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post #9676 of 9681

Thanks !

 

The cover I've bougth somewhere on Ebay, the main case is from Hammond and the two things as P3 jacks (I can use the RCA´s with my HT or the P3´s with a headphone).

 

First time I used a transformer (the top cover was higher), but I changed for a simple 12V psu and trim a bit the cover.

 

Instead of FET´s I used an OPA2134.

 

Before was like that :

 

 

The paint was getting blemishes, so I change to an automotive one.


Edited by Roberval - 1/21/15 at 10:27am
post #9677 of 9681
Quote:
Originally Posted by Roberval View Post

Thanks !

The cover I've bougth somewhere on Ebay, the main case is from Hammond and the two things as P3 jacks (I can use the RCA´s with my HT or the P3´s with a headphone).

First time I used a transformer (the top cover was higher), but I changed for a simple 12V psu and trim a bit the cover.

Instead of FET´s I used an OPA2134.

Before was like that :




The paint was getting blemishes, so I change to an automotive one.

Thanks for the explanations. I prefer your updated version. More elegant!
post #9678 of 9681

My most recent project, an M3 balanced amplifier with sigma11 dual mono power supply.

 

 

 

 

 

 

Build thread at amb.org: http://www.amb.org/forum/balanced-m3-design-considerations-t2702.html

 

Gallery of pics: https://www.flickr.com/photos/jomanos/sets/72157645794784231/

post #9679 of 9681
That is a very nice M3. Congratulations !
post #9680 of 9681
This is my first headphone amp, based on the Appeared 47 with a gain of 2 setup to run my daughters AKG K551s

I used Panasonic FM and Vishay caps, opa2134 and buf634 and built it on proto board









I was in the process of making a hardwood enclosure for it when I had an unfortunate slip with the bench saw leaving me with a somewhat damaged block of wood and some badly cut fingers



It works great, far superior sound to the phone or tablet alone
post #9681 of 9681
Looks like a good start.
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