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just finished my largest project so far: a pga2310-based preamp with headphone stage. my main goal was to support blind A/B listening tests, hence I got to utilize a microcontroller and spend a large part of the effort on the software
you can find more details about my build here
WTF.... No comment could do that justice. Great work!
EDIT: I suppose it deservers more than that. I like the way it reminds me of an older piece of electronic equipment, almost studio-like, specifically the source selection/mute buttons. Not sure exactly what piece of equipment, but it looks excellent. Casework and internal wiring as well as layout are very nice as usual.
USAFA: Audigy 4 (roommate's computer) ---> DIY GB-150D-based integrated amp (stereo configuration, remote-controlled, power-on delay for output, and heavily class-A biased (3.9mA/channel) LM4562NAs used in preamp section) ---> Yamaha NS-527 (modified with Vifa 6 1/2" woofers, Panasonic film caps in crossover, and heftier internal wiring)
Ghey-C'97 (my piece-o-crap issued laptop) ---> PPAv2 (class-A biased AD8620 (2.5mA/channel), 8600uF pre-regulator, LM338 high-current regulator, 40mA/channel output bias) ---> Grado SR-225 (yes, I bring my headphones home from the Academy during leave)
Headphoneus Supremus Member of the Trade: S² Audio
It's not an amp, but I'll post here at any rate.
These are some 3 way speakers I'm building for Marc (luvdunhill).
The baffles will slope back at the top, and are made of an MDF/Baltic Birch lamination. His design is pretty slick. They'll have magnets buried in the baffle for speaker grills ala Omega Audio. They will have Oak interior bracing, sonic barrier foam lining the panels and a rather good size port at the rear of the speaker, behind the tweeter. Spikes on the bottom, and nice binding posts at the rear.
Marc is building some huge outboard crossovers that will probably be incorporated into some stands.
It looks like these will be covered in figured Makore veneer.
These are some 3 way speakers I'm building for Marc (luvdunhill).
The baffles will slope back at the top, and are made of an MDF/Baltic Birch lamination. His design is pretty slick. They'll have magnets buried in the baffle for speaker grills ala Omega Audio. They will have Oak interior bracing, sonic barrier foam lining the panels and a rather good size port at the rear of the speaker, behind the tweeter. Spikes on the bottom, and nice binding posts at the rear.
Marc is building some huge outboard crossovers that will probably be incorporated into some stands.
It looks like these will be covered in figured Makore veneer.
\
Ehhh, first speaker build I've seen on these forums (except mines)! Going to be recessing those tweeters & midranges?
Brendan
__________________ AUDIO GEAR:
-Sansa e270 rockboxed and loving it
-UE Super.Fi 3 Studio (with Westone cables) -Shure E2C (kramered...replaced again!!!!)...gone
-beyerdynamic DT770 Pros/80 (recabled)
-DIY Interconnects
-Zaph BM4
-JBL Power 20
-Audiotrak HD2 (with ERS shielding)
just finished my largest project so far: a pga2310-based preamp with headphone stage. my main goal was to support blind A/B listening tests, hence I got to utilize a microcontroller and spend a large part of the effort on the software
Trust the germans to come up with a masterpiece, especially steinchen. Definately an old/new skool fusion there, and the overall quality gives it the appearance of expensive hi-fi equipment.
I also loved your switchbox in the same type of case, and makes my current attempt look feeble in comparison. But I have gone all out on connectors and parts as my machining equipment for the case is limited.
__________________ [ CANS ]HF-1 #427| Modded SR60 | KSC-75 | UM1 [ SOURCES ]Marantz CD-63 (Re-clocked, Black Gates, x5 Audicom V-regs, LM4562's, + some beans) |EMU-0404 (LT1364, BGs + OSCONs, etc) [ AMPS ]Lyngdorf SDAi 2175 Integrated |Boutique Millett MAX [ CABLES ] DIY Silver ICs | Custom EMU Breakout by [AK]Zip | Ixos *stolen* ADSL copper speaker cable [ SPEAKERS ]ATC SCM-12 on metal posts with granite choppers
For Sale NOW: Millet Hybrid (Black Gate's,Wimas, DB board, TREAD, white LEDs)
I can't wait to see the finished product, Steve! Your work is always so beautiful. I'll have to pick your brain at some point in regards to speakers, but that's still some months off.
If I can defeat my laziness, I'll snap some pics of my recently completed balanced b22 tonight or tomorrow.
__________________
aka LightMeDark and yhamez on other forums feedback
Headphoneus Supremus Member of the Trade: S² Audio
Originally Posted by fierce_freak
I can't wait to see the finished product, Steve! Your work is always so beautiful. I'll have to pick your brain at some point in regards to speakers, but that's still some months off.
If I can defeat my laziness, I'll snap some pics of my recently completed balanced b22 tonight or tomorrow.
Ehhh, first speaker build I've seen on these forums (except mines)! Going to be recessing those tweeters & midranges?
Brendan
Well, a subwoofer is a somewhat specialized speaker, so I guess it counts? The finish was roughly 80% done when I decided to take it back home and use it for a while; well that while ended up being nearly a year and it's now back in the wood shop for a proper finishing job. Right now I'd say there's about 10 coats of spray paint on the top and rear
The finish was roughly 80% done when I decided to take it back home and use it for a while; well that while ended up being nearly a year and it's now back in the wood shop for a proper finishing job. Right now I'd say there's about 10 coats of spray paint on the top and rear 
Linear Mode
