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Post pics of your builds.... - Page 640

post #9586 of 9701

Haha, very nice! One of my projects on the horizon is the Aleph J. Where did you find such a monstrous chassis? I'm assuming the sinks reach a nice warm temp in that config. 

post #9587 of 9701
Quote:
Originally Posted by HiGHFLYiN9 View Post
 

Haha, very nice! One of my projects on the horizon is the Aleph J. Where did you find such a monstrous chassis? I'm assuming the sinks reach a nice warm temp in that config. 

The Aleph J sounds like a really fun project as well.  I am personally really excited for new up and coming F6.  Modushop I think recently came out with this chassis.  Its a 5U 500mm chassis.  I believe that it is the largest one that they sell.  

post #9588 of 9701

Who here makes the nicest DIY cables on the forums? 

post #9589 of 9701
Quote:
Originally Posted by CTCAUDIO View Post
 

Who here makes the nicest DIY cables on the forums? 

A couple things.  First of all, that should probably be asked in the DIY Cables section.  Secondly,  there are many people who make very nice cables but no one here will make the nicest.  It isn't a competition so please don't make it one.  This is for people who want to have a bit of fun building something that can be very satisfying and maybe save a bit of money while we are at it.  

post #9590 of 9701
Quote:
Originally Posted by Zashoomin View Post

Some teasers. Finished with mounting all 4 boards and 24 mosfets to the heat sinks and all hardware to the bottom of the amp. Now working on the back pannel. Not sure how I am going to drill holes big enough for the for jacks and make a square hole for the iec connector. Anyone have any suggestions?
 

Simple, build a your own CNC machine, then you can do what ever you want. That's the way I did the panels for this build :cool:

post #9591 of 9701
Quote:
Originally Posted by KT88 View Post
 

Simple, build a your own CNC machine, then you can do what ever you want. That's the way I did the panels for this build :cool:

I acutally wanted to, but I don't have any room to put it.  Otherwise I would also have a table saw and drill press in my little apartment as well :evil:

post #9592 of 9701

In the serie "00940 has fallen in love with the 40mm galaxy cases", after a dac and a dynalo, here is a 6e5p parafeed amp (as discussed here ).

 

B+ is a comfortable 270Vdc, the CCS are set at 18mA and the 6E5P settle at 150Vdc. Originally, the transformer was supposed to go inside the main case... but the induced hum was excessive. Hence the external box. Everything said, it's roughly a 300€ build.

 

 

Outside:

 

 

 

Inside: 

 

 

post #9593 of 9701
Quote:
Originally Posted by sceleratus View Post


Watch all three parts of this tutorial and you will be able to solder anything.

http://www.youtube.com/watch?v=J5Sb21qbpEQ&sns=em
 
 

PACE has some great *ancient* training videos on their youtube page, perfect for beginners like me :P

https://www.youtube.com/playlist?list=PL926EC0F1F93C1837

 

note: some of the stuff is not used anymore/ or is used only during manufacturing but the solder joints and how you apply the solder is the same


Edited by wiak - 8/28/14 at 5:02pm
post #9594 of 9701

Not really a "build" yet, but it will come. No prizes for guessing what it is going to be though ;)

 

 

/U.

post #9595 of 9701
Balanced Dynalo Mk2, almost done:

post #9596 of 9701
Finished:
post #9597 of 9701
Quote:
Originally Posted by GrindingThud View Post

Finished:
 

Congrats, that looks fantastic.  If I were to build a SS amp the Dynalo would be at the top of my list.   How does it sound with your LCD-2?

post #9598 of 9701
Thanks! With LCD2.2, single ended output with +/-16 supply drives it louder than I'd normally listen. Very clean, neutral, and black background. Not up to the KSA5 single ended though (power wise). Still need to finish my balanced cable to see what it sounds like all out.
Quote:
Originally Posted by dsound View Post

Congrats, that looks fantastic.  If I were to build a SS amp the Dynalo would be at the top of my list.   How does it sound with your LCD-2?

Edited by GrindingThud - 9/29/14 at 4:52pm
post #9599 of 9701

Too much stuff in my drawers again, the following build was made without ordering anything.

 

 

It's a simple DAC. PCM2707 input, followed by PCM1798 and an opamp I/V stage. The opamps in the I/V stage have class a buffers in their feedback loop to improve performance (see for example: here) and the output ne5532 is biased with a simple jfet ccs. The supplies have two stages: open loop regs for HF crud followed by regular three terminals regs (lm7812-7912 and reg101).

 

First time I tried to etch a tssop board btw, it's easier than I thought.

 

 

post #9600 of 9701

Love your builds.  :D.  I need to do some reading up to start designing my own circuits.  :beerchug:

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