Does anyone have any good ideas?
Fran... I'd actually love to chat with you on the phone to get into specifics, but don't know if you have a consult fee that would cover your time for something like that. MORE than happy to pay for the expertise.
Situation:
Control room in commercial faciltiy. 20' L, 15' W, 10' tall. Ceiling slopes slightly up as it goes back, roughly 9'6" at front and 10'6" at rear. Double walls/ceiling all the way around, window to live room 6' wide and 3' high at center of front wall. 3'x3' window to iso room is on left wall roughly at the end of the console.
Room is well treated for first reflections and has quite a bit of bass trapping.
Here are the issues:
1. BIG dip at 61Hz at mix position, which is also strong at 122. Rolling my chair backwards 18" resolves the dip. Moving the console back into the room would be very, very difficult as there is a center table/equipment rack between the mix position and the client sofa.
2. Window to iso room is flush, and gives me a perfect relection of the right monitor speaker. I have left the wall opposite the window free of treatment for symmetry.
Solutions that occur to me:
Tuned trap for the dip. I have no idea how, where, how big...etc. I have all the acoustics books, but no direct experience building any of the various tuned traps (perf, slat, membrane, etc.).
Putting an additional angled piece of glass in front of the iso room window to angle the reflection back into the room, and then doing a similar panel on the opposite wall.
Like I said, I'm happy to pay Fran for a conversation, just thought I'd lay out the issue to see what folks have to say.
Thanks-
tom
(978) 465-5102