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Frugel-Horn Mk3 Builds & Build Questions
Frugel-Horn Mk3 Builds & Build Questions
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Old 9th January 2018, 05:13 PM   #1321
chrisb is offline chrisb
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Join Date: Aug 2002
Location: victoria BC
Kevin - not all drivers need corner reinforcement in FH3s - certainly it's been my experience that the Mark Audio and TangBand drivers tried to date don't. I have systems in two different rooms - the smallest of which is approx 320ft^2, and the upstairs a much larger open plan. While temporary experimentation has shown me that both would be plenty large enough for even the FHXL - were it not for furniture and WAF - I'm restricted to smaller footprint floor standers with direct forward & top mounted drivers. On the occasions I've played the FH3 & XLs at home they've been primarily been with Alpair 7.3 or 10s, and situated with the rear mouth at least 1ft from back wall, and approx 8ft apart in a 15ft wide room.

Modes are related to ratios of room dimensions, and while something like the FE126 in the FH3 won't rattle the china off the shelves, they will still excite standing waves. The trick in smaller rooms - particularly square ones - is that the physical bulk of treatment required to fully tame bass and other acoustic issues can aggressively impinge on the already constrained space.

In addition to a surfeit of professional and advanced DIYers' websites, formulas and project plans, there's some interesting reading to be found here:
DECWARE / Articles and Papers On Hi-Fi

DECWARE - Article about Setting up a Listening Room without Treatments

Colorful, sometimes grammatically torturous, I've always found Steve's scribblings entertaining and often enlightening.
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Old 9th January 2018, 06:13 PM   #1322
kwolff67 is offline kwolff67  United States
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Join Date: Sep 2013
Location: NJ
Thanks, Chris. I will check that out directly. The actual room dimensions are 12ftx15ft but I realize that's almost as bad as square.

I figured from what I've read so far that the room would need a lot of treatment, like pretty much total coverage (floor to ceiling corners, HF absorbers in upper edges, and a cloud near the speakers and one over the listening area).
There's not much furniture (bed and computer desk) and no WAF, so I don't care too much about how much space it takes or how ugly it looks as long as I'm relatively sure I'm not fighting a losing battle. I'm not building a studio nor am I looking for the perfect soundstage, but I'd like to get as close as realistically possible.

I have the fe126en's right now but am going to move to the A7.3 by spring (also if you could PM me the price for the supra-baffles you said you still have along with shipping to US 07083, it turns out I'm not as keen as I was on making my own).

Thanks for your help.
Kevin
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Old 9th January 2018, 08:06 PM   #1323
chrisb is offline chrisb
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Join Date: Aug 2002
Location: victoria BC
Kevin - contact Dave by private email with any commercial queries.
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