So, if you are literally one of the world's foremost authorities on loudspeakers, rooms, and acoustics - and have literally written the industry accepted book on the subject -- what components and speakers do you chose for your own personal home theater and listening room? And how do you address the acoustical requirements and challenges of what is very much a "real world" (vs. custom designed) listening space?
That's the question I recently had some first hand experience getting answers to, as I had the unique honor and privilege of providing some projection system advice and guidance for Dr. Floyd Toole's recent home theater "makeover." For anyone not familiar, Dr. Toole is as close as one can get to a celebrity or legend in sound reproduction circles, and for good reason. Dr. Toole was the one to spearhead the first scientifically-controlled study of sound / acoustics at the National Research Council in Canada, starting back in the 1970s - research that continues to this day at Harman labs, which is still the largest and best-equipped acoustics R&D facility in the world. Though Dr. Toole is now partially retired, his research program continues at Harman under the guidance of Floyd's colleague and protege, Dr. Sean Olive. And the results of this research are published and peer reviewed by the entire audio industry in the true spirit of science.
It cannot be overstated how much the work of Dr. Floyd Toole has advanced the legitimate state-of-the-art in accurate sound reproduction. Dr. Toole has published numerous papers in the journals of the Audio Engineering Society and the Acoustical Society of America, as well as the aforementioned "industry textbook" on acoustics, loudspeakers and rooms. A measurement technique based on his research in the 1980s and further developed in the Harman research group is now a core component in ANSI/CTA-2034-A (2015). “Standard Method of Measurement for In-Home Loudspeakers”, Consumer Technology Association, Technology and Standards Dept., www.CTA.tech. For his scientific contributions to the audio industry he has been recognized with:
· Two Audio Engineering Society (AES) Publications awards (1988, 1990)
· The AES Silver Medal award (1996) and the Gold Medal award (2013).
· CEDIA Lifetime Achievement award (2008)
· Beryllium Driver Lifetime Achievement award from ALMA (Association of Loudspeaker Manufacturing & Acoustics International) (2011)
· Inducted into the Consumer Technology Association Hall of Fame (2015)
· The Peter Barnett Award from the Institute of Acoustics (UK) (2017)
He is a Life Fellow and Past President of the AES, a Fellow of the Acoustical Society of America and a Fellow of CEDIA (Custom Electronic Design and Installation Association).
In addition to all of that, Floyd is a man with means and impeccable taste. This is all reflected in his component selection as well as the overall aesthetic of the room (all well documented below). In creating this system, Floyd did not spare expense, nor did he waste money on "snake oil" components that often clutter up so many other supposed "state-of-the-art" or "reference" systems. As a result, the system described below can very well be described as "scientifically justified high end" -- which also sums up the approach we have here at The Screening Room when it comes to our philosophy in designing audio and video systems. I am proud to say that a great many of the same exact components and speakers are being utilized in The Screening Room's Reference Showroom (which also happily doubles as my own personal home theater).
It is with tremendous honor I share with you the following guest blog post, courtesy of Dr. Floyd Toole himself. It was a true privilege to spend four solid days at Floyd's home, getting to know him and his lovely wife Noreen. The fact that I played even a small part in helping enhance the performance of Floyd's system makes this an even more unique and treasured memory.
Floyd, take it away!
The Toole’s Entertainment Room: 2019
A room for lovers of good sound and loudspeakers
Those who have read my new book will have learned that much of what has motivated my research over my 50 year career has been the challenge of delivering good sound in rooms - any room. Dedicated listening spaces like recording control rooms, custom home theaters and stereo installations are able to employ acoustical treatments and methods that are not friendly to décor in typical domestic rooms. In those spaces it is routine to compromise visual aesthetics for real or imagined acoustical benefits. The decision of whether to create a dedicated custom room or to adapt an existing room is a choice driven by one’s chosen lifestyle, family needs, available space and, of course, budget.
In my case, it was lifestyle. We had no need for a dedicated “escape”room, but instead wanted a multipurpose room that was relatively normal in appearance, usable for reading, conversation, casual TV viewing, background or foreground music, and, with room darkening shades, suitable for engaging big-screen movie experiences at any time of day. Ekornes Stressless seating fits human bodies and is easily moved into arrangements suiting different needs at different times. Small movable tables replace cupholders, which are not optimum for our preferred beverage: wine. Four subwoofers in a Sound Field Managed configuration eliminate the need for massive bass traps, which is a major advantage.
The following is a panoramic photo of the room (geometric distortion included) showing seating in the conversational mode. The equipment racks are on the right, under the projector opening - in what was a fireplace space in the original house.
The room was configured in 2000, as a 7.1 system. The front wall was deliberately constructed as a low-mid frequency sound scattering surface using display niches and other depth variations (including spaces behind the fabric covered doors) to alleviate the boundary effect for that wall. Two of the subwoofers are hidden in those cavities.
This became a huge advantage when I recently decided to wall mount the inverted Revel Salon2s to reduce their visual dominance - the huge loudspeakers retreat into the background visually, but remain firmly in place acoustically. The other loudspeakers in the room are clearly visible, which would be a deal breaker in many households. In this one, I am fortunate to have a wife who has long tolerated my hobby/profession, admitting that the audible rewards are enough to offset a certain amount of visual loudspeaker clutter. This system may have exceeded even those generous limits :-)
An in-ceiling loudspeaker is used as the Voice of God. Others could have replaced some or all of the elevation speakers. But, knowing that the direct sound has a dominant effect on timbre/sound quality I decided not to compromise, and used high quality bookshe