Fair enough!We were just discouraging the distraction while we were designing Project May. Get your creative juices flowing and make "Project Plan B" a reality.I had the mis-impression that there had already been some
background conversation re plan-B .
Sounds like a good topic to pick up on a new thread.
-grumpy
This is how I understood Greg Timbers. Not ONLY cost and size issues.Originally Posted by Robh3606
Judging from the size of the bypass caps they are not .01 Uf we would all expect. They look to be larger values so it appears they are running a ratio of NPE and PP where the NPE's are used.
Rob
I thought the series coils in the sub driver were sledgehammer iron cores. The big coils might be for the mid bass driver. That means there is another board, perhaps there is an image somewhere.
____________
Regards
Peter
Thanks.
It now makes a whole lot more sense, the NPE's in the sub are exclusive and is a Zobel. The others in the mid woofer are blended with Solens and biased from the parts count, they look to be about 1 uf.
Nicely layout and I love all that copper, money well spent there!
Personally I hate any kind of "Hype".
At the moment we have a B&W Hype here in Germany and probably whole Europe
My personal opinion is that the Everest is not only overpriced but also overrated. Problem is that to proove it I need to enter a damned plane to norwayor find the german distributor. I have a feeling who will be the importer here and it makes me sick. This company already imports the Array series and is known to be arrogant as hell.
Wrong guys chosen JBL-Management! Maybe that's why JBL don't sell well? I heard something similar from US forum members also. OK, I'll stop it not to start problems.
Back to topic:
I like the industrial design and the horn might be interesting with other driver combinations which is currently checked by some DIY maniacs.
That is the sense of this thread... IMHO
That reminds me of 3M and that is why they have competitors. They used to cry like babies when my clients specified the opposition in the tenders and contracts..tuff titties!
I can understand your feelings but we are here and this place exists because we are enthusiasts and I think JBL understands that.
In all my letters (dated back to 1980) from JBL they advise they unfortuately don't have the resources to assist individual diy projects but enthusiasts can obtain quite impressive results particularly if they use active crossovers.
Without the actual plans of the above design and fabrication resources it probably is a ball breaker to built is exactly as a clone. So use your imagination. I don't see the necessity to get hung up on all the hubba when you turn out a pretty nice job yourself with some of your own ideas. You only have to please yourself after all, just follow your ears.
Incidentally Visation in Germany have some interesting hardware:Here is a link to a local distributor. Precison Devices in the UK also make ans excellent range of Neo based drivers as to B & C. That hornnis getting some good press.
http://www.soundlabsgroup.com.au/pc/...High-End/Sound
You are damned right Ian!
One day the sales structure will change and we can first HEAR and THEN BUY stock JBL.
Meanwhile we continue DIY
I heard the 704 today in a shop while looking at a Marantz SA/CD player.
For such a small system it was impressive, there was certain tonal quality to the midrange that makes you wonder. I imagine the 800 series would be another story again..an then there is the technology!
Ian
~9ft dia (horn rotation) ... haven't estimated vert profile.
39-40" dia cab
5 pt cubic spline fits hor. mouth profile nicely.
Uhmmm, 39.37" maybe?
I have no clue what a cubic spline is, but it certainly looks right.
It's a bezier curve. A curve that is not based on simple radii, but uses a complex mathematical formula to derive it... any accelerated curve, like say a "french curve" can be represented with bezier curves.
I have no clue what a cubic spline is, but it certainly looks right.
Widget
All-RIGHTY, then, we know what to punch in, now....
yup. my point was the top-down view of the horn expansion does not appear to be a
simple curve. One -might- assume (or not) that the internal horn throat follows a similar
expansion.
? Sure 39.37" if that floats your boat
steadiness of my hand etc... and the fact that I don't think it matters all that much.
Did I miss that spec in the docs too?
-grumpy
That's the inch equivalent for 1 meter... it would be a likely guess.Did I miss that spec in the docs too?
I can give you the actual curve of the H9800... I believe that the initial curvature is the same. Send me a PM with contact info and file type requirements... here is the H9800 from my CAD data.
Widget
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