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Thunderbird Club

#299,381
Gaolee said:
I don't claim to be an acoustic engineer, but I have some experience in building walls in apartment buildings to (attempt) to contain sounds. There are two issues. One is sound transmission through the structure, and the other is sound transmission through air. You will want to address both for bass playing. If you build a wall that creates an air gap between the existing wall and the new wall surface, it is the start. You will want to use light gauge steel studs or really crappy wood studs. It's not a structural partition. A couple layers of GWB on the sound side of the wall, with acoustic sealant in both layers is good. Use adhesive instead of screws to attach the second layer of GYB. Fill the stud cavities with dense mineral wool if you can manage to pay for it. Unless you are on the ground floor or in the basement, you will have to think about the floor as well. Putting your amp on a piece of playground matting helps a whole lot. Don't forget the ceiling. Sound can get into the ceiling cavities and travel a long way. If the building is concrete, then you will have to make sure there's no structure borne sound traveling all around the building. You would do something similar with channels and more GWB and mineral wool. Think of it as building a really dead box around the room. There are other products that I'm a whole lot less familiar with that are rubber or something similar. I assume they work, but there's no substitute for an air gap behind a sealed surface that keeps the sound mostly in.

If you angle the walls just slightly to avoid parallel hard surfaces, it will make it more pleasant for you. As long as you are doing all this work, get them out of parallel by a couple inches. I know how expensive square footage is in NYC, so this is a pretty big thing. But so is adding a second wall. I have made big mineral wool panels for the basement music room, and they work well to keep the sound from getting harsh in the room. I'm less sure they keep the sound in the room. For what its worth, the music room is built with wood studs, only a single layer of GWB, and fiberglass insulation. It's set into a concrete basement structure, on a thin concrete rat slab with just dirt below. It may even be hollow in spots. The neighbors don't complain, but then the kid next door on one side is a drummer and the couple on the other side used to play in a band that rehearsed in their basement.

Easy for me to say, since I'm busy spending all your money.
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I hold barometric pressure, humidity, temperature, ventilation and density as key factors for quality sound in a rehearsal space. Not especially scientific but based on actual experience. Years ago, we (BG & TSC) shared a rental rehearsal space in a big complex with a trio of hoarders. Way too many of their amps, gear etc and things hanging from the relatively high ceiling. Very claustrophobic ~ but... the sound was always good. We moved to another similar sized space in the same complex but it was way more sparse/uncluttered, and I had huge difficulty getting the same bass rig to sound good. Luckily it was short lived. Our current space under our guitarists home goes back & forth from sounding sooo good to sounding just ok. All settings the same. Same bass, same drums, same keyboards, PA & guitars - but different sounding depending on the day. I refer to the difference as shifting "molecules in the air" - and I'm convinced it's more that than anything else. As in, nothing inherently changes but one rehearsal sounds awesome (levels/sound quality) and another... just ok. When we first moved there we did some acoustic work on the space but by no means like a recording studio would. So all I'm saying is we can attempt to control a space optimally in as many ways as possible on a budget - and the rest comes down to the molecules in the air. :) :bassist:
 
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#299,384
PWV said:
Hey y’all! Number please - it was nice meeting everyone, that was a lot of fun.
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#299,386
I fed "lamb jam" into AI and got this.

1722311095702.png
 
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#299,390
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#299,391
TBird1958 said:
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I guess our 1000 member is our next goal...
 
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#299,392
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#299,393
Stealth57 said:
12 hours and 25 minutes with 3 stops. Unfortunately, Marshall has another 4 hours.

Thanks Marshall for the company and sharing the driving.

View attachment 6993812
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Just what were you all doing that you needed you deface the license plate?
Never mind. I don't want to know.

Beautiful street and area. Is that San Ramon?
 
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#299,396
JIO said:
I hold barometric pressure, humidity, temperature, ventilation and density as key factors for quality sound in a rehearsal space. Not especially scientific but based on actual experience. Years ago, we (BG & TSC) shared a rental rehearsal space in a big complex with a trio of hoarders. Way too many of their amps, gear etc and things hanging from the relatively high ceiling. Very claustrophobic ~ but... the sound was always good. We moved to another similar sized space in the same complex but it was way more sparse/uncluttered, and I had huge difficulty getting the same bass rig to sound good. Luckily it was short lived. Our current space under our guitarists home goes back & forth from sounding sooo good to sounding just ok. All settings the same. Same bass, same drums, same keyboards, PA & guitars - but different sounding depending on the day. I refer to the difference as shifting "molecules in the air" - and I'm convinced it's more that than anything else. As in, nothing inherently changes but one rehearsal sounds awesome (levels/sound quality) and another... just ok. When we first moved there we did some acoustic work on the space but by no means like a recording studio would. So all I'm saying is we can attempt to control a space optimally in as many ways as possible on a budget - and the rest comes down to the molecules in the air. :) :bassist:
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Had a guy who owned a sound company and installed out church system. He had a studio (old console was from Abby Road*), and did sound for some big acts with they came to town. I was lamenting how we get things sounding good one week, then the next it's all off. He said that unseen things like humidity and temp can really affect a PA. So you are not wrong at all. All those things add up for good or bad.

*He bought it and paid a lot for it but figured there would be a number of people who would want to record with it and he could charge accordingly. He was right. Bette Midler was the last known person to come and use it that I recall him talking about.
 
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#299,397
Miles_ONeal said:
Air / insulation gap with angled wall is proven tech (look up recording studio control room windows). If you angle walls, think about what will be on / aganst / by those walls to decide which way to angle them. For instance, if you want the top to angle in (maximum floorspace), you’ll likely want foam or something nehind the base of any art hanging on the walls, and the further down the hanger/s is/are, the more the nail/hook (or the hanger) will need to extend.

I don’t know what GWB/GYB is/are. Great White Board / GYnecological Board?
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Gypsum Wall Board = Drywall = Sheetrock
 
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#299,398
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#299,400
dagrev said:
But did you heave and gag any as that slippery thing slid down? ;)
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Nope, I hadn’t eaten raw from the half shell before, with a little garnish on top it was quite tasty. I doubt that I could eat enough of them as a meal, but two or three are great! A little push from the good Mr. Stiletto and his partner in crime Jeff was all I needed 😸
 
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