Here's what Ibanez says about the AS7312-TCD Artcore 12-String Semi-Hollow Electric Guitar:
 
Nyatoh neck:
The 3pc Nyatoh/Maple Neck provides a rich mid-low end.
 
Walnut fretboard:
A Walnut fretboard features a well-balanced tonal character from low to high end.
 
Medium frets:
Medium sized frets enhance the accuracy of your notes.
 
Linden top / Linden back and sides:
Linden delivers a natural and flat, yet accurate, tone.
 
Classic Elite pickups:
Classic Elite pickups offer rich, nuanced tone with fat low-end.
 
ART-12 bridge:
The ART-12 bridge provides improved sustain and tuning stability.
 
ART-12 tailpiece:
ART-12 tailpiece provides excellent tuning stability.
 
Specifications:
AS Artcore Nyatoh set-in neck
22 frets
Linden top/back/sides
Bound Walnut fretboard w/Acrylic block inlay
Medium frets
Max body thickness: 2 5/8" / Width at lower bout: 15 3/4"
Classic Elite (H) neck pickup
Classic Elite (H) bridge pickup
ART-12 bridge
ART-12 tailpiece
Chrome hardware