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Just thought I'd mention how crucial these room modes are with a +/- 9db at the center of the room. (ouch) Ok, theoretically for my room there should be a null 4 feet from the ground @ 71hz. (The big ole first order floor/ceiling axial room mode) I just took measurements from listening...

This week I'm gonna be testing response with overlapped tones. Such as playing 40 + 80 at the same time and then incrementing those 2 tones up. I'm gonna do some measurements and see how the response is. Theoretically, shouldn't the 2 tones overlapped play at the same volume as another 2...

Edit: feel free to edit the file. If you email it to me I can put it on my site and give credit. [email protected] Please let me know if there's a mistake in a formula or in information. I tried to keep the reading as simple as possible.

Good ideas, I have a bunch of tones and I do have a tone generator as well. Here's a link to some tones: Link Removed Personally I like the tone generators because you can play around with overlapping tones and sweeps at different speeds. This was just a simple excel program I whipped up...

SPL Compensator and Graph Download the Excel Document HERE, (Microsoft Excel needed) [33kb] 1. Explains how to use a Radio Shack SPL meter to record frequency response. 2. Enter in numbers, view adjusted measurements and 3 different graphs. 3. Enter in room dimensions and find out ALL...