his magazine. Would love to see that.
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Old 14th July 2012, 03:34 PM   #15
planot is offline planot  United States
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Thanks, for your kind words.

I am already in contact with Jan.

John
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Old 14th July 2012, 03:37 PM   #16
ashok is offline ashok
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Goodbye ! No more speakers with cones !
That's great. Now we can get some real info from someone who can spell it out as it is .
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Old 14th July 2012, 03:59 PM   #17
SY is offline SY  United States
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Goodbye ! No more speakers with cones !
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Seems like you could attach any object to the motor stucture and it would produce "noise".
Yes, it will. There are shapes that can maximize the "noise" and trade it off with bandwidth and frequency response.
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Old 14th July 2012, 05:46 PM   #18
Remlab is offline Remlab  United States
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Planot
I could be wrong, but wouldn't there be very complex modal resonances off all sorts? Torsional, parametric, longitudinal etc with very serious decay/ringing problems? Could we see some other measurements too if you have them?
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Old 14th July 2012, 05:57 PM   #19
KatieandDad is offline KatieandDad  United Kingdom
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I'm sorry but SONY and Hi-End Hi-Fi just don't go together. They build things as cheaply as possible for maximum profit.
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Old 14th July 2012, 06:03 PM   #20
Remlab is offline Remlab  United States
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I'm sorry but SONY and Hi-End Hi-Fi just don't go together. They build things as cheaply as possible for maximum profit.
Sony SS-AR1 loudspeaker | Stereophile.com
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