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Buffalo DAC (ESS Sabre 9008)

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#687
Well put simply, the mod would eliminate the possibility of a fast transient (like a square wave) of causing slewing type distortion. Current output DACs like the Buffalo can slew quite a lot faster than the opamp. this compensates for that.

In short the mod should make the DAC sound a bit better on fast transients. 🙂

Cheers!
Russ
 
#688
IVY Mod

So, if I'm reading the schematic right, we add 4 capacitors in shunt-to-ground position on the inputs, and in exchange we get to remove 4 resistors that are dead in the signal path for the single ended portion of the circuit? Let me check the parts bin! Of course, I could be reading it wrong....
 
#694
my soldering iron is still hot....

added cap and jumper the resistor, 2 polystrene caps 4.7nf in parallel = 9.4nf

first impression........much better ^^

will listen further and see if this configuration is preferable
 

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#696
Re: Re: Torroids for Buffalo and IVY

BrianDonegan said:


We carry the 15V trafos because they would work pretty well for all of our stuff, so one size fits all. I will, however, start carrying 9V trafos as of next week. This is primarily to support our new Placid shunt regulated power supply, but will also work well for Buffalo VD.
Click to expand...


what voltage / current will the placid be able to supply?
 
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