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MCA - Son of ZCA
http://diyaudioprojects.com/Forum/viewtopic.php?f=10&t=3942
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Author:  Makjoe [ 19 Sep 2016, 03:37 ]
Post subject:  Re: MCA - Son of ZCA

Well Max

I have one pic when I built zca , you know that is similar . Power supply have 33000uf x 2 and the choke is almost 9mh , not enought to headphones .



I DONT LIKE THE FAN to . My fault. jejeje

The bulbs , this is the 4th version jajaja.

Remember , just a box to check the components. :D


Regards.

Author:  Makjoe [ 19 Sep 2016, 03:45 ]
Post subject:  Re: MCA - Son of ZCA

Mark , to be clear .

I really really enjoy with this sound :thumbsup:

Author:  Makjoe [ 19 Sep 2016, 04:09 ]
Post subject:  Re: MCA - Son of ZCA

Mark , here the theorical testing . ;) and more or less how I have it . It's very curious the behaviour this circuit .
I am not very interested in distortion, my distorsion analyzer are my ears. :headphones: 8-)

I am waiting your new prototypes. :thumbsup:

Regards

Author:  max130 [ 19 Sep 2016, 04:26 ]
Post subject:  Re: MCA - Son of ZCA

Hi Makjoe
Thank you for the pictures, I always like to see how others make it.
And making an own chassis is always more difficult than buying one and make some holes in it.

Good work!

Author:  mwhouston [ 19 Sep 2016, 04:43 ]
Post subject:  Re: MCA - Son of ZCA

Close to 0.1% distortion is not a deal breaker. You can't hear under 3% of low order harmonic distortion. Once more, if it sounds good it is good. Perception is everything.

Thanks for the images and tech. info.

Author:  Makjoe [ 19 Sep 2016, 04:48 ]
Post subject:  Re: MCA - Son of ZCA

Thank you Max

I don't like very much the final construction , but the toroid is far to the input audio and i have one choke in a format 19" .

Here more pics of choke.

Author:  Makjoe [ 19 Sep 2016, 04:51 ]
Post subject:  Re: MCA - Son of ZCA

one more

Author:  Makjoe [ 19 Sep 2016, 04:53 ]
Post subject:  Re: MCA - Son of ZCA

And yupiii :D with less iron than copper .

Author:  Makjoe [ 19 Sep 2016, 05:16 ]
Post subject:  Re: MCA - Son of ZCA

Hi Mark ,

About distortion : motorhead :D , ( It's a joke. )

I try to say the same . If I like , I like .

Regards.

Author:  max130 [ 19 Sep 2016, 11:36 ]
Post subject:  Re: MCA - Son of ZCA

Hi Makjoe
you did a nice job.
I prefer self made things over bought things but it became a matter of time and the will to have better things than i can do myself.
So i bought in the parts I thought that are good for the project.

When I was at school i would also coils for my first speaker networks from wire that i got for free from a motor making company....

best regards
Stefan

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