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This topic comprises 2 pages: 1 2
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Topic: Speaker placement in large auditorium
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William Hooper
Phenomenal Film Handler
Posts: 1879
From: Mobile, AL USA
Registered: Jun 99
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posted 03-18-2004 02:42 AM
For such a wide proscenium opening, what will likely determine the width of the screen is the available height. The width of the largest unmasked screen area will be scope, 2.4 times the height. So if you've got 25 feet of available height from the floor to a good spot with a little room for top masking, it will be 25' wide * 2.4 = 60' wide. In that theater, it seems like what will determine the height will actually be the height which can be seen from the last row of the seats under the balcony without cutoff by the balcony, which may be less. If it's 20', then 20' * 2.4 = 48' wide.
At 60' wide, that's a large, expensive bulb & lamphouse. Big picture, & a big house. A barn! And wide, you'd need a matte screen (rubbing the bottle to produce John Pytlak) & a 7k bulb.
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If push came to shove I could remove some of the stuff that is in the air back stage.
You should be careful in design & make sure that the screen installation does not in any way interfere with the use of the stage equipment for stage shows: bus & trucks, bands, etc. Get a college stage tech textbook to find out what it's all for & how it works. A theater is a machine, & all those doodads do something. It would also be a good idea to get a book on law for public assembly businesses.
You will be in the business of putting butts in the seats, & filling that huge place with just movies likely wouldn't be as practical an idea as maintaining it as a performing arts center for the other uses above. You need to have as many shows as you can. You'll want to do rentals for everything you can think of: rock shows, dances & balls, movies, video shoots, etc. You'll have to consider how other venues around the area are positioned & marketed, & work from there to attract that business & possibly be a venue which can offer other features. If the symphony or touring shows hit another fancy venue nearby, you may need to remove the seats from the orchestra & become the Fillmore.
The acoustics look like they could be good in that theater, depending on the wall covering, but sheesh it's huge! How many seats?
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The lighting system (colortran) is new as of 1995 and works now, but with my luck it will be the first thing to stop working.
Wow, huge expensive thing already in place.
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The lobby walls and floor are marble or some other stone that looks like marble. It is in excellent condition, but with constant use should I be concerned about maintaining it?
The walls could be scagliola, which is painted art that looks like marble. You don't see a whole lot of scagliola any more, since the labor of producing it may now be more costly than just buying marble. The floors could be marble, but it's not a very standard floor covering except for stair treads, etc. because it's expensive, porous, & stains easily. Could the floors be terrazzo (stone aggregate set in concrete during construction & the whole thing polished flat & shiny)? Terrazzo you just wash, & wax if you want.
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William Hooper
Phenomenal Film Handler
Posts: 1879
From: Mobile, AL USA
Registered: Jun 99
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posted 03-19-2004 03:54 AM
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I have never seen a live performance in this building, but after talking to the past director of events she said that everyone professional or not admires the acoustics.
There's a sort of maxim that a theater with great acoustics for unreinforced (i.e., acoustic, no amps) sound can be pretty bad for shows which use amps & speakers, & vice versa. The old silent movie 'palaces' were built for excellent acoustics with orchestras, organs, etc., but when talkies arrived, they were FAR too bangy & had to have absorptive material & devices stuck everywhere possible: ceilings, walls, etc. With the arrival of pink noise, rta's & better eq, those houses can now sound pretty good, but as an example THX is having to make them a special category because it's hard for them to hit the THX specs.
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That’s what I though. It has 160 dimmers for that stage.... doesn’t that seem like a lot?
You never have enough lights or circuits.
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The lobby is a cut stone of some sort. Hear are a few pics of it, maybe someone might know what it is.
Is it outside? If so, it wouldn't be scagliola. The curved areas would generally mean it wasn't marble since that's a lot of expense & waste, but if it's something like a municipal structure, they tended to get hornswoggled into spending HUGE amounts of money for things like real marble when commercial structures used materials which only looked like marble. It could be some later synthetic material; when was it built?
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