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HDT_DFR-8_Alternate Tuning Images (Read 10217 times)
RFZ_Quest
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Posts: 309
Re: HDT_DFR-8_Alternate Tuning Images
Reply #50 - 01/19/08 at 03:24:12
 
Quote:
“Did I mess up by building mine out of Russian Baltic Birch instead of MDF maybe? “


Absolutely not. If anything, the Baltic Birch should have enhanced the tonal structure of the cabinets. This allows for a livelier sound than the MDF alternative as used in stock models. Again, the structural resonant factor is of a different nature between these materials.

Quote:
“If you've got info that makes the HDTs come close, please share it...”


I already did as shown so descriptively above.

Thank you for your input. I hope that this has clarified any misunderstanding of my intention that may have eluded you or anyone else on this matter.
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serenechaos
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Re: HDT_DFR-8_Alternate Tuning Images
Reply #51 - 01/19/08 at 04:14:29
 
Same question.  
--specifically--
-- What did you do different--
I used Russian Baltic Birch.  
I used automotive undercoating to damp the insides, and the tubes.  
I used the foam as in the kits.  

Were these mistakes?  

What did you use to damp the cabinet walls?  
What did you use to damp the tubes?  
Did you use something different for foam?  

What did I do wrong?  
I built the corner horns and pretty much quit listening to the HDTs...  

I have spent many hours on room treatment; started with a clone of Steve's listening room, and went from there.  
(Including measuring it, and changing diffusion/absorbsion/traps until it came into line).  
I've been through quite a few amps, started with a Zen select (and yes, a PP with more watts is a lot more dynamic).  
Nothing is wrong with the Rek-0-Kut, just like nothing is wrong with a belt drive Teres, but a rim drive Teres is much better, and a direct drive is different again.  
Listening to them all back-to-back @ RMAF for a while convinced me.  

How is that going to change my speakers?  
Robert  :)  
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Corey
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Posts: 175
Re: HDT_DFR-8_Alternate Tuning Images
Reply #52 - 10/05/16 at 04:37:56
 
RFZ_Quest wrote:

"Three dimensional imaging produced by these speakers
 sets a new standard by which they are in a class of their
own. You can stand close to these speakers and still not be
able to lock on a direct projection of sound from the
speakers themselves. It is as though the sound  emanates
from a perimeter encircling the speakers rather than
actually coming out of them directly. This display of intense
imaging is so Omni -directional and seamless, that the mind
undergoes  an infusion of unique interplay while trying
to grasp the effect.

It takes a design with incredible speed and accuracy to pull
a trick like this off,  and I can tell you through experience
that I’ve yet to hear any contenders that compare on this
level.  Don’t let the box shape fool you. These speakers
may look like ordinary cabinets, but they absolutely sound
 nothing like that which ever came from an enclosed cabinet
design. The cabinets just simply disappear from existence,
as they truly do remain absolutely transparent."


First time I read this thread and must say that what you wrote here is true.

Corey

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Corey
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Posts: 175
Re: HDT_DFR-8_Alternate Tuning Images
Reply #53 - 10/05/16 at 04:47:28
 
RFZ_Quest wrote:

"IT IS UTTERLY CRUCIAL THAT A HIGH QUALITY ANALOG
SOURCE IS USED TO UNVEIL THIS DEGREE OF
PEFORMANCE!

DIGITAL WILL NOT PROVIDE THIS
LEVEL BY ANY OBTAINABLE MARGIN!!! PERIOD."


A master tube amp builder named Eddie Vaughn built me a 2A3 SET that was very warm, smooth and forgiving. The HDT's with digital and that amp still gave me a headache on some songs!  ::)

Corey
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