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Old 3rd December 2013, 09:12 PM   #1
Koifarm is offline Koifarm  Netherlands
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Default Just for fun

After reading all the wire topics, wiki and reply's. I also want to build a LME49600 headphone amp. But the smd parts are to small for me to handle. The LME49600 is just the limit. So i made a PCB with power supply with normal through hole parts.

The pcb design is just one layer so it is easy to make yourself. Size 100x100mm or 100x160mm.

After building i compaired it, to my 300b tube headphone amp, Lehmann Linear headphone amp and a view other DiY headphone amps with my AKG 701 and i like this one the best. It has the wide soundstage of a tube amp but with better bass controll. No noise, no humm, no distorsion.

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Here the PCB filmdesign.


Last edited by Koifarm; 27th April 2014 at 07:18 PM.
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Old 4th December 2013, 06:59 AM   #2
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Do the LME's need heatsinks? Could you show the copper side of your build? Unfortunately your PCB link does not work.
Very nice & clean work.


Last edited by jacques antoine; 4th December 2013 at 07:00 AM. Reason: spelling!
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Old 4th December 2013, 06:26 PM   #3
Koifarm is offline Koifarm  Netherlands
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Jacques, i have fixed the link to the PCB film.

And the LME49600 does not need to use extra cooling. It runs with my AKG 701 just a little warm.

Sorry but i have not a photo from the solderside and it is already in a nice housing. You must wait until i have the time to disassemble the housing to make some photo's.

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