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Old 15th October 2012, 08:29 PM   #7121
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You see that Carlos this is awesome! nice endia I like your style

Regards
vargas
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Old 15th October 2012, 09:19 PM   #7122
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@vargasmongo3435:

Do not forget and post the attached picture - and: No: this PCB does not have any errors.

Best regards - Rudi

P.S. Wind a coil around the resistor (!!) - resulting in a PI-filter!
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File Type: jpg Carlos.jpg (201.0 KB, 451 views)

Last edited by Rudi_Ratlos; 15th October 2012 at 09:42 PM.
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Old 15th October 2012, 09:42 PM   #7123
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Default Thank you Endia...... this was great...but really, Rudi has a very good one

already made,..... thank you anyway...nice cooperation...check for errors Endia, to avoid people frustrated trying and having mistakes that are very normal to happens.

I am uploading nice audio recording (video) using Dx Blame ST plus Dx Module Super A plus low pass filter (active) plus a circuit to Blend...all this into a cheap speaker... awesome result in my home.

I am feeling good... as i could do that..... this is an old dream...to make cheap speakers sound fine... because the opposite, good speaker, good room acoustics, good audio source...well...this way is easy!

regards,

Carlos
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Old 15th October 2012, 09:46 PM   #7124
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I wandering guys. what is the purpose of those inductors coils around the resistors I never ask before.

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vargas
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Old 15th October 2012, 10:03 PM   #7125
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Default They are filters Juan.

Please folks, observe a Dx Blame ST together a Super A module, plus an active low pass filter + blend circuit connected into a cheap speaker.

Resulted very good:

Dx Blame ST+ SuperA+Low pass+Blend+cheap speaker - YouTube

regards,

Carlos
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Old 15th October 2012, 10:21 PM   #7126
endia is offline endia  Turkey
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thanks all..
Carlos, in your psu bom, there are two sets of R7/R8 (3R3 and 33R). but first set is not shown in the schematic. should i omit the first set?
also i have 0.6 mm enamelled copper wire, may i use it instead of 1 mm? if it so how many turns should i do?
thanks..
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Old 15th October 2012, 10:36 PM   #7127
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Default 33 ohms is fine..... was an upgrade..... about turns

from 12 to 33 will be fine.... you decide if you want several layers or not.

Your wire will be good too...no problems..short lenght, even this smaller diameter wire will not create resistance.

This is not critical...it is there "just in case" you have noises in the rails...as usually we do not have noises in the rail...they do nothing almost all the time.

regards,

Carlos
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Old 15th October 2012, 10:39 PM   #7128
endia is offline endia  Turkey
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thank you Carlos..
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Old 16th October 2012, 12:55 PM   #7129
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Hey Rudi don't worry, I can not point out errors to your work you are a professional already, I have seen your work and is really well made design and beautiful, is me I'm still learning my man, and you can point out mistake of my layout and I don't even get mad I will say "thank dear friend now I can fixed"

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vargasmongo3435
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Old 22nd October 2012, 08:29 PM   #7130
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Hi Guys

Could you please tell me whats sound signature of that amplifier? Is it warm, engaging, fluid or rather cold, analytical sound? Dont know if anyone heard NAD 2030 and can compare? Or maybe other equipment?

Thank you
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