ladder type vr as pre for aleph
I temped to build a passive preamp for my Aleph 2 by using a 10K ladder type VR but have the following questions
1. the ladder VR has constant input Z, i.e. Ri + Rg, but how about the output impedance ? Rg ?
2. Aleph has low imput Z, 25K, if the Z ratio is low, what do I suffer ?
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