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Old 19th December 2011, 07:01 PM   #731
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Quote:
Originally Posted by chrisb View Post
that's not really surprising - coupling to slanted ceiling has dramatically increased the effective size of horn mouth
The fellow who got our Austin A126 had a similar room & placement. Bass was scary good.

dave
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Old 19th December 2011, 10:01 PM   #732
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Originally Posted by woodturner-fran View Post
MJK: the other bit of information relates to the driver behaviour. I noticed that the alpairs in the wider cabinets had a lot more cone excursion - they almost seemed to float forwards and backwards in a slow manner - i.e. not in time with bass notes etc. In the narrower cabinets they play a lot louder with very little cone excursion. The absence of this behaviour I think is what allows them to sound better in the narrower cabinets.
That does not sound like an enclosure related problem. Sounds more like an issue with the source or the amp, remember the old turntable rumble/record warp getting to BR speaker's woofers back in the 70's.

Martin
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Old 19th December 2011, 11:04 PM   #733
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Nope, not either of those - seen with a variety of sources and amps and the behaviour was not noticed with the same equipment when I used the "correct" cabinets (listening to it right now). Seen with both the older alpair 7s and the newer mk3 ones. Same improvement in sound with either alpair version too. But apart from that, there's a hardness that the bigger cabinets can have when pressed with more dense material, or older soul recordings that were often hard to begin with. The "correct" cabinets are much more forgiving to that material.


Either ways, I'm kinda sorted on this issue and am happy!! Bass weight is very good, sibilance is very natural (something I'm sensitive to), and tonal reproduction is very good. The frugels absolutely are lightening fast in their sound - electrostatic fast. This is very noticeable when compared to regular commercial box speakers. Soundstaging is good, better with suprabaffles, the soundstage is filled between the speakers, and doesn't extend outside them, and the depth is good. Placement is easy - really toe-in is the only parameter that needs careful adjustment IMHO. I've had them in big rooms, small rooms, 4W to 300W amps and they are just excellent performers. They beat the big sachiko horns by a country mile.

Fran



Ps.
I'm hoping to go semi-commercial and offer these as flat packs or built soonish, there's a few bits that have to fall into place first (not least the license!!). I'll post here when & if it happens. It may not be of much interest to anyone here due to the weight for shipping, but maybe for some in the UK or Europe.
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Old 20th December 2011, 01:08 AM   #734
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I have a question regarding FH mk3. Do they need to be placed against a all to function well or they will work well when placed in the back drop of an absorbent wall or open space ( in the middle of the room ) ?

Jay
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Old 20th December 2011, 01:59 AM   #735
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Quote:
Originally Posted by woodturner-fran View Post
But apart from that, there's a hardness that the bigger cabinets can have when pressed with more dense material, or older soul recordings that were often hard to begin with. The "correct" cabinets are much more forgiving to that material.
It could be because the box is a little bit bigger (150/140)% or you could have a leak

dave
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Old 20th December 2011, 02:00 AM   #736
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I have a question regarding FH mk3. Do they need to be placed against a all to function well or they will work well when placed in the back drop of an absorbent wall or open space ( in the middle of the room ) ?

Jay
Depends on driver. To get the best bass out of FE126 you'll want it at least near a wall. With A7 & EL70 you can pull them out a fair bit.

dave
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Old 2nd January 2012, 10:50 PM   #737
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I've had these drivers since 1986. They're from a company out of Dayton, Ohio. I've called a contact number on the web with no luck.... has been disconnected. They still sound amazing. I'm going to try them out in a Mk3 build. Really wish I could get some T/S specs on them. Anyone have any leads or info on them?
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Old 3rd January 2012, 01:44 AM   #738
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They sure look like they were made by Misco.

dave
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Old 3rd January 2012, 03:03 AM   #739
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They sure look like they were made by Misco.

dave
Thanks Dave. I looked through all their drivers. Nothing a dead ringer by looks. If they did make it, they've completely changed their design for the dust cover.
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Old 3rd January 2012, 03:27 AM   #740
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It looks almost a dead ringer (except for the cone coating) for the Hemp Acoustics FR4.5 which were made by MISCO.

dave
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