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In the Forum: Horn-Loaded Speakers
In the Thread: A Moscow setup with Horns/Lowther
Post Subject: About the size of the roomPosted by Romy the Cat on: 2/28/2011
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 oxric wrote:
Whilst as Romy points out, the room might well be on the small side, it has a very high ceiling (say 4.5 m) that in my mind always presents fabulous opportunities.

I have a second opinion about the size of the room. My initial sentiment was that the room is small as they curved tweeter (presuming that it is time aligned). However, I just realized, looking at the second picture (side view), that the bass horn sits a good 3-4 feet from the back wall. The people who have limited space would not do it in THIS type of installation. Macondo for instance does read the back walls and this is why extending Macondo deep into room proved to be very effective. In this Moscow setup MF and HF channels are well shielded from back wall and there is no need to extend speakers from back wall. So, my presumption is that if the owner did it then he has no restriction in the room size. This however made the whole Rulit-Lowther story a bit more problematic. If the room is big and this playback would need to pump a lot of pressure into the room then the yellow drivers would be absolutely the last of what I use. I noted a amp with paid of GM70 tubes. They are in parallel or PP, I do not know, but they still a LOT of power for yellow drivers. With more power that from type 45 tube and more pressure then 95dB the yellow drivers sound not very impressive. If the room is truly big then that Lowther will die long before sound reaches the ears. I might be possible to fish something in it with 1.5K-1.7K crossover point at Lowther but good lack to make that bass hot to run too high…

The Cat

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