ᐅ Home Theater in Basement – Soundproofing

Created on: 8 Oct 2017 11:32
K
Kellerkino
Hello everyone,
I would like to ask how to soundproof a home theater in the basement, especially regarding bass isolation, and which materials are suitable for this purpose.
Thank you very much!
K
Kellerkino
11 Oct 2017 12:07
Kellerkino schrieb:
I've never done that before. There's always a first time, and it shouldn't be too difficult.

I just watched a video showing that the sealing tape also provides acoustic decoupling. That’s pretty straightforward... OK, so that means the stud frame would be decoupled, and the construction is quite simple. However, I’m not a fan of drywall. As an alternative, wooden panels—would these be considered worse again in terms of sound insulation in the home theater, probably, but still acceptable?
M
mega2017
11 Oct 2017 15:01
Hi, great project! I’m curious about how you plan to handle the technical equipment. Ceiling-mounted projector? Screen? Best regards
K
Kellerkino
11 Oct 2017 17:49
Hi,
acoustically transparent screen (possibly curved) and 7.1.4 speaker system not visible; Marantz or Arcam AV receiver. Sony 260 or JVC 4K player on a shelf. All equipment completely installed in the adjacent room (no lights in the cinema room). Background lighting for before/after the movie or for children afraid of the dark, all controlled via touch remote.
An expert was just here today. It will get interesting when I return from my business trip!
Best regards
D
Deliverer
12 Oct 2017 09:45
Your last post makes me wonder: Have you actually tested whether the cinema-level volume would be too loud for the bedrooms of the other residents? Maybe all of this is unnecessary?!

I was quite concerned at first as well, but in the rather poorly soundproofed old building, even at volume levels close to the pain threshold and during a Transformers scene, the noise is only audible in the room directly above. Just one room to the right, you have to press your ear to the floor to hear anything.

In a new build, it shouldn’t actually be any worse...
K
Kellerkino
12 Oct 2017 11:58
A house is not just a house; old is not the same as new, and each will be quite different.

When I turn up the volume in the living room, the family sleeping on the first floor complains, so I assume that if I create thunder sounds in the basement cinema, it will be even more noticeable.
I haven’t tested this yet, and it would be a somewhat pointless test anyway, since the soundproof doors and the related constructions or decouplings are not yet installed.
D
Deliverer
12 Oct 2017 12:09
In my opinion, it would be even more pointless to install doors and decoupling solutions at a high cost that might not even be necessary.

Of course, I understand that you wouldn’t want to install a standard door first, only to replace it later. But before setting up a room-within-a-room concept, it’s a good idea to place a subwoofer in the room first, at least if you need to keep an eye on the budget...