file A new arrival.

10 years 1 month ago #9062 by tony.a.s.s.
A new arrival. was created by tony.a.s.s.
As there has been talk in the past about moulding horns, I thought I would post this picture taken yesterday. I had just pulled out the new mould for the new R2U (rapid response system) Mother and baby are doing fine.
[attachment=0:265c58u1]<!-- ia0 -->IMG_0633.JPG<!-- ia0 -->[/attachment:265c58u1]

Peace and goodwill to all speaker builders
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10 years 1 month ago #9066 by saul
Replied by saul on topic A new arrival.
looks like the NCA compression horn
smiley32

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10 years 1 month ago #9067 by kpb
Replied by kpb on topic A new arrival.
congratulations !

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10 years 1 month ago #9070 by tony.a.s.s.
Replied by tony.a.s.s. on topic A new arrival.
Saul, what's an NCA compression horn.

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10 years 1 month ago #9071 by saul
Replied by saul on topic A new arrival.
sorry strange choice of words from me earlier

i meant it reminded of the HF horn in this box :

http://www.noisecontrolaudio.com/products_tmt600.html

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10 years 1 month ago #9072 by tony.a.s.s.
Replied by tony.a.s.s. on topic A new arrival.
I see what you mean now. I wasn't really aware of this product. Is it an import? can't think it would be made here. The asymmetric horn used does look similar.
I first made this type of horn when I produced the MX900. Unfortunately, I can't use this horn in the new system as the crossover point into the horn is around 600 hz, so I have had to make a bigger more open horn.
For me, the asymmetric horn makes sense because with a ground stack, I always try to get the hf to beam down, in as much as there's no point in having half of your vertical dispersion going into the roof or the sky.

Peace and goodwill to all speaker builders

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10 years 1 month ago #9073 by saul
Replied by saul on topic A new arrival.
exactly - i have always thought/wondered on this

i thought i might start angling the baffles down a bit for the HF horns, as all our gigs use ground stack. would this cause problems? or does it do the same thing? i can't see how it would cause problems

as far as the NCA goes - it's all made in France, and i'm pretty certain they do their own mouldings. they sound very nice.

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10 years 1 month ago #9074 by tony.a.s.s.
Replied by tony.a.s.s. on topic A new arrival.
Thanks for the info. Regarding angling down. On the MX600, 450 and 350, there is a 4 degrees tilt. I saw this situation years ago . A bit of a pain but it had to be done. It also means you have to angle your support for the driver in the cab the same way and make sure its in line. O what fun we have.

Peace and goodwill to all speaker builders

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10 years 1 month ago #9117 by mykey-
Replied by mykey- on topic A new arrival.

Tony.A.S.S. wrote: I see what you mean now. I wasn't really aware of this product. Is it an import? can't think it would be made here. The asymmetric horn used does look similar.
I first made this type of horn when I produced the MX900. Unfortunately, I can't use this horn in the new system as the crossover point into the horn is around 600 hz, so I have had to make a bigger more open horn.
For me, the asymmetric horn makes sense because with a ground stack, I always try to get the hf to beam down, in as much as there's no point in having half of your vertical dispersion going into the roof or the sky.

NCA is Tottenham Based Tony
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10 years 1 month ago #9118 by saul
Replied by saul on topic A new arrival.

mykey- wrote: NCA is Tottenham Based Tony


http://www.noisecontrolaudio.com/workshop.htm
smiley20


even talks about the fibreglassing


tottenham looks pretty, wasn't like that when i was last there smiley4

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