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PostPosted: Sat Apr 01, 2017 4:38 pm 
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Location: OTTAWA, ON, CA
Check it out this listening room.

http://www.burwenaudio.com/Sound_System.html


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PostPosted: Sat Apr 01, 2017 4:59 pm 
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Ya, but the mirror disco balls? Really?.....


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PostPosted: Sat Apr 01, 2017 5:13 pm 
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dcrooks wrote:
Ya, but the mirror disco balls? Really?.....

Don't care much about the mirror balls, there are 3 drums, one each on the floor in front the horn...don't know what they are for...still search and read about this man. He is one of a kind...so many designs and achievements he has just understand he is different than us.

http://www.burwenaudio.com/Biography.html


Last edited by tohifi on Sat Apr 01, 2017 5:26 pm, edited 1 time in total.

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PostPosted: Sat Apr 01, 2017 5:23 pm 
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Location: Medicine Hat, AB, CA
dcrooks wrote:
Ya, but the mirror disco balls? Really?.....


Apparently disco still reigns for some. Stayin' alive, stayin' alive... :lol:


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PostPosted: Sat Apr 01, 2017 6:11 pm 
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tohifi wrote:
dcrooks wrote:
Ya, but the mirror disco balls? Really?.....

Don't care much about the mirror balls, there are 3 drums, one each on the floor in front the horn...don't know what they are for...still search and read about this man. He is one of a kind...so many designs and achievements he has just understand he is different than us.

http://www.burwenaudio.com/Biography.html



Amazing, what a guy.

I sure hope he did all that and partied!


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PostPosted: Wed Apr 18, 2018 6:18 am 
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Location: nobleford, AB, CA
The neatest one I ever saw pictures of the room was built into the basement of a home and the room was built inside the home. It was seperate and did not touch the house anywhere. They had three piling in the floor of the basement and the listening room sat on spikes on those pilings.


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PostPosted: Wed Apr 18, 2018 10:04 am 
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Location: Repentigny, QC, CA
http://www.burwenaudio.com/Sound_System.html

yes, those specs are extreme alright.
BUT, this:
Looking down on **** Burwen's Sound Studio built in 1965-1966, the plan has not changed. He designed it for 5 channels at that time and built his home around it. The left rear speaker horn contains a Lowry organ, now used as a sound diffuser, and the right rear horn holds a 125 year-old Steinway B piano. At the listening sofa the rear speakers deliver reflected sound.
WTF? He get bored of the decent sound he had laboriously created?

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PostPosted: Wed Apr 18, 2018 10:24 am 
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part 2
glad someone pointed this out!
He is 'good value' that Burwen; below is him, on tube amps. Not that I agree.

During my 60 years of designing circuits I designed a lot of vacuum tube, transistor, and switching power amplifiers and know how each performs. In the 1950's I designed the lowest distortion vacuum tube amplifier ever, the Krohn-Hite UF-101. It was rated at 50 Watts, 0.005% total harmonic distortion, 50 dB of negative feedback, and it sold in small quantities as a laboratory instrument for 20 years. Today I wouldn't take a vacuum tube amplifier as a gift. Why?

What you are really buying is not quality amplification but a high distortion equalizer. The lack of feedback in many of today's tube amplifiers gives the amplifier high distortion and a high internal output impedance, typically in the range of 1 to 5 ohms. At some frequencies such as the fundamental cone resonance, and crossover frequencies between drivers, the load impedance of the speaker rises. The voltage divider effect delivers more signal to the speaker terminals at these frequencies. With some amplifier-speaker combinations the effect on frequency response is very pleasing.

This load impedance effect was epitomized in the July, 2004 Stereophile review of the world's most expensive amplifier, the $350,000/pair Wavac SH-833, by Michael Fremer with measurements by John Atkinson, page 73. The curves clearly show up to 2 to10 dB of bass boost at 80 Hz depending upon the load impedance. The measured distortion is shameful for even the cheapest amplifier. A vacuum tube amplifier should really be regarded as a nice piece of furniture with wires, that glows in the dark. Use a real equalizer to improve the frequency response of your speakers!

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PostPosted: Wed Apr 18, 2018 1:37 pm 
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Wow an expert saying what I have been telling people all along. Use an equalizer to enhance the sound of your system.


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PostPosted: Wed Apr 18, 2018 6:20 pm 
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Is this thread a prank?
:?


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PostPosted: Wed Apr 18, 2018 6:51 pm 
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Old Rusty wrote:
Is this thread a prank?
:?


No. You can read his autobiography here http://www.burwenaudio.com/Biography.html He is a very interesting audio engineer.


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PostPosted: Wed Apr 18, 2018 7:31 pm 
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tube54 wrote:
Old Rusty wrote:
Is this thread a prank?
:?


No. You can read his autobiography here http://www.burwenaudio.com/Biography.html He is a very interesting audio engineer.


Far out!
8)


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PostPosted: Wed Apr 18, 2018 7:54 pm 
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We need Herb Reichert and Jana Dagdagan from Stereophile to get in there with their binaural recording gear and make another video of that place. I want to hear what it sounds like good or bad.

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PostPosted: Thu Apr 19, 2018 3:56 am 
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placing anything infront, or in the room, obviously affects sound.

i have no idea why drums would be placed there.

especially since they will vibrate and emit their own sound...
one of those look like a snare, if so - it will vibrate and rattle like heck.

as (dare i say) cool as it looks, i think he is living on a different planet.
perhaps a better way to describe it is "odd"...

*edit, I just read the article...Now I get it. the drums are merely decorative to tell the story of comparing the sound of a real drum to the recording...well, at least I think. almost blasphemy (cerwin vega components?) right up there with bose...guess the proof was in the pudding so to say...

the room design, essentially, is a series of horns - like a speaker itself.
passionate about sound? obsessed with sound? i thought i was bad! my gosh, married too?!


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PostPosted: Thu Apr 19, 2018 10:15 am 
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JGP wrote:
placing anything infront, or in the room, obviously affects sound.

i have no idea why drums would be placed there.

especially since they will vibrate and emit their own sound...
one of those look like a snare, if so - it will vibrate and rattle like heck.

as (dare i say) cool as it looks, i think he is living on a different planet.
perhaps a better way to describe it is "odd"...

*edit, I just read the article...Now I get it. the drums are merely decorative to tell the story of comparing the sound of a real drum to the recording...well, at least I think. almost blasphemy (cerwin vega components?) right up there with bose...guess the proof was in the pudding so to say...

the room design, essentially, is a series of horns - like a speaker itself.
passionate about sound? obsessed with sound? i thought i was bad! my gosh, married too?!


I think you just answered your own question with regards to the drum being placed in front of the speakers. Acoustically speaking the drum when it's stimulated from airborne vibration does add resonance and it does affect the overall acoustic behavior of the room by how much I don't know.


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