Michael Zacherl wrote: > OTOH, your caps across the pickups, what's their tolerance? Very good question. only +-10%. The active filter is +-2.5%, but variable anyway. Given both are 12dB/oct, there is some serious peaking going on at times, very much affected by components. Something gritty about the whole process. Like flying an old aeroplane. The rest... Cambridge :) Tony (HB)