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jderimig  
#1 Posted : Tuesday, September 15, 2020 4:17:27 PM(UTC)
jderimig

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With Buffalo3se driving a preamplifier, do I need a Mercury or other I-V stage or just a shunt resistor on the output of the DAC?

Brian Donegan  
#2 Posted : Tuesday, September 15, 2020 6:55:50 PM(UTC)
Brian Donegan

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You don't ever need a shunt resistor at the output.

You can generally connect the DAC directly to a pre-amp, without an output stage. In this case, the the input impedance of the pre-amp, the DAC will be acting as a voltage source.

Without an output stage, you will miss out on filtering (digital noise) and, depending on the pre-amp, proper balanced-to-single0ended conversion.

There is certainly no harm to trying it this way, and you can always add an output stage later if you feel you need one.
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