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-   -   BH 5 damping (http://www.diyaudio.com/forums/multi-way/35975-bh-5-damping.html)

kyrill 13th June 2004 11:02 AM

BH 5 damping
 
Hi

Where in Europe is it possible to buy Black hole 5 via the internet?
http://www.gr-research.com/images/blackhole.gif

See http://www.gr-research.com/blackhole_5.htm

:)
Kyrill

kyrill 15th June 2004 09:43 PM

No advice?
Nobody knows of BH5 or is it not of interest for European speaker builders?

sreten 15th June 2004 10:10 PM

Well IMO an equivalent to BH5 is not difficult to knock up using
cheap vinyl floor tiles, structural foam and acoustic foam.

Personally not convinced about the " septum barrier" when used
in a loudspeaker but it it does make sense for large wall isolation.

Its not sold in the EU as far as I know.

:) sreten.

usekgb 15th June 2004 10:12 PM

Parts Express sells Black Hole. You might want to check if you can get it in Europe through them.

Cheers,
Zach

kyrill 16th June 2004 11:34 AM

Sreten
don't underestimate the "power"of BH5
It is tht good.
Zalytron is cheaper and from NY which is "closer"to Europe regarding shipping costs. It is the shipping costs that is expensive as BH 5 is very heavy Unless you choose for surface shipping (by boat, 4-6 weeks)

BrianGT 16th June 2004 01:42 PM

BH5 is quite heavy stuff. I had considered buying regular foam, and then other dampening materials to try to make my own version of it, but after calculating all the costs, I decided to just buy BH5, as it is very easy to use with the adhesive backed sheets.

It took me 5 sheets per speaker (12"x18" sheets from Parts Express)

Here are some pictures:
http://www.briangt.com/gallery/focal-raven-tl

Good luck finding some in Europe. It is distributed by the same company that distributes Focal, PHL and Raven.

--
Brian

kyrill 16th June 2004 02:04 PM

Hi Brian

I have an almost similar choice as yours.

Focal 10W 6452 woofer http://www.zalytron.com/pictures/10WSpecifications.pdf

Focal Audiom 6wm their current best midtrange (preferred x-over 200hz) and a Raven substitute

Aurum Cantus G3, sorry for the moving picture
http://www.e-speakers.com/Images/g3.gif

BrianGT 16th June 2004 03:53 PM

Quote:

Originally posted by kyrill
Hi Brian

I have an almost similar choice as yours.

Focal 10W 6452 woofer http://www.zalytron.com/pictures/10WSpecifications.pdf

Focal Audiom 6wm their current best midtrange (preferred x-over 200hz) and a Raven substitute

Aurum Cantus G3, sorry for the moving picture


Sounds like a great combination. I was considering making a 3-way with the Raven R2, Focal 10W6411 and the 6wm, but didn't have the extra cash, and stuck with the 2-way.

How come you choose the 10W6452 over the 10W6411? It looks like the 10W6411 is newer and cheaper.

I hope it works out well for you. I am still considering the 3-way for the future.

--
Brian

kyrill 16th June 2004 10:46 PM

Hi Brian

I got he 6452 for 170 $ and if you compare data they are almost the same.

kyrill 21st June 2004 06:29 PM

Still no answer

Nobody ever wanted to have Black Hole 5 in Europe?
How come, europeans do not believe that BH 5 is tht good?


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