Joachim Gerhard Filter Buffer for ES9022 - Page 56 - diyAudio
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Old 28th April 2013, 05:01 PM   #551
EUVL is offline EUVL  Europe
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Some good new.

Soldering is done, only waiting for testing.
Will still take a couple of weeks.

WK will let you know when ready to ship.


Thank you for your patience,
Patrick
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Old 28th April 2013, 08:36 PM   #552
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That's good news!
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Old 29th April 2013, 11:07 AM   #553
Stixx is offline Stixx  Germany
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All good things take their time...
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Old 1st May 2013, 06:26 AM   #554
Mull3t is offline Mull3t  United States
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Can anyone recommend a nice bi-polar supply to use? Thus far I've found two that I'd think would do the trick, but I'm looking for something smaller in footprint if possible...

PS-12 Bipolar Low-Voltage PS
Low Current Bipolar Power Supply (LCBPS) - A Regulated CRC Supply

Thanks!
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Old 1st May 2013, 07:26 AM   #555
Stixx is offline Stixx  Germany
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Quote:
but I'm looking for something smaller in footprint if possible...
I am thinking of using two NewClassD regulators from Dexa at +-15V (or similar ones from Belleson) which would involve a tiny bit of DIY to mount them and supply them with filtered DC... but all could be done in a small footprint.
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Old 1st May 2013, 12:46 PM   #556
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I'd check this out as well:
Sjöström Audio - JSR01 Sjöström Super Regulator
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Old 1st May 2013, 01:45 PM   #557
EUVL is offline EUVL  Europe
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I would just try 2x 9V batteries with LT1761 / LT1964 set at +/-15V output first, before trying anything exotic.


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Old 5th May 2013, 02:46 AM   #558
Mull3t is offline Mull3t  United States
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@TheShaman I don't think you can get the JSR01 anymore according to the site. Here's something that I found on the Sjöström site that should do the trick and has the transformers on the PCB. It's not necessarily the smallest solution, but since it's all in one it might be useful in keeping space down. Its the SPS02...

Sjöström Audio - SPS02 Sjöström Power Supply

It seems to me that one doesn't need anything crazy to power this buffer ie a super high performance power supply. Am I correct in my understanding?

On the other hand I'm thinking of going for one of those Salas SSLV 1.1 boards. Would this board be better than going with the Sjöström SPS02?
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Old 5th May 2013, 02:51 AM   #559
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Tell you what - as soon as my Acko clock boards land, I'll A/B the JG Buffer with a basic linear PS and dual rail Salas shunts. Happen to have a pair tuned for 15V +/-.
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Old 5th May 2013, 03:07 AM   #560
Mull3t is offline Mull3t  United States
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It's a deal!
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