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I also read an old post that maybe Klipsch is currently using lacquer?

What oil finish do I use?

I used Spandex for my acoustically transparent screen.

First post. Need advice about this purchase and setup. Craigslist sale of two Klipschorns and a Belle, fully modded with Crites woofers, Beyma tweets, Elliptrac horns, Crites A-55G Drivers, ALK extreme slope crossovers. My room is 25' x 25' x 12'. Both corners are outside walls. Although I will use a modern AVR for 5.1 TV use, I will also co-wire for tube. What is the correct distance for listening position if I am using a center channel in this setup? What power requirements must I use for tube amps? Are three mono amps important, or can I go stereo and mono amp? Probably going with import tube amps to save money. Any other considerations? Thanks!