masamoto

Did anyone finish one of these?

Since this is probably the first thing I will try from the group buy I wondered about the transformer and the VA. Looking at the input ac like this would couple 2 cheap transformers work? The +-15 is from a GRLV or something I guess or would a LM317+LM337 do the job?

Got mine today. Big Sticker "exempt from customs" @sbelyo so no worries Thanks will have fun with these.

I actually had the luxury of playing with these for a couple of hours in a Head-Fi meet and a couple months later at CanJam Europe where he brought different impedance versions. They actually do sound really good compared them to HD800S, Focal Utopia and the old K1000. Very very fast and I was looking forward to them. But that price shocked me a little.

Would the GRHV be appropriate for a 12ax7 + 6V6 play thingy or is it overkill or the wrong purpose altogether? I am playing around with some tube preamps but in a low voltage scenario at the moment since I don't have a high voltage power source currently.

I can't decide... go the extra mile and make a soekris+xmos build or get a DSD dac from ebay. Running the Dynalo mk2 with a DragonFlyBlack for a while now.

Rectified I get ~24 . The load is a Dynalo Mk2 not sure how much it pulls and the amp is at work. Need to take it home for deeper analysis. Will take it home and follow up. Edit: Fixed it was the Voltage Reference. Followed the voltage through the whole board to find that it's not doing it what it should.

For some reason, the Positive Rail starts giving out 22.4 while the negative is still at -20 stable. The LED next to the MJF15030 only lights up very shortly when I switch it on and stays off after that. Are there any subjects I should check?

With much less to drop the MJW's are a lot cooler as well. And the transformer was not even warm to the touch. Thanks guys. So much more to learn

Ah ok, thanks. Interesting so with the 18vac I will get 25.4vdc need to drop the rest and have enough current left. Dynalo Mk2

For some reason, my transformer just died. I had a 230v/2x24v with 50VA it get's a little warm but that's it normally. I use it to power a 20V GRLV for a Susy. was that too much for it? I was sure that would be enough.

I had a small breakdown yesterday. LP helped me through some teenage drugs problems I had. Fucking hurts like hell even after so many years. I like to believe that I would be different today had he not shared his own pain through their music.

Ah is there something I did wrong or is bad I also measured relative to ground as well.

I run 20v with 270R right now giving me 15ma sounds about right. This weekend is a long weekend here so I will get to compare more. I was going to get a case first but that seems to take longer than expected. I looked around and will be going for this case. http://www.fischerelektronik.de/web_fischer/en_GB/cases/M1.01_M1.04/Shell-%2C extruded assembled cases%2C desk consoles and Euro cases/PR/G100/$productCard/parameters/index.xhtml I sent them the design and measurements and it comes down to about 60 for a case. Is that a good price? I never ordered custom cases. Dimension W 250mm*H 70mm*D 220mm.

makes me regret not getting a Current Feedback Amp set in the last GB.

Working on this game right now actually. https://www.facebook.com/ironharvest/?ref=br_rs I case any of you guys liked company of heroes and such this might be right up your alley.

It's Alive Very happy with the sound still testing different bias but loving it already.

Fedex came trough today. Got my first GRLV up and running. I think / hope the left multimeter is more accurate will replace the right one soon. With the small load, I did not burn trough the Fuse but I burned trough the first one. Was thinking a little bit too small one the fuse side I guess XD

Boards arrived and look great Thanks for managing the buy.

Hmm depending on what you are going to use to power and stream to it with the USB might be weird. I have the small Dragonfly Black using it at the office and OTG with my phone. If you use Apple it's fine since they included all useful Audio Drivers but Android doesn't. So I can only use up to 80% volume when I listen to Spotify and all the other normal apps. But Audioquest links to "USB Audio Player PRO" and the app comes with all Audio Drivers which allowed me to access the Volume on the Dragonfly.

Paid Thank you very much.

Done

So the Schematic is for the mini? And the SMT SS Dynalo board (dynalobalXX.zip) is outdated? It's good to know that there is a version called SMT but if it's redundant.

SuperSymmetryDynalo-v1-5.zip kgdynalobal9.zip These are the 2 I am referring to. These pictures are for the SuperSymmetryDynalo-v1-5.zip version which as far as I know is the mini. I didn't look into the (dynalobalXX.zip) at all since they seem a bit older. I might have to reread the whole blog and write down some sort of version control for everything.

The SMT is not the mini? I only find 2 board versions one is the mini which has a lot of SMT parts and the regular trough hole version. Hmm I need to double check.