Martin MA170T Authentic Acoustic Lifespan 2.0 Treated 80/20 Bronze Guitar Strings - Extra Light 10-47 deluxe-bob-weir-bedford Like the U 67

Like the U 67

Mic Insert: 22K Ohms 1/4" TS unbal

and front access panels

Truss Rod: Vintage-Style Butt Adjust

Martin MA170T Authentic Acoustic Lifespan 2.0 Treated 80/20 Bronze Guitar Strings - Extra Light 10-47 deluxe-bob-weir-bedford Like the U 67Next generation Martin Authentic Acoustic Lifespan 2. 0 strings are engineered using a new, patented anti corrosion treatment only available from Martin. It protects the core and wrap wire to prevent corrosion without compromising tone or feel. Our impeccable standards for acoustic guitar tone are embedded in our string design and precision manufacturing process. Thats why we make our own.