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Thread: Building a listening room
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March 1, 2021, 01:12 PM #1
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Building a listening room
Hello,
I want to have a go at making and selling boutique speakers, so I'm going to build a listening room. I wanted to ask the knowledgable people here for advice.
The goal is to have a room which will allow for the clearest evaluation of speakers. To this end I want the walls to be reflective, but for there not to be any issues with the sound which would mask the sound quality.
The internal dimensions in feet are 14x22.5x36.5
The walls and floor will be concrete.
I'm thinking the roof could just be galvanised sheets.
My question is; how can I get a good in room frequency response, i.e. not too rolled off at the top end.
This needs to be cost effective and non-resonant.
Maybe Plywood over the concrete would even the response, and then the right paint over that might improve matters further.
Any thoughts?
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March 1, 2021, 05:40 PM #2
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- Aug 2014
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Re: Building a listening room
hi and welcome!
are you planing on becoming a manufacture?
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March 1, 2021, 05:48 PM #3
Re: Building a listening room
Welcome to AS Emmett!
_______________
Mike
Amplification: MBL 6010D, MBL 9008A Monos
Analog: Kuzma R, Kuzma 4Point (11”), MSL Ultra Eminent EX
Phono Pre: Pass XP-27
Digital: Esoteric N01XD Esoteric K05
Speakers: MBL 101E MKII
Subwoofers: REL Carbon Specials
Conditioner: Shunyata Triton 3
Power Cables: Shunyata Sigma 1 & 2, Alpha 2, Delta and Venom
ICs and SCs: Wireworld Platinum 8
Rack: Artesania Exoteryc
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March 1, 2021, 06:10 PM #4
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Re: Building a listening room
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March 1, 2021, 07:58 PM #5
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- Jun 2019
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- USA
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Re: Building a listening room
Do you need it for listening or measuring purposes ?
Sent from my iPhone using Tapatalk
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March 2, 2021, 04:49 AM #6
Re: Building a listening room
Welcome to the Forum
Flemming
Lumin X1
Rotel Michi S5
Focus Audio FS788
Inter connect : Nordost Tyr 2 ( 2 Meter )
LS cable : Yter
Power Cables : Nordost Frey 2 ( 2 Meter )
Nordost QB8
Fibercable for feeding the Lumin X1
Rack : Finite Elemente Pagode
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March 2, 2021, 06:51 AM #7
Re: Building a listening room
A very warm welcome to Audioshark Emmett.
A great sounding audio room takes quite a commitment in terms of time and money. I know this to be true because I’ve built a couple of audio rooms and written about the experience here.
The good news is you are starting with a space of almost 11500 cubic feet in volume – which is great. Large spaces are much easier to work with as they naturally have a flatter low frequency response.
The challenge with audio rooms is rarely rolled off top ends. More usually the challenges are at low frequencies and based on your room dimensions I’m picking you will have a bump at 75-80Hz where clubbing of room modes occur.
However, given the concrete walls and floors, you are dealing with a highly reflective space and untreated reflections (especially early ones) can muddy the sound. Clap your hands in the room and you will hear flutter echo as soundwaves bounce back and forth between parallel untreated surfaces. The longer the sound lingers the more critical the need for acoustic treatments.
That said, not all reflections are bad. A judgement needs to be made. Because of this I tend to agree with Nicoff’s advice – talk to professionals in the field. In the finish you need a room that promotes the quality of your speakers – not the deficiencies of the room.Borresen Acoustics Loudspeakers, Borresen Model 01 Compact monitor loudspeakers with Ansuz Darkz T2s Supreme resonance control, Audio Video Manufaktur GmbH (AVM) Inspiration amplifier & streamer, Innuos Zen MKII music server, Ansuz Acoustics cables & accessories. Please visit my system thread hosted on Audioshark for more details. Disclosure: The author is materially connected to Ansuz, Aavik & Borresen Acoustics via friendship with an owner.
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March 2, 2021, 03:19 PM #8
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Re: Building a listening room
Thanks Kiwi. I don't think there will be early reflections given that the speakers will be 6 feet from the side walls.
What do you think about the high frequency response of concrete?
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March 2, 2021, 03:52 PM #9
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Re: Building a listening room
depends on the structure of it.
however, with respect, you will have a hard and long time becoming a sucsessful speaker manufacture.
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March 23, 2021, 08:04 PM #10
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- Oregon
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Re: Building a listening room
Wow, that would be a very nice sized room to work with. The clearest evaluation potential for speakers in any given room is to ensure the speakers are positioned in AN optimal and preferrably THE location within the room. This is how speakers are tuned acoustically to a given room. By dialing them in acoustically which comes by finding the ideal position.
If/when this happens your speakers bass will transform from an average bass into a superior / musical bass few seem aware of. Moreover, at the time a few other ancillary benefits wil to light including a significantly more balanced and warm presentation and with not just more pronounced, impacting, deeper, and more well-defined bass, but you should also hear more bass notes that were inaudible when the speakers were placed in an inferior position.
It's not easy finding an optimal or the optimal speaker location and in fact it can be perhaps the most difficult thing to accomplish in high-end audio. In one room it took me 9 months of moving the speakers around 1/2 inch here or there before finding it. But bear in mind I was only moving the speakers a few times each week. But I'm convinced every speaker / room combination has an ideal location for acoustically tuning them and for the diligent types, they will find it eventually. And if you do, it's pretty incredible to listen to with every listening session.
The best news is it's free and does not require any custom room acoustic treatments whatsoever. All one needs is a reasonble room and by that I would include:
- a solid flooring system. Concrete is excellent. If any sub-flooring goes on top of the concrete it should not be free floating but anchored or glued to the concrete.
- wall-to-wall carpet and pad.
- a minimum amount of carefully chosen chairs, sofa's, ottomans, etc.
- some artwork on the walls preferably without reflective surfaces but no big deal if they do.
- with a room that size I would definitely consider a few smaller trees purely for aesthetics perhaps at the front wall behind the speakers, etc.
But that's really about it. Besides most of your time will be spent trying to find the optimal speaker positions anyway."The more I dabble with extreme forms of electrical mgmt and extreme forms of vibration mgmt, the more I’m convinced it’s all just variations of managing mechanical energy. Or was it all just variations of managing electrical energy? No, it’s all just variations of managing mechanical energy. No, wait. It's all just variations of managing electrical energy" -me
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March 24, 2021, 09:15 AM #11
Re: Building a listening room
Sounds like you have a plan.
2chl : Vincent Sp331MkII, W4S STP-SE Stage 2, Kef 201/2, KEF 140, Vapor Breeze, Lumin, Bryston CD, BHA-1, Quicksilver Headamp, HD650, HD800s, HD820's, Dan Clark 1.1, Focal Stellia, OPPO 203, 105. ( Boxed up: Pass Xa-30.5, VPI Classic, Dynavector DV-20XL, Manley Chinook, Cadenza Bronze)
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AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
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Audioshark is a community of like minded individuals. Audioshark welcomes participation from all manufacturers and owners of all brands and products. It is our belief that online forums provide a community of like minded audiophiles and music lovers to encourage the growth of this wonderful hobby.
Sincerely,
The Audioshark.org Team
AudioShark forum is a leading forum site for High End Audio Discussion, Stereo System Discussion, Home Theater System Discussion, Best Home Stereo System Discussion, Home Theater Installation Discussion etc.
The AudioShark forum was created for sharing the passion of high-end Audio. We have Audiophiles from all over the world participating and sharing their knowledge. From novice to experts, you will find a friendly environment for discussing about High End Audio, Stereo System, Home Theater System, Home Stereo System, Home Theater Installation, Amplifiers, Speakers, Subwoofers, Integrated System, Acoustic treatments & Digital Room Corrections and many more.
At AudioShark, we also have incorporated an exciting Marketplace where members can peruse terrific buys on used gear, as well as meet dealers and discuss the purchase of new gear.
We are as crazy about this hobby as you are! So come on in and join us! Audioshark.org the Friendliest Audio Forum!
Industry Participation Disclosure : The owner and administrator of Audioshark is the owner of Suncoast Audio LLC in Sarasota Florida. Suncoast Audio has a full brick and mortar presence in Sarasota with several great show rooms with many world class brands. More information can be found at http://www.suncoastaudio.com
Audioshark is a community of like minded individuals. Audioshark welcomes participation from all manufacturers and owners of all brands and products. It is our belief that online forums provide a community of like minded audiophiles and music lovers to encourage the growth of this wonderful hobby.
Sincerely,
The Audioshark.org Team
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