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Old 29th October 2012, 04:01 PM   #121
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Quote:
Originally Posted by epa View Post
post 112 right pic ,is that a seperate hf unit?
That is a Danley Sound Labs DSL SM60F "full range" molded Synergy horn.
Art
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Old 29th October 2012, 04:45 PM   #122
epa is offline epa  Netherlands
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couldn't quite see the scale of it .
intresting speaker.
so hf driver in the midlle,then 2 holes for each of the 8"driver and 4 hh holes at the end?
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Old 29th October 2012, 05:02 PM   #123
ZivkoF is online now ZivkoF  Slovenia
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Quote:
Originally Posted by weltersys View Post
That is a Danley Sound Labs DSL SM60F "full range" molded Synergy horn.
Art

Hi weltersys,

Yes it is DSL SM60F, I have heard and seen this speaker 2 weeks ago in my city where I took the photo we had Hi-Fi fair and it was playing in one room. I was expecting more from this speaker in the terms of the sound it was good but not to throw me out from my shoes - that is happening only with my Hi/Mid and Low TH suwoofers at home......
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Old 29th October 2012, 05:26 PM   #124
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Quote:
Originally Posted by epa View Post
couldn't quite see the scale of it .
intresting speaker.
so hf driver in the midlle,then 2 holes for each of the 8"driver and 4 hh holes at the end?
Four outer holes are bass reflex ports, four middle bandpass holes for the two outer speakers, four little center bandpass holes for the coax cone, center hole for the coax HF driver.

Very coherent single source constant directivity dispersion, though the conical expansion is not the most sensitive type of horn.
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Old 29th October 2012, 05:49 PM   #125
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Hi
It is as Art identifies and an implementation of a Synergy Horn as built as Fig#7 here;

Patent US20090136072 - Sound reproduction with improved performance characteristics - Google Patents

The SM-60f is a 3 way Synergy Horn system which also has a pair of 8” woofers feeding the horn (not shown in Fig#7).

The idea is that you are adding these three frequency ranges at dimensions that permit the wavelengths to add coherently like two close coupled subwoofers do except in the throat of a constant directivty horn which governs the radiation pattern.
The passive crossover accounts for the front to back time delay caused by the driver placement and the result is there is no normal crossover phase shift and so what one measures / hears appears to be from a single driver. With any of the Synergy horns, you can walk up to one and even put your head in the mouth and you cannot hear any hint there is more than one source somewhere in front of you.

Our company doesn’t advertise very much but the speakers are edging closer to you, two video’s from Denmark.

Use headphones for the first one if you have them, you can hear the difference between a single acoustic source per side and an array of sources per side.
It doesn’t show in a response curve but you can hear it even with a camcorder.

Danley Sound Labs SM80 vs. d&b Q7 - YouTube

Danley Sound Labs Jericho on Ledreborg 2012 - YouTube
Best,
Tom Danley
Company Facebook page
http://www.facebook.com/DanleySoundLabs?ref=ts
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