Hi I make this schematics based over the pultec filter sch:
http://i2.photobucket.com/albums/y23/Naudio/Pultec/pultec-filter.gif
I use Cinemag CML-150MT inductor and I calculate capacitor values with this L-C filter calculator:
http://circuitcalculator.com/lcfilter.htm
At this time I make the box for the pultec:
http://i2.photobucket.com/albums/y23/Naudio/Pultec/Pultec1.jpg
http://i2.photobucket.com/albums/y23/Naudio/Pultec/pultec-filter.gif
I use Cinemag CML-150MT inductor and I calculate capacitor values with this L-C filter calculator:
http://circuitcalculator.com/lcfilter.htm
At this time I make the box for the pultec:
http://i2.photobucket.com/albums/y23/Naudio/Pultec/Pultec1.jpg