Gamma-2 (γ2) DAC Thread - Page 139

I have happily used these with my Gamma 2:

Passive = Lightspeed Attenuator

Active/buffer = B1

And my favorite, the Bottlehead Crack OTL (it is for high impedance cans tho)

 

All of them are DIY the lightspeed and B1 are very doable and under $100.00

Edited by Billyk - 10/5/11 at 3:54pm

But is the E5 going to do a bad job? Is is better to wait until i can afford a proper amp rather than spend even 20 bucks on the E5?

Hi all,
Got a new audio student here   I'm looking into building a full++ y1 and a y2; right now I'm in the part picking phase.  Is 7 the correct number of 22µF 6.3V+ electrolytics needed for both? (not driving headphones directly)

As far as cap choice, I'm looking at Silmic IIs.  How do they compare to the Nichicon Muse sonic-ly?

http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail&name=604-1112-ND
Is this the correct 22µF cap to use?  It meets the capacity and size dimensions, but it is 16V.  My guess is it is fine, but I wanted to be sure

 

Thanks a lot
 

7 is right and the RFS series from Digi-Key are fine.

Awesome   Thanks for the quick reply and for your work on this project 

Quick question.  What is the max. current draw of a Gamma2 Full++ with a 5V supply?

Gamma-2 (

Approximately 200mA.

Thank you! I'm looking into making a low budget, hi-fi, semi-portable listening rig with the gamma2 and "the amp that shall not be named".  I'm thinking I will stuff a b2-080 with lithiums and base the regulating circuit off that of the Chi 1.  I already have the gamma2 

Wow, no posts since november? 

 

I got tired of trying to decide whether i was going to buy a dac kit out of china and went ahead and bought a gamma 1 kit from glass jar audio, and gamma 2 bits from amb and mouser. 

 

This will join the nano-atx touchscreen system i recently bought off ebay for office jukebox duty. 

I'm going to build a gamma2, but there are other places to post for help instead of a 139 page behemoth.   How do you plan to use the touchscreen with gamma?

 

AMB DIY audio forum

I should have been more clear - i bought a very small all-in-one computer with a touchscreen on it. It'll probably end up running linux and xbmc if there are linux drivers for the touchscreen. The gamma2 will be attached via toslink, probably. 

Edited by ericj - 2/6/12 at 8:14pm

Theres a weird thing i've noticed. With both of my laptops (dell vostro 1500, asus eeepc 1215n) I have perfect performance out of my gamma 2 F++. When I plug my girlfriend's laptop via USB though I get horrible rumbling from my subwoofer. I think its the USB noise floor but I have no idea what could be causing that. This is the case with ALL the usb ports on her laptop. Any ideas?

Sounds like a ground loop.

 Was the laptop running on batteries or was the power adapter plugged in?

Happens in both cases, regardless of if the laptop is plugged in or batteried. I was thinking it could be an internal ground loop. Thats what the problem used to be on my dell. They had everything grounded to the chassis, and that caused it to have a high pitched whining sound. I covered the sound card in electrical tape and made it so the sound card ground was insulated from the chassis ground and all the whining went away.