Mike
Looking Good!
If you settle on 5 ohms, for the series R with the peaking coil, just use #30 awg wire , and omit the R.
For help on coil winding dimensions see Shavano Music On Line. The real key, is to make the coil form radius = the cross section height and width. This maximizes the Q with minimum wire. I can't wait until you listen and plot frequency curves.
Don