i have a question , why my boss bd-2 has more level than my boss ds-1 , my bd-2 is louder than my ds-1 if i set on 12 o'clock . isnt that normal? thnx
They are different pedals and have different gain structures. So, a gain setting of 12 on one doesn't necessarily translate to the same dB on another (different) pedal set to 12.

This is completely normal.

Also, you'd probably be better off posting this in the GG&A area, which is here:

Last edited by KG6_Steven at Sep 8, 2013,