Soundman2020 - Studio Design Forum

Cheers Glenn, it's great when theory and practice align. Given the effectiveness of space couplers and their relatively cheap and simple material and build cost, I'm surprised they are not used more often.

Cheers!
Jennifer

Thanks Glenn. Yes, that improvement in the mud into boxy range is a real benefit, and presumably one of the reasons I don't feel the immediate urge to reach for EQ to scoop out a bit of the midrange in drums in that recent recording. Something I'm intrigued about with the space couplers + absorber v...

I'd be interested to hear people's thoughts on the effect of the space couplers. I've attached the REW file for anyone who wishes to look into other aspects of the measurements.

Cheers!
Jennifer

It looks awesome! Really curious to see if there is any difference in measurements with and without the space couplers, and, of course, you to tell us if there is any audible improvements. Of course! Subjectively, the my ears tell me the frequency response in area below the absorbers and space coup...

Space couplers in place! 2025-07-10 10.13.28.jpg I ran out of danish oil so one of those remains unfinished for the moment. They had to be in place for a big recording session so there wasn't enough time to get and apply and another can before installing. A bit annoying, but there it is! 2025-07-10 ...

uh oh... off by a millimeter... you're slipping :cop: Excellent! Speaking of millimetre tolerances, ripping the plywood sheets lengthways into the 76mm wide strips was quite challenging with the circular saw. And the mini circular saw at that, my normal sized circular saw gave up the ghost halfway ...

Once of four space couplers built. The ends are angled to fit closely into the sloped ceiling. 2025-06-30 16.27.23.jpg I made this jig from offcuts to allow routing of about 20 of the strips at the same time. 2025-07-01 10.38.29.jpg 2025-07-01 11.35.52.jpg A few of the lengthways pieces. 2025-06-30 ...

7278 coolio. be interested in what happens if you turn down the 55hz That would indeed be interesting! But I think there is still plenty scope to address this with room treatments as there is virtually no treatment on the side walls of the room at the moment and 50Hz is the primary width mode. Ther...

I've added 200mm thick glasswool to the centre recesses, and an approximate wedge shape of the same to the ends. The fabric is a rough covering to hold the insulation in place; it will all be hidden by a sheet of wadding above the space coupler. The centre glasswool has also been covered in fabric s...

All makes sense Glenn thank you. I've added some 50mm thick medium density insulation below the cross beam parts of the ceiling. Mainly to absorb any specular reflections or flutter echoes bouncing off them. 2025-06-24 18.10.35.jpg Roughly covered with fabric to prevent the dark material showing thr...

Glenn, you were interested to see if the modal behaviour of the room changed with the raised ceiling. I've just taken a measure with no insulation in the ceiling and here's the results. Left speaker, before (black) and after raising the ceiling (red) L before and after raised ceiling.png Full range ...

7270 sadly, you'll be covering it up :( Tell me about it LOL! Still, I sleep better knowing it has been done properly :-) i'm almost wondering if you can just hang some rectangular absorbers into those slots. Probably could do this and it would be good, but the plan is a little bit different. The h...

I've plastered and painted the raised ceiling. That was quite a job, it's all edges and corners! Next step is fitting the insulation for the absorbers.

A couple of quick thoughts: - Is your desk really that large? - The booth looks square, not an ideal shape for acoustics. Rectangular of certain ratios would be better. Possibly do the same for storage closets in case you ever want to use them for guitar or keys amp isolation. I'm sure such a mix po...

Lovely stuff, thanks Glenn!