some thoughts on studio monitors - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 12 Old 11-08-08, 03:31 AM
Chris
 
Join Date: Jan 2008
Location: Virginia, USA
Posts: 316
Re: some thoughts on studio monitors

Quote:
drf wrote: View Post
well I've looked, but I can't seem to find anyone who does those drivers in Aus. I have found a dealer for Vifa/Peerless so I might go with them and design around that. There seme to be a few good choices with Vifa for drivers that perform under $50.
DRF, I checked, and I looks like I can send the drivers and xovers and the waveguide plates(critical to get the superior off axis response these speakers provide) to you for about $50 using a USPS Priority International Mail 12" x 12" x 6" box. So, roughly $200 total(looks like new price of b2030p is now 150/pair; up from 130) if you are interested. Shipping the cabinets would bring up shipping costs alone to almost 200 dollars. Therefor, it's not feasible to send the cabinets. Actually, a DIYer would be very lucky to build speakers like this for a price like this of raw parts, and due to the unusually superb off axis response, it is still very unlikely the DIYer would match them without quite a bit of trouble(trial and error trying to match the specific waveguide used on the Behringer) or by using a more expensive tweeters that had the appropriate raw off axis response(some ribbon tweeters).

Off axis response set(0-09 degrees and CSD):
http://www.linaeum.com/productinfo/o...offaxis_1M.gif

Note the unusual identical response, through the entire audible spectrum and up to 15kHz. Up to about +/- 60 degrees(120 degree listening window) the response is almost identical. This is extremely rare/good off axis performance.

This is a small box to fit these parts in, but it can be done. In order to ensure safe transportation, I would cut out some plywood parts for the top/bottom of box and fit the drivers into tight fitting foam forms.

All you have to do is build new cabinets. Preferably, you would build superior cabinets to the originals, using for example constrained layers and dense matrix bracing. I'll provide the T/S parameters for the woofers.

If you are interested, I'll take the parts out of my pair of B2030P and 'test' fit them in the flat rate box to make 100 percent sure I can fit them safely.

-Chris

Last edited by WmAx; 11-08-08 at 03:38 AM.
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post #12 of 12 Old 11-08-08, 04:16 PM Thread Starter
drf
drf
 
Join Date: Oct 2006
Location: Somewhere else.
Posts: 1,249
Re: some thoughts on studio monitors

Thanks Chris, I appreciate the effort. I think I found out why the us and Oz prices are so different. All the monitors I found online are active, however the unpowered versions are cheaper. With the exchange rate, $200 Us would cost me $300. I am pretty confident I can get the unpowered versions for around $200 Oz. So I might do some more research and check out a few shops before I make a decision.

Thank you all
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