Buffalo DAC (ESS Sabre 9008) - Page 204

BrianDonegan · 17th February 2010, 03:07 PM

Quote:

Do you know if it has better phase noise spec than the 25-50 ppm standard part?

I believe the phase noise is the same for all versions of the CCHD XOs.

Quote:

Would heatsinking (like those in the VGA chips) be beneficial?

I don't think it would hurt, but probably no benefit either.

Joshua_G · 17th February 2010, 03:27 PM

Quote:

Originally Posted by glt

I think the real reason for Buf II was to 1- to satisfy people like us with the urge to tweak everything (thus we hang around in this diy board :-)) and 2- to price it more competitively to reflect present market conditions.

The original reason for Buffalo II was to have a tweakers board.

Spartacus · 17th February 2010, 04:01 PM

Quote:

Originally Posted by BrianDonegan

The actual XO is the same as the one on the Buff32.

Interesting reading here ....

http://hifiduino.blogspot.com/

theob · 26th April 2010, 12:59 AM

I tried a bit of gooey damping compound on top of the Sabre Dac chip (none of it touches the lead outs) and it made a significant improvement in SQ. Is this practice safe, are there any risks like excessive heat?

Russ White · 26th April 2010, 01:19 AM

Quote:

Originally Posted by theob

I tried a bit of gooey damping compound on top of the Sabre Dac chip (none of it touches the lead outs) and it made a significant improvement in SQ. Is this practice safe, are there any risks like excessive heat?

It shouldn't be a problem so long as your prevent shorts.

I can't say I endorse the practice however.

Beefy · 26th April 2010, 01:38 AM

No, really, you should try it. Chewing gum in particular is great for freshening the sound.

Duffy Moon · 26th April 2010, 03:42 AM

Quote:

Originally Posted by Beefy

No, really, you should try it. Chewing gum in particular is great for freshening the sound.

Does it make it mintier?

Beefy · 26th April 2010, 10:55 AM

Sure. Why not.

ghg · 8th May 2010, 05:59 PM

Hi

Well, I took a closer look at my Buffalo Rev. 1.2 board and it seems,
as there are some pins of the ESS 9008 connected, bad soldering.
I state, maybe, cause even using a magnifying glass, I am not sure.

So, before assembling, my question ,are these factory tested ?

BR

Gary

BrianDonegan · 8th May 2010, 06:01 PM

If you can call my basement a factory, than yes.

There are some pins that are supposed to be joined on the dac.

26th April 2010, 12:59 AM	#2034
theob diyAudio Member Join Date: Jun 2007	Question for Brian or others knowledgeable on Buf32s I tried a bit of gooey damping compound on top of the Sabre Dac chip (none of it touches the lead outs) and it made a significant improvement in SQ. Is this practice safe, are there any risks like excessive heat?

8th May 2010, 05:59 PM	#2039
ghg diyAudio Member Join Date: Apr 2002 Location: Vienna	Are all Buffalo 1 ( ESS 9008 ) boards factory tested ? Hi Well, I took a closer look at my Buffalo Rev. 1.2 board and it seems, as there are some pins of the ESS 9008 connected, bad soldering. I state, maybe, cause even using a magnifying glass, I am not sure. So, before assembling, my question ,are these factory tested ? BR Gary __________________ I hate "sounding amps", except these are Marshalls, driven by Eric C. or Jeff B., period.

8th May 2010, 06:01 PM	#2040
BrianDonegan diyAudio Member Join Date: Dec 2004 Location: Rock Ridge	If you can call my basement a factory, than yes. There are some pins that are supposed to be joined on the dac. __________________ Twisted Pear Audio

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Thread	Thread Starter	Forum	Replies	Last Post
My ESS Sabre Buffalo DAC	Algar_emi	Digital Line Level	10	5th March 2009 01:19 PM

26th April 2010, 01:38 AM	#2036
Beefy diyAudio Member Join Date: Apr 2008	No, really, you should try it. Chewing gum in particular is great for freshening the sound.

26th April 2010, 10:55 AM	#2038
Beefy diyAudio Member Join Date: Apr 2008	Sure. Why not.

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