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Old 31st October 2012, 11:29 PM   #101
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Default I have reduced, original size was bigger

Each picture was 5 Megabytes.

regards,

Carlos
Attached Images
File Type: jpg DxSA-13.jpg (243.5 KB, 620 views)
File Type: jpg DxSA-14.jpg (423.6 KB, 573 views)
File Type: jpg DxSA-15.jpg (299.0 KB, 528 views)
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Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 31st October 2012, 11:31 PM   #102
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Default Last ones here

Enjoy.

Be happy,

Carlos
Attached Images
File Type: jpg DxSA-17.jpg (537.7 KB, 474 views)
File Type: jpg DxSA-18.jpg (755.5 KB, 426 views)
File Type: jpg DxSA-19.jpg (723.8 KB, 84 views)
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Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 1st November 2012, 08:11 AM   #103
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Default It is not that ugly today

Here you can see the mess is under control.

regards,

Carlos
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File Type: jpg Dx Super A - MKII - zwei (1).jpg (420.0 KB, 187 views)
File Type: jpg Dx Super A - MKII - zwei (2).jpg (353.5 KB, 186 views)
__________________
Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 1st November 2012, 08:45 PM   #104
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Default Have you heard this one?.....no?... so i suggest you to listen

Install a good amplifier and good speakers, insert the plug into your PC output jack, cranck the volume all the way up and be enjoy:

Dx Super A - MKII - good sound with poor speaker - YouTube

regards,

Carlos
__________________
Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 1st November 2012, 09:53 PM   #105
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Quote:
Originally Posted by destroyer X View Post
Here you can see the mess is under control.

regards,

Carlos
I love those pictures, But I noticed you are using very "weak" power supply. how much capacitance are you using?
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Old 1st November 2012, 10:09 PM   #106
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Default Yes....my capacitor stock finished....i am using some old units

from audio systems i have dismantled..... aproximatelly 10 thousand plus 10 thousands...it is just reasonable....tolerable to operate 8 ohms..but i know some powerfull bass tones are "dirty" because of mains noise...for sure this is happening..as i do not use to listen loud, then it is not bothering me.

regards,

Carlos
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Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 1st November 2012, 10:45 PM   #107
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20000uf it is not so bad, I though those were like 1000uf caps. When I build some power supplies I do not use more than 40000uf per rail (under 100 watts RMS per channel). I try many values from 1000uf to 40000uf per rail in many amps from 50/80 watts RMS per channel at 8 ohms and I like it around 20000uf per rail better. Right now my 70 watts RMS at 8ohms diy amp, I am using 6800uf X 4 total for my power supply and I love it. I was going for 20000uf per rail but since I shoot for a "small" integrated amp I did not have enough space to use four 10000uf caps. Take a look.
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File Type: jpg 563920_4011070590784_933694964_n.jpg (48.7 KB, 144 views)
File Type: jpg 003.JPG (713.8 KB, 250 views)
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Old 2nd November 2012, 05:10 AM   #108
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Default Looking good your H/D amplifier

Thank you.

regards,

Carlos
__________________
Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 2nd November 2012, 09:10 PM   #109
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Default Tweaking.... i love to do that.

Here you have a very fresh video..made 20 minutes ago:

Torture into the Dx Super A. - YouTube

regards,

Carlos
Attached Images
File Type: jpg Dx Super A - MKII - acht.jpg (234.9 KB, 213 views)
__________________
Dx Blame ST with a tube preamp. recorded with Xperia cell phone, https://www.youtube.com/watch?v=Qjs32J0gdj0; https://www.youtube.com/watch?v=nhrZ...vDnDhEpNv_XVxg
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Old 2nd November 2012, 09:50 PM   #110
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Quote:
Originally Posted by destroyer X View Post
Here you have a very fresh video..made 20 minutes ago:

Torture into the Dx Super A. - YouTube

regards,

Carlos
Very nice carlos! What are the transistors on top for? are you running it at 50vdc?
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