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Old 6th August 2008, 01:30 PM   #11
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Join Date: Aug 2002
Location: Germany
Hi forr,
I simulated this version and the version that is referenced to the output: both were worse than no cascode at all!
Rüdiger
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"I can feel what's going on inside a piece of electronic equipment. I have a sense that I know what's going on inside the transistors." Robert Moog
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Old 6th August 2008, 04:28 PM   #12
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Join Date: Oct 2004
Hi!Onvinyl:
Sorry for delay reply.
Because my English is so bad,
In the audio circuit, I prefer built two circuit, and test and listen to them, I like the sound of "cascode",
It sound clear but soft,
Some people love tube, if test tube, we can see big THD.
I think, some time, some distortion will let the sound more beautiful.
This circuit is so simple, you can built and test,and listen.
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Old 14th August 2008, 04:43 AM   #13
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Join Date: Oct 2004
Before 8-31, buy our OPA-SUN, present same amount OPA-EARTH,

Buy 1 unit SUN, present 1 unit EARTH,
Buy 2 unit Sun, present 2 unit EARTH,

I hope more people to try our products
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Old 23rd August 2008, 12:08 AM   #14
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Join Date: Aug 2004
Location: France
Quote:
Originally posted by audio-gd
Before 8-31, buy our OPA-SUN, present same amount OPA-EARTH,

Buy 1 unit SUN, present 1 unit EARTH,
Buy 2 unit Sun, present 2 unit EARTH,

I hope more people to try our products
how to order to get that?

cheers
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Old 23rd August 2008, 05:19 AM   #15
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Join Date: Oct 2004
Here is some customers feedbacks
http://www.head-fi.org/forums/f5/rev.../index565.html

and here is our web
http://www.audio-gd.com/En%20audio-gd.htm
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Old 23rd August 2008, 06:28 AM   #16
diyAudio Member
 
Join Date: Mar 2008
Quote:
Originally posted by audio-gd
Before 8-31, buy our OPA-SUN, present same amount OPA-EARTH,

Buy 1 unit SUN, present 1 unit EARTH,
Buy 2 unit Sun, present 2 unit EARTH,


If I send you the money for 2 Sun units, you will send 4 units, which 2 are as a gift ? (EARTH)

^^
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Old 23rd August 2008, 08:34 AM   #17
xaudiox is offline xaudiox  Philippines
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Join Date: Jul 2006
Quote:
Originally posted by Predator864



If I send you the money for 2 Sun units, you will send 4 units, which 2 are as a gift ? (EARTH)

^^
yeah would like to know the answer aswell..and how much shipping to philippines? thanks


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Old 23rd August 2008, 01:12 PM   #18
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Join Date: Oct 2004
Thanks attention.
Please send E-mail to
audio-gd@126.com
We will reply you soon.
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Old 15th September 2008, 03:11 PM   #19
tomat is offline tomat  Indonesia
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Join Date: Dec 2007
Location: east java
are opamp earth & sun availiable now?how much is the price now?

thanks
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Old 15th September 2008, 03:22 PM   #20
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Join Date: Oct 2004
Default Hi!

Yes, we have in stock, and we have new OPA-Moon at later 2-5 days,
and We have SUN new version,

In September, we offer accelerate price is buy 2 EARTH or SUN, free 1 Moon.
More inform in here:
http://www.audio-gd.com/enweb/pro/diy/OPA.htm
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