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post #411 of 498
Eek :S That looks painfully wide for a headphone stand.
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post #412 of 498
Quote:
Originally Posted by llama16 View Post

Eek :S That looks painfully wide for a headphone stand.

I used it for my late Superlux since it has metal headband and clamps way too tight. I eventually got it more comfortable then my Panasonic since I had custom pads for it and it was stretched quite a bit. However I shouldn't use it for my pannies since they have a plastic headband that will either crack or snap.
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post #413 of 498
Quote:
Originally Posted by BugBash View Post

This is a dual 37v power supply for my Naim Audio preamp and a pair of MiniDSP`s.
The transformer was wound to my specs (44mm high) and is 225VA, dual centre tapped 26v windings.
Rectification by Q-Speed LQA30T300 diodes and 10,000uF BHC SlitFoil reservoir caps.
Voltage is regulated inside the preamp right by the circuitry instead of near the psu.
The MiniDSPs are fed by thier own centre tapped winding.
These feed 3 Naim poweramps running a pair of two way standmounts and two subs.
I will shoehorn all this into a Naim Flatcap psu one day!

I'm loving that transformer.
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post #414 of 498
I have to say you all are very skilled. I could never hope to ever build anything like this. I had jacobthellamer build me my ODAC+O2. I can't even build THAT myself. lachen.gif
Quote:
Originally Posted by mikeaj View Post

That reminds me. I had it built several months ago, but somewhat recently I finally sourced a front panel for my O2 build. I got it for $8 shipped from aerohoff on diyaudio, so I was pretty pleased given that price. IIRC he also had a bamboo option. The acrylic kind of has its own charm versus the JDSLabs panel, so I thought it was worth showing.

Please excuse the lack of effort and quality on these cell phone pics: Default B2-080BK enclosure with acrylic panel, O2 build (Click to show)
226
A couple scratches on the panel itself are 'cuz I'm stupid; the input saying 12-16 VAC is a typo on somebody else's part

240
With flash activated, see the very inelegant grounding of the input to the chassis; a bare wire is held in place by the screw to a part next to the screwhole where I scratched off the anodizing

446

Looks nice...but I don't prefer to see the insides..I wish it was black barely see through acrylic.
Edited by Simca - 7/29/12 at 11:11am
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post #415 of 498
Damnit I did it again. I ordered everything for an O2 and I'm about to order everything for some 'black beauty' desktop speakers with the CHR70s from Markaudio.

My bankaccount is slinking.

And I don't even need it! I've plenty of amps and just finished building some speakers.

If anyone has any different kind of projects, let me know. I like to build things that I actually use: amps, speakers, guitar pedals,... I might make a little portable blurayplayer out of a raspberry pi, which might be very interesting. And I'm sure there are tons of things to be done with an arduino and I haven't even begun :S.
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post #416 of 498
Quote:
Originally Posted by llama16 View Post

Damnit I did it again. I ordered everything for an O2 and I'm about to order everything for some 'black beauty' desktop speakers with the CHR70s from Markaudio.
My bankaccount is slinking.
And I don't even need it! I've plenty of amps and just finished building some speakers.
If anyone has any different kind of projects, let me know. I like to build things that I actually use: amps, speakers, guitar pedals,... I might make a little portable blurayplayer out of a raspberry pi, which might be very interesting. And I'm sure there are tons of things to be done with an arduino and I haven't even begun :S.

i got some SYMEF pcb boards to make an amp that puts 100watts per channel at 4ohm. i just havent had a reason to make it yet.

http://www.diyaudio.com/forums/solid-state/198500-symef-amplifier.html
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post #417 of 498

Anyone have some recommendations for 1/8" to line-level DAC's for converting a computer's output for use in a car stereo system?

 

I'm currently using a Alpine KTP-445 as a mini-amp to power 2 pairs of Alpine Type-R speakers in my car.  In my latest build log, I need to figure out how to completely remove my current alpine deck and have my computer power the speakers.

 

For the sub-woofer's amp, I'm assuming just a regular 1/8" > RCA cable will do since the amp can accept that.  The speaker's amp on the other hand requires a speaker line-level signal.  Essentially 2 sets of stereo audio.

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post #418 of 498
Quote:
Originally Posted by bobfig View Post

i got some SYMEF pcb boards to make an amp that puts 100watts per channel at 4ohm. i just havent had a reason to make it yet.
http://www.diyaudio.com/forums/solid-state/198500-symef-amplifier.html

Looks interesting tongue.gif. I've never built an amp before for speakers, only headphones. I might want to look into that, you cruel cruel being.
I also need a DAC then, because what use is an amp without a DAC as I use my PC...
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post #419 of 498
Quote:
Originally Posted by llama16 View Post

Looks interesting tongue.gif. I've never built an amp before for speakers, only headphones. I might want to look into that, you cruel cruel being.
I also need a DAC then, because what use is an amp without a DAC as I use my PC...

tongue.gif

well if you had a sound card that's all you need. but what you could do is get the skeleton dac and have it do the dirty work as all it needs is a usb cable. have the outputs directly to the amp boards or yu could go with a selector knob and have other inputs also.

if you want a kit amp the first time then take a look at the Gainclone. its a nice little amp that is easy to do and gets your feet wet in the bigger stuff. i have personally built this gainclone and have been using it for the last 4 months. i love it and it hasnt given me a problem yet.

http://www.overclock.net/t/512714/post-pics-of-your-audio-diy-56k-warning/360#post_17124075
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post #420 of 498
Yeah I've lookded into the gainclone a few times, but not yet took the bait.
I'm pretty familiar with amps by now, but only on low power (headphones), it's new to me to work on high voltage speaker amps (allthough I built one highvoltage one for my guitar, but guitar amps are quite simple compared to more audiophile ones)

I'm still brosing between all the ideas, but I'm glad you directed me to the skeletondac, because I've been gone searching through 10s of dac designs and never really found the right one. I'm familiar with beezar (ordered caps for my SSMH) and this is the first time that I notice that they have a new dac
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