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| Re: Theater 4 boxes...Question for those who have built them. [message #41140 is a reply to message #41139] |
Sun, 27 April 2003 12:06   |
jtsjf
Messages: 13
Registered: May 2009
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Chancellor |
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There's a bit of software out there called 'cutlist' or 'cutlist pro' from 'Bridgewood' software. I think its freeware or shareware. It's supposed to outline the most efficient use of plywood for a project.
That said, I didn't use it (didn't know about it when I built my theater 4's), and I still bought an extra sheet, cause I screwed up one cut.
MDF is real unpleasant stuff in my opinion. This summer I hope to have time to rebuild my theater 4's either as 7's or as 4 towers using nicer looking material. Instead of putting veneer on mine, I just slapped on some wallpaper. Doesn't look too bad, really.cheers,
Jason
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| Towers [message #41144 is a reply to message #41143] |
Sun, 27 April 2003 14:41 |
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Wayne Parham
Messages: 18792
Registered: January 2001
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Illuminati (33rd Degree) |
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Bill, your cabinets are really great. I just love that look and I can hardly wait until they're done!!!Check out John Lapaire's Theater four π speakers, which he made taller and narrower than the original, retaining the same volume and making a tower configuration.  John Lapaire's Theater four π tower speaker with MK2 beside it
Another interesting speaker is Martinelli's Arrezo, which is essentially a Theater Series three π in a tower configuration. It was a big hit at the Midwest Audiofest.  Martinelli Arrezo
There's definitely some really great work being done by you guys.
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| Re: Tube friendly for all who listened [message #41148 is a reply to message #41145] |
Sun, 27 April 2003 18:46 |
bmar
Messages: 346
Registered: May 2009
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Grand Master |
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Thanks Wayne, I'll just add a few noteworthy comments about the "Arezzo 12" since some questions were brought up. The speaker was designed to be an entry into a two way horn with a high quality wood horn and veneered bass reflex cabinet. I determined the height to position the horn at a perfect ear level for listening while seated. The width was determined by the 12" horn that would be used on top. The depth was then determined to yield a full 3 cubic foot internal with all bracing and driver. The narrow baffle design of the speaker will help with imaging but as Wayne says it will increase the baffle step a little. Will this speaker blow the doors off a 15" or 18", or horn loaded bass speaker? No, lets not be silly! It has very nice bass and surprised a lot of people who listened to them while at MAF. I can assure you that not only is there no structural detriment to having the driver mounted in a narrow baffle. It is actually more ridged and structurally sound than a wider baffle. The driver is not just attached to a front baffle, it is also attached into the side panels of the cabinet. There is ample unequal bracing in the cabinet which makes a very ridged box with no unwanted box excited resonance. I find the Arezzo 12 to be tube friendly with the tube amps I have used. I have not tried a 2A3 or a 45 amp. They work great with a Dyna 35, higher wattage mono blocks and they were running almost the entire MAF show with a Audio Note 8 watt 300B amp. In fact, They sounded so good with the Audio Note 300B, I'll be picking that amp up in a few weeks because I bought it! If your looking to build a speaker or have a finished speaker built for a smaller room or where space is an issue. I suggest you try a Pi Theater 3 or an Arezzo 12. The have two things that make them a tweakers pleaser. They are small and compact for a high efficiency speaker, fitting to many decor and very WAF. Second, Although perfectly fine as they are. By adding a well thought out subwoofer and supertweeter. You essentially have a perfect 4 way design with minimal extra labor and crossover compliments. Hope this helped, Doctor Epstein says I write too much. just a speaker junkie at heart. Bill
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