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Old 22nd May 2012, 10:36 AM   #7051
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Default Panasonic, Rubycom and Nichicon

Try one of these ones.

Rifa will work fine too.

regards,

Carlos

....................................

Gonna try to do it Duda.

Thanks.

Carlos
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Old 4th June 2012, 11:08 AM   #7052
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Default The small prototype board to Dx Super A is ready to solder

I will met Doctor to ask permission to be sitted for long time.

To the ones does not know uncle Charlie, this is to be soldered at the copper side...you see that solder was melted already, preparing the surface to easy accept component terminals... this method is easier, you can inspect the circuit while soldering...you have not the copper tracks in the other side needing transparency, or lamp below to watch lines...here, all copper lines (tracks) are there for you to see.

To produce prototype there's no better way...no bad contact as you have in protoboard, no mess of wires...if you try once, i am sure you will never try the other way to prototype, because it is the easiest and most practical way to do.... there are some simple skills needed...have to solder from the left to the right if you are right handed..doing this way, soldering iron tip will not burn component cases.

Of course, when ready, adjusted, passed...then you produce the standard board style, with holes, silk screen and whatever you want/need.... this is for prototype.

regards,

Carlos
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Last edited by destroyer X; 4th June 2012 at 11:15 AM.
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Old 16th June 2012, 10:45 AM   #7053
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Default Please, do not build the Dx Super A module for a while..i have made a big mistake

I forgot important connections to the board that makes the circuit to operate dinamically...it was operating statically alike a bias trimpot.... no feedback was beeing readed and no dinamics biasing was actuating.

Because of that, please, wait further testings to assemble you unit.

Here you have a video informing what is going wrong...i forgot the X shape white wires you see...jumpers to the board i forgot:

Do not assemble Dx Super A for a while - YouTube

Next amplifier to be connected and tested together the Dx Super A module will be the Dx Blame ST..and them i will assemble the Dx amplifier to test together the standard unit.

regards,

Carlos
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Old 12th July 2012, 04:34 AM   #7054
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Carlos!

I finished the building of one Channel of the DX Amp TODAY. Man... What a good amplifier!

I used a SRPP preamplifier before the DxAmp and the sound is amazing!

My best to you!

PS: I did a post on my blog about your amp here: Felipe Navarro

Kind regards,
Felipe Navarro
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Old 12th July 2012, 10:20 PM   #7055
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Default Good, i hope you enjoy it.

The Dx Blame ST is much better in sonics....more ballanced related bass and treble, better dinamics, smaller distortion...overall superior quality.

I do still love the Dx standard amplifiers...but since you compare you start to perceive it has something less in the high end.....and some lovely excess of bass.

regards,

Carlos
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Old 1st September 2012, 07:06 PM   #7056
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Default Hehehehhe... this amplifier is nice for bass

It is a little bit loosen.... say "out of control"..... deep and loooooonnnng.

I love it because of that bass.

A friend have published a video about it... see it here:

DIY Dx Amplifier powering my 12inch mtx sub - YouTube

regards,

Carlos
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Old 1st September 2012, 07:18 PM   #7057
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Default Wanna be happy?... then build a Dx amplifier

They are guaranteed!

Dx Amplifier sounds good! - YouTube

regards,

Carlos
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Old 1st September 2012, 07:19 PM   #7058
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Carlos,

I'm buying the last version of my DXAmp to put it on a chassis.

Click the image to open in full size.


I have a 30+30 8A transformer here. Could I use this transformer with the DX Amplifier? Now I'm using a transformer of a old PX power supply, but the transformer have a problem cause it heats up after some time of using.
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Old 1st September 2012, 07:21 PM   #7059
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Are you joking, Carlos ? On this desk, speaker produce not bass, but only good farts....and maybe yours are better at this place...
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Old 1st September 2012, 07:25 PM   #7060
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Default Ahahahahah.... big farts Epupa...more than your amplifier can produce!

Ahahahahahah!.... that video does not show a very good bass because the camera is unable to record deep low frequencies... so...it sounds like a fart as you said.... really sounds this way..but i know this is due to the camera's audio recording...for sure it is:

http://www.youtube.com/watch?v=k-he3...eature=related

Blame series are more precise...no doubts about that.... these Dx Amplifier (standard) pcboards are pirate copies from China...i do not know how they sound in the reality as i have not tested...but it looks the camera have messed with the bass....this music also sounds like a fart too.

The more modern ones...the Blame series...are so good that you can smell

A good plastic surgeon can tune your expanded exaust Epupa, then the noise will be better than this one you use to listen.

regards,

Carlos
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Last edited by destroyer X; 1st September 2012 at 07:40 PM.
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