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In the Forum: Playback Listening
In the Thread: Tightening to loosening Screws ? no fake...
Post Subject: Hmm dimentions.Posted by unicon on: 10/19/2009
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 Romy the Cat wrote:

 The parallelness of the axis is necessary not because it create the “parallel sound” but because drivers have dimensions. Because the diameter of the drivers the arrival between the side and the middle of the cone is different. If the driver is faced to microphone/listener with peripherals of the cone equidistant from the sweat spot then it is not the problem. Then you moved 2m back - the peripherals of the cone will be also equally distant from you. Now pretend that you have 2-5 drivers and unless you would like to locate them in the curve looking directly at you (that has a lot of own problems) then you would want to introduce a permanent off-axis error. The off-axis angle is not a big deal but what is important in my view in context of multi-way system is that the off-axis would be constant for all driver and do not wary with distance. 

 


romyio
you are all right about aligning the dimentions when we tension the screws AND i dont ignore it.

i think its far more than dimention i loose the 6 screws on same driver equally and sound changes ...(if i get lucky not to change driver dimention on battle place)

another idea for proving this theory is: all the same model speakers sound alike? which means no & each of them are different story.

i think in this way we correct misassembly procedure of company(because they dont have this issue on their check list of manufacturing)  and get the designer intended results(if we are lucky again that even the designer was designer! not a cooker)

and in case of horns it can apply where the Drivers (MF sections)add to horn shape the Tension can change sound 
but bear in mind that you sometimes need to play with LF + MF + HF sections  simultaneity
you need to be radical to get ur hands on horns and make a change i bet ... they hard to figure (my thoughts)
 
rgs
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