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Old 4th March 2009, 11:24 PM   #31
glt is offline glt  United States
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Default Re: sneak peak of BUF32S

Quote:
Originally posted by Russ White
Here it is, this is just the top side.

Very nice!. But don't see local regulators or voltage references for VD. I guess I'll have to wait for the schematics...
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Old 4th March 2009, 11:29 PM   #32
Beefy is offline Beefy  Australia
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Default Re: Re: sneak peak of BUF32S

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Originally posted by glt
Very nice!. But don't see local regulators or voltage references for VD. I guess I'll have to wait for the schematics...
To my noob eyes it looks like the power supplies might be buffered by ICs 4, 5 and 6. Regulators are probably under the board near those.
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Old 5th March 2009, 12:06 AM   #33
glt is offline glt  United States
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Default Re: Re: Re: sneak peak of BUF32S

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Originally posted by Beefy


To my noob eyes it looks like the power supplies might be buffered by ICs 4, 5 and 6. Regulators are probably under the board near those.
I was thinking it would be hard to do reflow soldering on both sides... (my common sense tells me that the components in the bottom will just fall off in the reflow over :-) )
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Old 5th March 2009, 12:11 AM   #34
Beefy is offline Beefy  Australia
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Entirely likely. Like I said, to my noob eyes
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Old 5th March 2009, 01:19 AM   #35
Russ White is offline Russ White  United States
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Yes, there are components on both sides.

On the bottom side there are only passives.

Cheers!
Russ
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Old 5th March 2009, 05:01 AM   #36
dusfor99 is offline dusfor99  Canada
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Hi Russ,


Nice looking board!. From the feedback I have been getting on the Sabre32, all your customers are going to blown away with the 32S. I hope to hear this design soon.


Dustin
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Old 5th March 2009, 05:22 AM   #37
sangram is offline sangram  India
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Can't make out from the top layer, but how does the ESS chip get its VA supply now? Is it tapped off the VA supply from the IVY II supply, separately for each channel or something else?

And, there are a LOT more opamps, but no SE output. Eagerly awaiting more details.
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Old 5th March 2009, 05:31 AM   #38
fredlock is offline fredlock  United States
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Russ,

what would be the estimated pricing on this Buffalo 32? No need to be exact but just a ballpark. Just want to set aside some money for it.
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Old 5th March 2009, 10:13 AM   #39
mravinsky is offline mravinsky  Europe
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Default vreg

As I said I want board and parts to mount vreg (any version), but my e-mail was wrong. The good one is antoni.ferragut a.t. hotmail.es
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Old 5th March 2009, 10:37 AM   #40
BrianDonegan is offline BrianDonegan  United States
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Twisted Pear Audio - Buffalo32S (ES9018 DAC)
Default Re: vreg

Quote:
Originally posted by mravinsky
As I said I want board and parts to mount vreg (any version), but my e-mail was wrong. The good one is antoni.ferragut a.t. hotmail.es

http://twistedpearaudio.com/power/lcdps.aspx
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