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In the Forum: Horn-Loaded Speakers
In the Thread: Rakeshorns
Post Subject: Diff'rent strokes for diff'rent blokesPosted by oxric on: 12/8/2011
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 Romy the Cat wrote:

It looks like nice your builder doe for you a nice work. The whole design is not what I personally would look in frame as I have slightly different preferences. To me the whole concept of the bottom legs, what I call chicken legs, is not elegant and remind me the character from old Russian folklore tales: Cabin on chicken legs:

To me the lower legs, although they serve well understood purpose are kind of white flag of design as the purpose in a way defeats esthetic. It is like an American architecture in 30s – they built a wonderfully building and then they run ugly external fire escape around the facade.



I have not been exposed to the joys of reading either Russian children or Eastern literature where Baba-Yaga is some sort of archetypal cartoon character. My parents read to me classics such as 'Fables de La Fontaine' from where I progressed quickly to Tintin, Asterix, Mickey Mouse, then Marvel Comics. So your reference points are so far from mine that I am rather relieved you see in my design something which is not to your taste! 

The point of the splayed lower legs that you refer to so disparagingly is actually aesthetic as much as functional. They are wide enough to provide stability but narrow and high enough to be completely invisible from sight from the listening position.



 Romy the Cat wrote:

Again, I approach from the position of my objective – I what the frame to be invisible and horns juts fly in air by themselves. This very much might not be your, Rakesh, objective, so whatever I say might be absolutely irrelevant to you and to your builder.

The Cat


What is you say is not only irrelevant but quite wrong. The frame, legs and supporting rig are in the main invisible from the listening position and this was a design requirement from the very beginning. I do not dislike criticism of any sort, which is why I post here, but when it has no foundation, it's slightly pointless.


 Romy the Cat wrote:

It looks like nice your builder doe for you a nice work.

Regarding the strength. Looking at the building techniques I do not think that you will have any problem however when I say about strength I do not means that you will put the horns in the frame and the frame collapses or bends. When you go to a store and buy a brand new bad then it is dead firm and has not noises. However, after a few year of use you suddenly begin to hear noises and recognize that that wood is not so solid. The point is that the loudspeaker frame will be exposed to many microscopic vibrations and it might (or might not) weaken the joints as time goes by.

This is not criticism but the aspect that need to be considered. I am sure that with large contact surface and good wood it is possible to make the joint that will last move then a few life times…

The Cat


I do not know where you buy your bed and certainly have no interest in finding out what you do in it, but my bed and those that I tend to buy (it's true I am not buying them from your local discounted furniture shop in downtown Boston) do not creak, sag or loose their general functional integrity after a few years!

More to the point, I imagine you might conceivably be right about the joints weakening over time. If the LVFrame should last a few lifetimes before this becomes an issue, as you appear to suggest, I will be quite happy and will leave my great-great-great grandchildren to worry about this not quite perfect legacy of their ancestors. When problems should appear, it should be a relative simple matter to strengthen the structure with stiffening ribs as you suggested earlier. After all, one of the greatest work completed by Leonardo Da Vinci in his lifetime, 'The Last Supper' fell into ruins within 20 years or so because of the 'modular' time saving construction technique he utilised. So my slowly unravelling LVFrame will be in good company whilst it itself feels the passage of time.

Best regards
Rakesh

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