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-   -   Beautiful 8 Inch South Korean Fullrange Drivers (http://www.diyaudio.com/forums/full-range/186489-beautiful-8-inch-south-korean-fullrange-drivers.html)

thetubeguy1954 5th April 2011 09:44 PM

Beautiful 8 Inch South Korean Fullrange Drivers
 
http://img33.imageshack.us/img33/6756/splvsfreq.jpg


http://img825.imageshack.us/img825/6199/driver1.jpg


http://img846.imageshack.us/img846/3928/driver2.jpg


http://img690.imageshack.us/img690/5575/driver3x.jpg


http://img225.imageshack.us/img225/5...nenclosure.jpg


These beautiful 8in fullrange drivers from Sonodyne of South Korea are made with Hanji paper. Hanji is the name of traditional handmade paper from Korea is made from the inner bark of Paper Mulberry, a tree native to Korea that grows well on its rocky mountainsides, known in Korean as dak. The formation aid crucial to making hanji is the mucilage that oozes from the roots of Hibiscus manihot. This substance helps suspend the individual fibers in water.

These drivers sell for 800,000.00 Korean Won which is $735 USD a pair! Perhaps with their using the handmade Hanji paper and with these prices you can call these a poorman's Feastrex?

These are the only specs I could find for these SD-855 8 inche drivers.

* Revc = 5.800 Ohm
* Fo = 81.049 Hz
* Sd = 18.869ksqMM
* Vas = 22.107Ltr
* Cms = 437.189m M/N
* Mmd = 7.252m kg
* Mms = 8.742g
* BL = 7.470 TM
* Qms = 2.370
* Qes = 1.465
* Qts = 0.389
* Voice coil diameter = 25 mm


Tom Scata (thetubeguy1954)

ra7 5th April 2011 09:54 PM

Look pretty... it would interesting to know how they sound, considering they are made out of this exotic material.

Are these available to normal guys, like us?

amp_guy 5th April 2011 09:59 PM

Quote:

Originally Posted by ra7 (Post 2528801)
Look pretty... it would interesting to know how they sound, considering they are made out of this exotic material.

Are these available to normal guys, like us?

$735.00!!!!!! overpriced to the extreme
I am betting you could do better for a fraction of that elsewhere

thetubeguy1954 5th April 2011 10:06 PM

Quote:

Originally Posted by ra7 (Post 2528801)
Look pretty... it would interesting to know how they sound, considering they are made out of this exotic material.

Are these available to normal guys, like us?

Hello ra7

I've sent Sonodyne an email today asking that very question. I'll let you know when they reply what they say...

Thetubeguy1954

ra7 5th April 2011 10:29 PM

Quote:

Originally Posted by amp-guy (Post 2528808)
$735.00!!!!!! overpriced to the extreme
I am betting you could do better for a fraction of that elsewhere

They're close to the cheapest lowthers you can buy. Overpriced? Probably. Then again, what isn't?

Still much much lower than feastrex, lowther and many other full range drivers.

thetubeguy1954 5th April 2011 10:34 PM

Quote:

Originally Posted by amp-guy (Post 2528808)
$735.00!!!!!! overpriced to the extreme
I am betting you could do better for a fraction of that elsewhere

I'm curious amp-guy how did you divine they're overpriced to the extreme without ever hearing them? Was this conclusion simply divined out of then air or perhaps you used a crystal ball or a medium you consulted? I have to admit find it completely both ludicrous and asinine for anyone to immediately jump to such a conclusion about ANY audio component ---{be it an amp, speaker, wires etc}--- without having first heard it!

How do you know that Hanji paper isn't sonically better than the Washi paper used in Feastrex fullrange drivers everyone raves about? Guess what, if the Hanji is sonically superior to Washi it would make them an incredible value at $735pr compared to Feastrex's cheapest 8" drivers the D9nf which sell for $7950pr huh? However as I haven't heard either the Sonodyne SD-855 or the Feastrex D9nf fullrange drivers so unlike you I won't make myself look foolish commenting on their sonic merits or their value.

Thetubeguy1954

thetubeguy1954 5th April 2011 11:25 PM

Quote:

Originally Posted by ra7 (Post 2528835)
They're close to the cheapest lowthers you can buy. Overpriced? Probably. Then again, what isn't?

Still much much lower than feastrex, lowther and many other full range drivers.

These Sonodyne SD-855 eight inch drivers are actually less than 1/10th the cost of the cheapest Feastrex D9nf eight inch drivers and a little less than 1/2 of the cost of my $1800pr Fostex FE208ES-R eight inch drivers.

After listening to the FE208ES-R drivers for extended periods of time, I happen to believe they're a great value in light of their awesome sonic attributes! So "if" the Sonodyne SD-855 drivers are even close to the performance of the Fostex FE208ES-R drivers, I'd consider them a steal at $735pr and so would many other people who didn't manage to obtain one of the 250prs of Fostex FE208ES-R drivers ever made and that's a fact!

I cannot speak for anyone else, but considering their unique handmade Hanji paper and the fact that the paper is also the surround, I'm intriqued enough to have already inquired with Sonodyne about obtaining a pair of their SD-855 eight inch drivers...

Thetubeguy

auplater 5th April 2011 11:35 PM

in search of nirvana
 
So do they need special handmade cables to sound their best? And perhaps only exotic hand-crafted valve-based silk insulated electronics to deliver the ultimate in sound?

have you heard them?? How do you know they're worthy of such gushing accolades, oozing mucilage notwithstanding??

John L.

ra7 5th April 2011 11:37 PM

They're just interesting, that's all. At that price point, there are several other full range drivers, not just one or two. If they sound good, they're another option to consider.

And we don't know how they sound. Thetubeguy, keep us informed, if you do get your hands on a pair.

thetubeguy1954 6th April 2011 12:25 AM

Quote:

Originally Posted by auplater (Post 2528896)
So do they need special handmade cables to sound their best? And perhaps only exotic hand-crafted valve-based silk insulated electronics to deliver the ultimate in sound?

have you heard them?? How do you know they're worthy of such gushing accolades, oozing mucilage notwithstanding??

John L.

John,

Are you asking me this question? If you are you clearly missed where I plainly stated in my response to amp-guy "However as I haven't heard either the Sonodyne SD-855 or the Feastrex D9nf fullrange drivers so unlike you I won't make myself look foolish commenting on their sonic merits or their value." So no I obviously have not heard them. Perhaps you should read my posts completely or more closely?

In addition to answer the other questions you raised, yes like most high-quality speakers installed in highend audio systems, they'll probably benefit from, not need, high-quality ---{if that's special to you}--- cables be they handmade or not to sound their very best.

Most certainly with an exotic, hand-crafted, valve-based, high-quality, SET amp, the SD-855 drivers would ---{to the best of their capabilities}--- deliver the ultimate in sonic replication of music in ways solid state aficionados can only dream about!

Now what I actually did as opposed to making such gushing accolades as you claimed, was response to ra7 by stating the following points of fact:
  • These Sonodyne SD-855 eight inch drivers are actually less than 1/10th the cost of the cheapest Feastrex D9nf eight inch drivers. That's a fact.

  • They're a little less than 1/2 of the cost of my $1800pr Fostex FE208ES-R eight inch drivers. That's a fact.

  • After listening to the FE208ES-R drivers for extended periods of time, I happen to believe they're a great value in light of their awesome sonic attributes! That's a fact.

I then suggested "if" the Sonodyne SD-855 drivers are even close to the performance of the Fostex FE208ES-R drivers, I'd consider them a steal at $735pr and so would many other people who didn't manage to obtain one of the 250prs of Fostex FE208ES-R drivers ever made and that's a fact!

So please John show me where I was specifically providing such gushing accolades as you claimed, about these beautiful looking, Sonodyne SD-855 drivers.

Thetubeguy1954


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