Great links for Room Treatment Info

I thought a great topic might be one where we could post links to sites, books, videos, etc. with helpful info on audio room building and treatments. I promise to soon go back through my reasearch two years ago to share my sources. But right now…

I just received an email from the Audiophile Society. For those of you unfamiliar with it, it’s a unique thing, or at least different than most stuff I’ve seen in the hi-end audio world. You’re probably familiar with the work of David Chesky (Chesky Records, HD Tracks) who is not only gifted in the area of producing some of the greatest audiophile-grade recordings over the past almost 40 years, but he’s also pretty darn good as a composer and performer of jazz and modern classical music. The Audiophile Society seems to almost be a “personal” project of his. To be a member, it’s an extravagent $3 every 3 months to get the benefits. And the best benefit is half-price on downloads, many that aren’t on streaming services. So about $9 to download a great recording at anywhere from CD to DSD quality (take your pick).

The email I received includes the following from Chesky. I wish it were more, but it’s sure a good start for thinking about the role of the room.

Room Treatment: The Most Overlooked Element in High-End Audio
I’ve been to countless hi-fi shows, and time after time, I’m appalled by how many multi-million dollar systems sound disappointing. Why? One reason: bad rooms.

The single most important element in any audio system is the room. If your room isn’t right, there’s no point in setting up a hi-fi rig—no matter how expensive it is. You could have the best gear in the world, but if you put it in a glass room with stone floors, it doesn’t stand a chance. The sound will be harsh, smeared, and fundamentally flawed.

A well-designed room should strike a balance: approximately 50% soft, 50% hard and diffusive surfaces. This allows you to hear what your speakers are actually producing—not the chaotic reflections and artifacts caused by poor acoustics.

Bad rooms smear impulse response and add excess reverberation, which leads to comb filtering and unpredictable tonal coloration. It destroys clarity and imaging.

Personally, I like to set up in a 60-degree triangle and stay in the nearfield to minimize room interference as much as possible. That way, the room is removed from the equation and you’re hearing the source as directly as possible.

We’re currently working on a speaker setup test that will help you optimize this process in your own space. Until then, remember: it’s not about how much your gear costs—it’s about how well it’s set up.

And sadly, many hotel rooms at audio shows are the worst possible environments. Don’t judge a system until you’ve heard it in a properly treated space.

David Chesky

I’m looking forward to their new speaker setup test, whatever that includes.

Here’s something funny, showing how poorly my brain works: not only was there an email about Room treatment from Audiophile Society, lo and behold, I found ANOTHER email on the same day about rooms… until I realized, it was about ROON. Yeah, we’re going to have to be careful in this section - I guess there are things in Roon that can help your room, but…

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Buy it. You won’t regret it.

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Just ordered this.

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Hey, haven’t seen you around in a while. Hope things are going OK. Glad to see you back.

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I’m good, thank you. How are you liking your new gear? I’ve been buying cables from Pine Tree and man what a nice improvement they have made. I’m waiting now for their Iso power filter with a Scorpion power cable to go with it. Hoping it’s here next week. Thanks again for turning me on to Pine Tree!

My current speaker cables are Pine Tree Audio Shadow Ribbons.

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Nice! I plan on buying speaker cables from them at some point. I look foreword to comparing them with the cables I have now. I did buy a set of their Kinetic speaker cables so I could use the high level inputs on my sub. Another nice improvement…

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I am loving my new PS Audio gear more and more. The largest difference I have noticed are in dynamics - lowering that noise floor is really a bigger deal than I imagined. Roon seems to have improved my audio from my library a little, but I’m really glad Qobuz introduced its Connect system and PSA upgraded the AirLens firmware to work with QC. I’m still struggling a bit with a touch of harshness, but I think it’s a trade-off with better resolution, if that makes sense. My ears are still getting used to it. And glad you’re liking the Pine Tree cables. In a recent discussion of one of Paul’s daily email Posts, I was saying how I’m very hard-pressed to tell the difference between one set of cables or one other improvement I make, but when combined, I hear it. When upgrading to either a Pine Tree interconnect OR a speaker cable OR a power cable, my ears aren’t good enough, but doing ALL THREE and I get it. And for very reasonable prices.

I’ve been eyeing those ribbons. Maybe if I upgrade speakers I’ll go to those. If nothing else, they’ll get the attention of someone coming to sit in my listening room who as usual only knows enough about audio to see those cable look different and trust me that the sound they’re hearing must be better although they have no idea what’s different about it.

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Excellent! My system had a bit of harshness until I replaced the USB cable between the PC and Matrix and also the balanced cables between the amp and pre both at the same time. This really cleaned up the harshness I was hearing. When I replaced the HDMI cable between the Matrix and the Gain Cell DAC there was a gain in treble though small. Upgrading the power cords added more clarity and openness and utilizing the high level inputs on the sub tightened up the bass and the bass seems less bloated. I have to wonder if the harshness is one of your cables? I don’t remember if you had replaced them all or not.

As far as hearing differences between cables my only experience is replacing stock cables with the cables from Pine Tree so I’m not sure how well I could hear differences between two different cables of good quality. I will test myself at some point though when I buy speaker cables from Pine Tree. I have good speaker cables now made by NRG Custom Cables but plan on testing them against a set from Pine Tree. The prices fit my budget well.