Matching a P pickup to a Model J bridge pickup?

[kurosawa]

I have a stock MIJ SQ-Series P pickup and a Model J bridge pickup. I plan to put them in a PJ body and mainly to solo each, but I may end up blending them with a switch, not a balance or second volume control, as I see G&L and Yamaha have done this to nobody's strong objection. Will this particular pair make a good sounding blend and a good enough volume match that I won't have to adjust levels between tunes?

[JimmyM]

It might, as most people's complaints about the PJ pairing centers around the J not being loud enough, and the Model J is certainly a hot pickup.

[kurosawa]

I looked at the Ultra also. Its output is stated at 250mv compared too the Model J's 155. The model P is listed at 163. Considering the mid position is twice as far away as the original bridge pickup, so string excursion should give roughly twice the amplitude, roughly twice the output would seem appropriate. However the ultra is scoopier and I have heard it is clean.