From a tonal perspective, does the B-6 (or A-6) sound different if installed on a carved guitar or a laminate?
The pickup itself will produce the same sound on either a carved or laminated body. The voice of the instrument however (the actual sound we hear), especially at reasonably low volume, is a blend of the amplified sound (the pickup) and the acoustic sound (the sound coming directly from the body). The acoustic sound certainly will be more prevalent on a carved body than a laminated one, but in either case we hear a blend of both.