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-   -   Frugel-Horn Mk3 (https://www.diyaudio.com/forums/full-range/172605-frugel-horn-mk3.html)

Scottmoose 21st October 2013 02:46 PM

That depends on the drivers, the XO frequencies, phasing & design requirements. Short answer though is yes, such things are possible. FWIW, I would sound a fairly major note of caution over the alleged benefits of minimalism though. This can be (and often is) taken to counterproductive extremes. For e.g., with 'regular' midbass / + 1in or < tweeters, low order filters can often require a higher component count due to needing multiple notch filters etc. in the nominal stopband to control response aberrations that with a higher order slope would be shunted to sufficiently low / innocuous levels.

Biamp + active is usually a good way forward.

hajj 21st October 2013 03:24 PM

Well I meant in the case of the VWR126.

Concerning the XO frequency, it's all a balancing act between how high you want to have it (in order to minimize XO related distortion in the telephonic band), and what amount of comb filtering you are willing to accept and the final C2C distance in the MTM arrangement.

And this is the kind of compromise where the experience of a builder plays a bigger role than simulations as they can sound very different from the real deal.

As I don't have the experience required to make such a call, I'd be happy to hear what you guys think about it.

A practical example could be an MTM double FH3 with a center tweeter.

Scottmoose 21st October 2013 04:01 PM

I suspect Dave & I might have somewhat different ideas about the XO with that particular example. ;) Still, no harm in options... for the above example, my preference is for low & steep filters depending on the tweeter in question. But then, it usually is as a matter of course.

planet10 21st October 2013 07:24 PM

I believe Bob has (or will have) kit(s) for an MTM VWR126. These could easily be fitted to a "stacked" FH3. The new lower price on this batch of VWRs certainly lowers the bar to using them.

dave

Cal Weldon 21st October 2013 07:31 PM

It is the VX.2 kit. I think for $300 plus cabinets, it would turn a few heads.

http://creativesound.ca/details.php?model=VX.2

planet10 21st October 2013 07:42 PM

Quote:

Originally Posted by Cal Weldon (https://www.diyaudio.com/forums/full-range/172605-frugel-horn-mk3-post3674811.html#post3674811)
It is the VX.2 kit.

4 pair left. I expect we will also see a new one with the new tweeter.

dave

hajj 21st October 2013 09:10 PM

Quote:

Originally Posted by Cal Weldon (https://www.diyaudio.com/forums/full-range/172605-frugel-horn-mk3-post3674811.html#post3674811)
It is the VX.2 kit. I think for $300 plus cabinets, it would turn a few heads.

Creative Sound - Product Details

Any idea what the difference is between the VX.2 and the Triton?

chrisb 21st October 2013 11:25 PM

hajj - the new kit doesn't publish XO scheme or parts list (may be just an oversight), but as they were by 2 different designer ( Triton by Jeff Bagby, and the VX.2 by Al Wooley), my money's on there being some differences there.

But overall, aside from the additional bracing and initial port location on Jeff's drawings, they look to be more alike than different.

Either one should be a killer MTM at those prices - just add your own wood

not that , Cal

planet10 22nd October 2013 01:14 AM

Head's up. Chris & Scott & i have been emailing on this, then Scott & i skyped today, and we will proceed with a stacked FH, in this case specifically targeted at the VRW MTM kit (i have the drivers sitting here awaiting use).

dave

hajj 22nd October 2013 08:38 AM

Quote:

Originally Posted by planet10 (https://www.diyaudio.com/forums/full-range/172605-frugel-horn-mk3-post3675151.html#post3675151)
Head's up. Chris & Scott & i have been emailing on this, then Scott & i skyped today, and we will proceed with a stacked FH, in this case specifically targeted at the VRW MTM kit (i have the drivers sitting here awaiting use).

dave

:D


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