I don't really believe in so-called sweet spots because such a spot would move every time you fretted a note ... but that's not to say that pickups don't sound different in different positions.
However, where you position the pickup will need to take account of the string spacing in relation to the spacing of the poles of the pickup. You'll want them to match up.
Similarly, You'll need to position the bridge carefully to get the right scale length - a Coronado has a 21 fret neck and 30" scale but an Epiphone EBO has only 20 frets but a 30.5" scale.
If you are using the Epiphone neck you will need to use the Epiphone scale length.