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ZEN OPEN BAFFLES (Read 6782 times)
Steve Deckert
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If the 1st watt
sucks why continue?

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ZEN OPEN BAFFLES
10/16/07 at 01:50:53
 
There is a thread in the speaker builders forum I started some months back regarding an Open Baffle speaker design that is completely unique.  I'm just really excited right now with the rather positive results of this project as it enters part II of it's development cycle.

If anyone is interested the articles are here:

PART I - http://www.decware.com/paper92.htm

PART II - http://www.decware.com/paper93.htm

Plans for this speaker will become available at the end of its development cycle.

Steve
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Brian
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Re: ZEN OPEN BAFFLES
Reply #1 - 10/16/07 at 01:55:21
 
Wonderful!  What an exciting speaker!
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bo
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Re: ZEN OPEN BAFFLES
Reply #2 - 11/01/07 at 13:55:39
 
WOW, just what Iíve been waiting for!

I still have my Select and love it but I fell in love with a friends Alon Oneís which are partly open baffle and unfortunately the Select canít drive them. I have a second amp (15wpc SET) that drives them surprisingly well and use my Parkers with the custom Select. Iím not buying my buddies Alons but will eventually buy ones just like them or something similar.

These sound like something Iíll want to hear.


This is a shot of my new audio den. Theses a big 1080i Panny 50Ē plasma going up above the fireplace. Its once of the best sounding systems and rooms Iíve had so far.






BTW: To my old friends here, nice too be back. Iíve been busy getting divorced. Who knew how much work it is. Its been the music thatís got me through most of it (and a new GF doesnít hurt Wink )

Thanksí Steve for your consistent efforts to make us happy.


Be good all,
Steve (aka; boead)

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« Last Edit: 11/01/07 at 13:58:12 by bo »  

fate is not just whose cooking smells good but which way the wind blows
Decware Custom Select/ParkerAudio 95sigs, McAlister SE32 SET/Alon Model 2's, McAlister PL-10 pre, Arcam FMJ CD23T, KRK V12S sub, ScottNixon USBTD and other assorted wire and all sorts.
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Lon
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Re: ZEN OPEN BAFFLES
Reply #3 - 11/01/07 at 14:59:24
 
Welcome back Bo!
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Decware:ERR,HR-1,ZP3,CSP2+,Torii Mk III,PS Audio PWT+DS,PowerBases,PPP,AC-12 pcs, Denon DBP-A100, Denon DCD-A100,Rega RP3 +TTPSU,white belt+Exact2, VooDoo Cable:Evo,Ultra Linear, Iso-PodMapleshade:Double Heiix Plus.Samsonv2+v3 +4" platforms,Herbie's Iso-Cup
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Gexter
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Re: ZEN OPEN BAFFLES
Reply #4 - 11/02/07 at 00:43:04
 
Nice!
boy its nice to have Bo back.
I wuz wondering fer awhile
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Hotsauce
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Re: ZEN OPEN BAFFLES
Reply #5 - 11/02/07 at 02:17:42
 
Boead:

I might steal an idea I see in your room.  The wooden shutters over the window.

John C.

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bo
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Re: ZEN OPEN BAFFLES
Reply #6 - 11/02/07 at 05:01:52
 
You guys are the best on the web!

Yeah, really got my life back on track. Got back into shape, both in body and mind. Attracting all sorts of beautiful women and found a great one! Wow, lifeís exciting again. Well, it was always somewhat exciting but now its very exciting, its amazing what new kitty will do to you after 15 years! Spent a part of the summer on my buddies 34í sailboat out in Montauk, building a new audio system and getting into TV program producing and editing. Iíve been busy. I might have not been posting but Iíve been checking in now and zen.

John, the shutters work well. Also the walls are thick wood with lots of surface texture, works great for diffusion. The room has no sonex so far and I donít think it needs much, maybe just some corner bass traps. I always had this big HiDef CRT in-between the speakers which I never liked. Now I have the fireplace which is much better. Now if I just get this damn Panasonic Plasma already!! Itís all ready to go. I hope the fireplace doesnít F it up.

The amp (a McAlister SE32) is very good. I have a first off model with this new iron peter built and used. He had Paul Candy from 6Moons hear MY amp prior to shipping it to me and Paul was extremely impressed, so much so he bought one from Peter after just a short listen. Heís replacing his Belles 150Aís with it. He also has Peters PL10 preamp which I also own. Wonderful synergy. Its 16wpc using 4 sweep tubes and a pair of 12SN7ís for input, the rest are for the poser supply section thatís unique to Peter, tube rectified. It can EASILY drive the Alons which are rated at 86db. Not bad for 16 watts. Gives a Rogue Stereo90 a good hard run with a fraction of the Ďwattsí ! If the first watt sucksÖ  

Here is a cool article; http://www.6moons.com/audioreviews/silverfi2/silverfi.html The photo at the end shows Peter and Paul at Paulís place.

Still the Decware Select I have is amazing, especially with the Parkers 95sigs. Loads of detail with that signature Decware sound thatís so alluring. I may sell the Custom Select I have (built and voiced by both Ed Vaughn and Steve D.) and the Parkers (built by Zigi), let someone else enjoy them. I like what Steve builds and will certainly buy product from him again. Likely those OBís when they are done! Just needed a change for a while.

Hey Steve; how about a Zen USB DAC??!! I like my Scott Nixon a lot but something tells me Iíd like yours better.

Look forward to hearing from many of you.

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fate is not just whose cooking smells good but which way the wind blows
Decware Custom Select/ParkerAudio 95sigs, McAlister SE32 SET/Alon Model 2's, McAlister PL-10 pre, Arcam FMJ CD23T, KRK V12S sub, ScottNixon USBTD and other assorted wire and all sorts.
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Brian
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Re: ZEN OPEN BAFFLES
Reply #7 - 11/02/07 at 16:24:25
 
That's a handsome den Bo.  
Best wishes for your personal life.  I hate for anyone to have troubles.  
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fintail66
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Re: ZEN OPEN BAFFLES
Reply #8 - 11/14/07 at 22:42:01
 
Dear Mr. Decker,

I am new to this forum, motivated to join it by your fascinating Zen open baffle essays...  I love the open baffle sound, and I think your remedy for their main deficiency is brilliant. I am eager to build some version of your design, but imagine that the precise details - particularly the design of the resonator throat and its associated capacitor - are critical.

Could you reveal a little more detail about these elements of the design?

I would like to build a workhorse version of your design with interchangeable baffles for 6", 8", 10" and (perhaps even 12") drivers using spruce tonewood for the resonant cavity. I am building a collection of field coil full-range drivers that I would like to test in this device, both as a learning experience, and to find a speaker for my mono system that I can settle down with for the long term.

Thank you for sharing the fruits of your fascinating labors,

Sincerely,

Aron Branscomb

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paulc
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Re: ZEN OPEN BAFFLES
Reply #9 - 11/14/07 at 23:07:19
 
Welcome Aron.

I have listened to many of the currently popular OB speakers and own a set.  After hearing the Zen Open Baffles, I feel Mr. Deckert may need to visit the patent office.

dennis
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darkelf
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Re: ZEN OPEN BAFFLES
Reply #10 - 11/14/07 at 23:24:19
 
fintail66 wrote on 11/14/07 at 22:42:01:
Dear Mr. Decker,

I am new to this forum, motivated to join it by your fascinating Zen open baffle essays...  I love the open baffle sound, and I think your remedy for their main deficiency is brilliant. I am eager to build some version of your design, but imagine that the precise details - particularly the design of the resonator throat and its associated capacitor - are critical.


Mis-quote: We don't need no stinking cap.Scotty
Mark me down for the 2nd set of open baffle speakers
you build (Decware).[1]
I am not sure but I just measured the low end
of the music room and I seem to have 50 to 70 Hz
peaking.[2]In my case a low bass level may be a good
thing.The open baffle looks like a killer design[3]
better than other lowish cost speakers.
I just hope it is not more than 14 1/2 inches wide
as that is all the room I have for speakers in my apartment.

[1]I am tempted to cancel my NFX order
and just wait for the Open Baffle.Of course the 1st
set is Decware's working protypes.
[2] I can't tell if it room bounce or too big a box for my speakers.
[3] Everything is bookcase speakers it seems
on the market about 120HZ+. (Fostex drivers)
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« Last Edit: 11/15/07 at 01:20:11 by darkelf »  
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Yoda
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Re: ZEN OPEN BAFFLES
Reply #11 - 11/14/07 at 23:59:34
 
I've been following this one and am looking forward to its refinement and permutations.  One thought I have been wondering about is using 2 drivers  in the panel - a DFR-8 and a higher Qts bass specific driver (on a separate amp) w/ resonator similar to this design to extend the lower range.  Of course, there goes the beauty of the single full range....

Its hard to tear apart my system now that it sounds so good w/ the HDT's that I'm still playing with!
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Decware HDT-Alt tuning, Hagtech Cymbals
Hagerman: Chime Gold DAC; Castanet Line Stage; Cornet II, Piccolo, Thorens TD160 w/ Rega Rb300; Oracle Alexandria II TT, Mayware F4 arm w/Soundsmith-Denon dl-103, Yamaha T-1 Tuner
Many fostex experiments....
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opnly_bafld
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Re: ZEN OPEN BAFFLES
Reply #12 - 11/15/07 at 00:40:20
 
Yoda wrote on 11/14/07 at 23:59:34:
I've been following this one and am looking forward to its refinement and permutations.  One thought I have been wondering about is using 2 drivers  in the panel - a DFR-8 and a higher Qts bass specific driver (on a separate amp) w/ resonator similar to this design to extend the lower range.  Of course, there goes the beauty of the single full range....

Its hard to tear apart my system now that it sounds so good w/ the HDT's that I'm still playing with!


IMO the beauty of this design is that it opens up many options for supplementing the bass since it plays so low on its own.
A separate small baffle (or 2) with a high qts bass driver can be used or if you already have a good musical sub you can use it.
Stereo or mono can be a matter of personal choice instead of necessity because the "bass helper" drivers have to play so high.

These speakers do everything you expect from a single driver speaker and from an open baffle speaker,
the only problem is they do something you don't expect from a single driver open baffle speaker,
they have decent bass.  ;)

Lin
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darkelf
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Re: ZEN OPEN BAFFLES
Reply #13 - 11/15/07 at 01:50:51
 
opnly_bafld wrote on 11/15/07 at 00:40:20:
These speakers do everything you expect from a single driver speaker and from an open baffle speaker,
the only problem is they do something you don't expect from a single driver open baffle speaker,
they have decent bass.  ;)

Lin  

I rather think of decware's speakers as speakers done right.
In my quest for Hi-Fi stereo I am finding out how BAD speakers
can be or should I say were. The only two places that discuss
quality audio is here and Nutshell High Fidelity. Both places are
people that build speakers and don't lie like used car salesmen
when it comes to what their speakers do or don't do.
I am not sure just what real BASS is, but it has to be better than AM radio and that is around as guess 100Hz to 4Khz.
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Brian
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Re: ZEN OPEN BAFFLES
Reply #14 - 11/16/07 at 00:15:36
 
Darkelf,
The acoustic capacitor is explained in paper 92.
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