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RE: Atma-Sphere S30 with a passive pre-amp

Usually you want a lower impedance and 10K is a good value. The problem is that with a passive, the 10K is the impedance that your source will have to drive. It might not be so happy with that, so then you have to run a higher resistance in the passive, which can be troublesome for interconnect control.

In your case you are avoiding this (I assume) by running your control at a higher setting all the time, on account of your source is only 2 volts. So I would not worry about it if what I just said is true.


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