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Author Topic: Neat surface mount DAC proto with CNC engraving  (Read 2788 times)

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Offline Binge

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Neat surface mount DAC proto with CNC engraving
« on: Wed, 01 January 2014, 14:44:16 »
Over the new year my father and I made a prototype surface mount circuit board using a CNC engraving machine.  The assembled DAC works very well and we might turn this into a small product for mobile listening. Here are some pics of the assembled prototype.

49628-0
49630-1

Ask me anything about this project or equipment, and I'll do my best to answer.
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"What the hell Jimmy?!  It was ruined before you even put it up there with your decrepit fingers."

Offline Photekq

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #1 on: Wed, 01 January 2014, 14:46:07 »
THAT IS SO COOL BINGE
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Offline SpAmRaY

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #2 on: Wed, 01 January 2014, 14:46:09 »
Whoa, that's cool!
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Offline Dubsgalore

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #3 on: Wed, 01 January 2014, 14:54:07 »
Sick work bro, that's awesome :)
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Offline HoffmanMyster

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #4 on: Wed, 01 January 2014, 17:06:48 »
That's awesome.  Looks very neat in addition to being functional.
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Offline Binge

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #5 on: Wed, 01 January 2014, 17:56:28 »
Just got off the phone with my pops... digipot volume controlled by cherry MX switches in the works. Thumbdrive sized package :|
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Offline Pacifist

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #6 on: Wed, 01 January 2014, 17:57:33 »
How much?
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Offline Binge

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #7 on: Wed, 01 January 2014, 18:00:47 »
Quote from: Pacifist on Wed, 01 January 2014, 17:57:33
How much?

Tough to say at this point.  I would be assembling these myself and we are looking into making cases with the engraver.  How much would you want to spend on something like this?
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Offline Pacifist

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #8 on: Wed, 01 January 2014, 19:42:57 »
Quote from: Binge on Wed, 01 January 2014, 18:00:47
Quote from: Pacifist on Wed, 01 January 2014, 17:57:33
How much?

Tough to say at this point.  I would be assembling these myself and we are looking into making cases with the engraver.  How much would you want to spend on something like this?

$30-$40. I don't own a DAC yet so I was thinking this is a good cheap entry level DAC
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Offline Binge

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #9 on: Wed, 01 January 2014, 22:39:11 »
Quote from: Pacifist on Wed, 01 January 2014, 19:42:57
Quote from: Binge on Wed, 01 January 2014, 18:00:47
Quote from: Pacifist on Wed, 01 January 2014, 17:57:33
How much?

Tough to say at this point.  I would be assembling these myself and we are looking into making cases with the engraver.  How much would you want to spend on something like this?

$30-$40. I don't own a DAC yet so I was thinking this is a good cheap entry level DAC

I still can't comment on a price, but I can tell you it matches up pretty well against the modi.  That's pretty neat considering this device can only operate in the 16 bit domain for the time-being.
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Offline dorkvader

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #10 on: Thu, 02 January 2014, 23:27:12 »
wow looks great! I've been interested in DIY DACs sicne the alien was relevant. I still need to finish making my AMB gamma2's

In terms of size it reminds me a lot of the grubdac / skeletondac projects. Can you comment on the SNR and other features?
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Offline mkawa

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Re: Neat surface mount DAC proto with CNC engraving
« Reply #11 on: Fri, 03 January 2014, 00:15:18 »
this is very close to an alien actually.
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