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Go Back   Head-Fi: Covering Headphones, Earphones and Portable Audio > Misc.-Category Forums > DIY (Do-It-Yourself) Discussions

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Old 04-25-2007, 11:00 AM   #2031 (permalink)
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Originally Posted by FallenAngel View Post
With my SOHA having a 50K pot, it's 6.7Hz. I use 0.33uF MCap ZN's with my regular one and the frequency is 9.6Hz, still very nice.
Thanks. I'll go with your method of using boutique film caps. Looks good.
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Old 04-28-2007, 05:43 AM   #2032 (permalink)
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Originally Posted by FallenAngel View Post
Just finished the first of my SERIOUS AlienDACs

I use one at home with 0.33uF Mundorf MCap ZN and it sounds fantastic, but I heard that these Audience AuriCap sound very good as well so I thought, what the hell, let's put a pair of these 0.47uF/400V caps with a Mini-TREAD into a Hammond 1455C1202. This is the result

Wow that is pretty slick. Nice job; shoot, I need to get off my duff and order AuriCaps. Which sound do you prefer, Mundorf or Audience? It really is neat seeing your DAC here, and fun thinking that I helped play a small part in making it happen. Thanks for posting the images of your work.

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Old 04-29-2007, 08:37 PM   #2033 (permalink)
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Here are my toys all finished and together:

Sorry for bad quality photo
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Old 04-29-2007, 09:49 PM   #2034 (permalink)
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Originally Posted by ferencvaros View Post
Here are my toys all finished and together:

Sorry for bad quality photo
Very nice lineup there! I like the matching frontplates, very classy.
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Old 04-30-2007, 03:52 AM   #2035 (permalink)
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I finally got around to recasing my PIMETA today...Its now in a black Hammond 1455N1602 with a TREAD.



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Old 04-30-2007, 06:29 AM   #2036 (permalink)
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Originally Posted by Jrossel View Post
Wow that is pretty slick. Nice job; shoot, I need to get off my duff and order AuriCaps. Which sound do you prefer, Mundorf or Audience? It really is neat seeing your DAC here, and fun thinking that I helped play a small part in making it happen. Thanks for posting the images of your work.

JR
Well, thanks for the boards buddy.

Hmm... Mundorf vs AuriCap, tough question, they're both extremely good sounding caps. The Mundorf are totally burned in and sound beautiful, a little warmer than the non-burned in AuriCaps. On the details, I'd say they're around the same, with the AuriCap maybe being just slightly more detailed, and being not even burned in, they sound very promising.
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Old 04-30-2007, 01:56 PM   #2037 (permalink)
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Just finished my new USB DAC with headphone amplifier.






USB DAC: PCM2707->PCM1793->OPA2134 (all bus-powered, except OPA2134 - +/-11.5v from headamp)
Headamp: Alps RK18->AD8620->THS6012
Body made from old CD-ROM and black-painted.
Sound is very good.
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Old 04-30-2007, 02:30 PM   #2038 (permalink)
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Well Grigori G, that looks pretty serious and very impressive on the home made custom PCB which you actually managed to have purely in SMC. Congrats, it looks very cool, but what is it?

And definitely what is the headphone amp?
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Old 04-30-2007, 02:54 PM   #2039 (permalink)
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Originally Posted by FallenAngel View Post
Well Grigori G, that looks pretty serious and very impressive on the home made custom PCB which you actually managed to have purely in SMC. Congrats, it looks very cool, but what is it?

And definitely what is the headphone amp?
Headphone amplifier part (many components on the other side PCB):





P.S. Sorry my bad english...
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Old 04-30-2007, 11:50 PM   #2040 (permalink)
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Wow, very nice etching work there. Did you etch at home or is that a ExpressPCB board?
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