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-   -   ladder type vr as pre for aleph (http://www.diyaudio.com/forums/pass-labs/26761-ladder-type-vr-pre-aleph.html)

jrsun 24th January 2004 08:48 PM

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 ?
Thanks !


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