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roscoeiii
10-05-2009, 01:56
Hi Folks,

I'm looking into some passive preamplifier options and in some of the DIYaudio sections there is a lot of discussion of impedance matching (for example the B1 buffer thread).

I own a 7510 which is my main input to my preamp (needed due to my need for analog input options), and can't seem to find any info on what its output impedance is.

Does anyone know the output impedances for the Beresford DACs?

Is the output impedance the same for the 7510 and 7520 (an eventual upgrade for me, I hope)