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About to invest in room treatments; GIK, RealTraps, DIY -- what is your experience?

I'm reaching the point soon where I'll invest in some treatments for my two channel listening room. Standmount speakers with tube amps. Room about 28x14ft with low ceilings, 6.5ft. Probably different kinds of treatments are needed. I'm not exactly sure yet what I'll need or how much to spend. This is not my final listening room, but I won't be able to configure another one for a few years.

I've seen many people tout GIK on this forum and I'm already communicating with them a bit. I will also reach out to Real Traps and possibly others. I do not feel bound to go with just one company or solution, so if you've mixed and matched, I'm curious about that, too.

Any recent comparisons between these two, or others? Do you have stories of good or not so good products or service? Any comments about the value of competing products? I'm not super handy or have a lot of free time, but DIY is also considered. 

128x128hilde45
djones51
4,947 posts
 
This might help some.

https://www.acoustic.ua/forms/calculator4.en.html
hilde45's avatar
hilde45 OP
4,974 posts
 
Thanks, djones! Looks good.
hilde45's avatar
hilde45 OP
4,974 posts
 
@nolojunko

Thank you for your detailed and probing reply. A few answers/comments.

I am realizing that I need to do more left/right speaker sweeps. With help, I've built a spreadsheet to record db changes at key frequency points along with various positionings.

Yes, I have no corner or front-wall bass traps in place yet.

I am about 14 ft from the front wall, but the room is odd. It's 27 ft long in the rectangle I'm in, but there is an additional 8' x 5' hallway entering into it. This listening position was chosen because of the way it both sounded and measured. It's very hard to know where the standard 38% position is, given the irregular shape.

And yes, what I'm seeing on the sweeps before treating is just a couple of nulls; the member here helping me said it was one of the best untreated scans he's seen in a long time.

Are you measuring each speaker separately? Answer: no, but I will.

I will reach out to the acoustics thread at Gearslutz forum. I have a lot of the data ready to go. And if I stare at it any longer, I'll lose my mind.

Thanks again!
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mahgister's avatar
mahgister
12,994 posts
 
It’s very hard to know where the standard 38% position is, given the irregular shape.
This location is indeed very good....

this is the golden ratio....

My 2 locations are good and the 2 are at this same ratio, one from my front wall (near listening) the other regular position from the rear wall at the same ratio...My room is irregular but permit this....

Try to discover a location in your room inplying this ratio....

1.618 is the magic number of nature....

62 divide by 38 : 1.63

My Helmholtz-Fibonacci silent pipes organ, a room tuner has all  three sets of three pipes cut with this ratio....

😊
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