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post #59221 of 75486
2/22/13 at 2:24pm
Quote:
Originally Posted by L0SLobos View Post

So I've been sifting thru this thread, and a lot of you guys seem to be pretty skilled diy'ers. Can someone explain what Project-H is? From bowei's post I get that it's an O2 amp made in limited quantities, but it doesn't really give a story of the project~ like how/when it started, how long it takes/how to build one. It would be pretty awesome if P-H owners started a thread on that.

 

http://www.head-fi.org/t/652306/diy-custom-amplifier-and-dac-project-h
 
This is the entire post. 
 
One does not simply make a PH. It's entire design was custom.
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post #59222 of 75486
2/22/13 at 2:43pm
Quote:
Originally Posted by L0SLobos View Post

So I've been sifting thru this thread, and a lot of you guys seem to be pretty skilled diy'ers. Can someone explain what Project-H is? From bowei's post I get that it's an O2 amp made in limited quantities, but it doesn't really give a story of the project~ like how/when it started, how long it takes/how to build one. It would be pretty awesome if P-H owners started a thread on that.

started long ago w/ the bunch of the ppl wanting a cheap amp/dac. The gg man, Borisu, built them. Now there are people with them.

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post #59223 of 75486
2/22/13 at 3:06pm
Quote:
Originally Posted by MrViolin View Post

^LOL. 

 

Maybe stop drinking and save towards a rolex? :3

What'll you be trying? lol my dad bought a watch from seiko about idk how long... probably before I was born and gave it to me. Still working mighty fine. 

I love Sekios, I have a solar titanium one. Don't wear it much though.

Quote:
Originally Posted by MrViolin View Post

lol the expense is b/c the rolex watches keep their value over time.

 

haha

I wouldn't buy a Rolex. I think they're quite ugly. Patek Philippe...ooooh

I've got a few nice dress watches(none of which I wear in favour of a £6 Casio and a £30 Sekonda), an Oris automatic, Sekio(mentioned above) a couple of Tissiot autos and a solid gold D+G(so garish).

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post #59224 of 75486
2/22/13 at 3:09pm
Quote:
Originally Posted by b1o2r3i4s5 View Post


Nope, it's AMB Labs being stupid.

Why the eff would they use MOSFETs that could only take ±20V between Gate and Source when you have a ±30V (or more) supply.
The amp self-destructed due to one bad connection; That's not DIY friendly at all.
The beta22 is one circuit design that ALL electronic engineers should use as a bad design example, we have:
  • Minimal safety margin (Oh did I tell you that the BJTs could only take 50V?)
  • Redundant structures
  • Badly implemented components
and the list goes on...... What the hell was TI Kan thinking??
Do you happen to have the lab sheet with you still?
It's kinda hard to get it around my head without a diagram....


LOL, Boris raging at b22.
I realized soon enough that it wasn't such a good design, but well, I made a stupid mistake I can't even justify with hindsight.

Yes, I have a lab sheet, but it's in Dutch. :P
I can give you a pdf of the plan. It has a pretty decent diagram.

Werkplan.pdf 531k .pdf file

Quote:
Originally Posted by b1o2r3i4s5 View Post

I just made some ice with my new toy biggrin.gif



LOL.

I want one too now. Could use it too... do nothing particularly productive.
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post #59225 of 75486
2/22/13 at 3:18pm

So where the hell was I today?

 

FOXCONN WORKER!...LEGIT....seriously

 

 

 

foxconn (Click to show)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As you can tell by the light, I spent 3.5 hours on it

 

I did full complete rebuilds of it 3 times for testing the LCD, and because I forgot schiit and I did about 6-7 partial select section rebuilds.

 

Holy schiit, iphone 3G and 3GS are easy as hell to fix, this is ...VERY time consuming.


Edited by bowei006 - 2/22/13 at 3:20pm
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post #59226 of 75486
2/22/13 at 3:23pm

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post #59227 of 75486
2/22/13 at 3:38pm
  • 4,764 Posts. Joined 11/2011
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So satisfied with the last Kuroko chapter ~~ 

 

Heir Audio 5.0 announced eek.gif

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post #59228 of 75486
2/22/13 at 3:40pm

Ok, well good news is that my Monoprice have arrived...bad news is my parents missed the delivery, so I have to go to the post office tomorrow to pick up P-H

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post #59229 of 75486
2/22/13 at 3:50pm
Quote:
Originally Posted by TwinQY View Post

So satisfied with the last Kuroko chapter ~~ 

 

Heir Audio 5.0 announced eek.gif

Wonder how much. 

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post #59230 of 75486
2/22/13 at 3:52pm
Quote:
Originally Posted by HybridCore View Post

R;N 18: the ending actually makes me wonder what's going to happen in episode 19. Hoping for a good episode. They're dragging on way too long to bring out the good stuff unlike Steins;Gate.

Lol, I agree with absolutely everything you said. The ending was a bit confusing IMO.

Quote:
Originally Posted by L0SLobos View Post

So I've been sifting thru this thread, and a lot of you guys seem to be pretty skilled diy'ers. Can someone explain what Project-H is? From bowei's post I get that it's an O2 amp made in limited quantities, but it doesn't really give a story of the project~ like how/when it started, how long it takes/how to build one. It would be pretty awesome if P-H owners started a thread on that.

Project H is an amp/DAC combo (the amp being an O2) that includes a special control board that Borisu designed that does a bunch of magic stuff.

Quote:
Originally Posted by bowei006 View Post

So where the hell was I today?

 

FOXCONN WORKER!...LEGIT....seriously

 

 

 

foxconn (Click to show)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

As you can tell by the light, I spent 3.5 hours on it

 

I did full complete rebuilds of it 3 times for testing the LCD, and because I forgot schiit and I did about 6-7 partial select section rebuilds.

 

Holy schiit, iphone 3G and 3GS are easy as hell to fix, this is ...VERY time consuming.

Seriously dude? You spent 3.5 hours on that???? On something that has screws to take the back panel off????????

It *only* took 1.5 hours to replace nearly everything in my iPod classic...

Albeit that was 3 people working on it at once, most of that time was spent taking the back cover off. What a pain in the ass...

Quote:
Originally Posted by TwinQY View Post

Heir Audio 5.0 announced eek.gif

Dayum.... That may just rival the TG334 in terms of high end IEMs :P

In other news, just sold my O2! Time to go mail it off...

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post #59231 of 75486
2/22/13 at 3:55pm
Quote:
Originally Posted by mechgamer123 View Post

Dayum.... That may just rival the TG334 in terms of high end IEMs :P

In other news, just sold my O2! Time to go mail it off...

I'd quite like something brighter than the TG334.

 

Congrats, did you get a good price?

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post #59232 of 75486
2/22/13 at 3:56pm
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Quote:
Originally Posted by Tangster View Post

Wonder how much. 

Announcement next week I think? 

 

Also seems like some have already gotten review samples? It's what I gathered from the Heir thread. 

 

Warning: Spoiler! (Click to show)

Personally don't like how they market the stuff sometimes, not to mention the rabid cult behind their lineup. But that's a story for another day.

 

Quote:
Originally Posted by mechgamer123 View Post

Dayum.... That may just rival the TG334 in terms of high end IEMs :P

In other news, just sold my O2! Time to go mail it off...

< TG334 rival

< when pigs fly

< yep no bias here

 

So Bowei endorsement worked?

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post #59233 of 75486
2/22/13 at 3:57pm

I wondering if I'd get the TH600s in time for burning in prior to the London meet if I order at the start of March.

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post #59234 of 75486
2/22/13 at 3:58pm

Finally, I go from no soundstage...to a little soundstage on the Monoprice 8320. Oh how I missed you, "soundstage"

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post #59235 of 75486
2/22/13 at 4:00pm
Quote:
Originally Posted by Tangster View Post

I'd quite like something brighter than the TG334.

 

Congrats, did you get a good price?

Nooo! Like the 334! Come to the dark side!

$110 shipped. Seemed decent enough, considering the other offers I'd got were for $100 or less.

Quote:
Originally Posted by TwinQY View Post

Announcement next week I think? 

 

Also seems like some have already gotten review samples? It's what I gathered from the Heir thread. 

 

Warning: Spoiler! (Click to show)

Personally don't like how they market the stuff sometimes, not to mention the rabid cult behind their lineup. But that's a story for another day.

 

< TG334 rival

< when pigs fly

< yep no bias here

 

So Bowei endorsement worked?

Huh, that's interesting...

One can dream that it will sound almost as good for less money lol.

Dunno if it was the endorsement or just being the only one left. Or just a lot of time on the forums. Either way, It's done now!

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