Tube DIY Asylum: Re: Stepped attenuator with low profile for Fi Y pre? by dave slagle Do It Yourself (DIY) paradise for tube and SET project builders.

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Posted by dave slagle (M ) on January 11, 2006 at 18:28:40

In Reply to: Stepped attenuator with low profile for Fi Y pre? posted by restock on January 11, 2006 at 17:25:53:

if you are listening at such low levels that the pot is mistracking, chances are you have way too much gain.

try this simple test. at the point where the pot shows a 6dB difference between channels measure the various resistances between the pins. This will allow you to calculate the attenuation you are using and give you a better picture of what you need to do.

Simply finding a pot that tracks better below -40dB of attenuation is a band-aid to a wound that needs stitches.

dave

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