PSU's for Squeezebox and USB D/A converter? - diyAudio
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Old 25th June 2011, 05:43 PM   #1
dazed is offline dazed  Norway
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Default PSU's for Squeezebox and USB D/A converter?

I have a Squeezebox Touch and two Abrahamsen A-dac usb D/A converters that I'd like to build decent power supplies for. Just as an experiment, to see if they'll sound better. (...And just because it's fun, of course.)

The D/A Converters have 24V DC 0.5A wall warts, and the Squeezebox has a 5V DC 3A wall wart.

I'm looking for PCB's or preferably complete kits for good power supplies to replace these. I need transformers with primary windings for 230VAC european power grids (in Norway).

The best would be kits that I could use for both these applications. (With different transformers, of course).

I've built a couple of TREAD and STEPS supplies on PCBs from Tangentsoft, but sadly these are no longer available. Neither are his newer YJPS pcb.

Where should I look?

All tips and pointers will be greatly appreciated.

Thanks!
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Old 25th June 2011, 10:09 PM   #2
dazed is offline dazed  Norway
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I ordered three σ11 boards and the parts AMB has for it in his webshop. Looks good for this application, I think.

Now to figure out what transformers, enclosures and other small parts I need.
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Old 26th June 2011, 01:47 PM   #3
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You kan make a simpel, by your self

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Old 26th June 2011, 02:14 PM   #4
mravlca is online now mravlca  Slovenia
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Default Squeezebox PSU

I've made this PCB for Squeezebox linear PSU. The PCB can accept also TO-220 devices such as LT1085 or similar.

Best Regards,
Ales
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Old 27th June 2011, 09:54 AM   #5
dazed is offline dazed  Norway
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Thanks! I'll just try the σ11's now that I ordered the boards, I guess.

Did you notice any difference in eprformance from your squeezebox with the new psu?
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Old 28th June 2011, 09:25 AM   #6
mravlca is online now mravlca  Slovenia
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Yes! On my sistem the biggest improvment was on soundstage! I think you should get even better results with σ11.

BR,
Ales
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Old 28th June 2011, 11:04 AM   #7
dazed is offline dazed  Norway
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Thanks. That sounds promising.
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