Martin Luxe Kovar Nickel-Cobalt Acoustic Guitar Strings, Medium Gauge, 13-56 apbatch0107 The carve on the top

The carve on the top carve profile is more modern with a shallow arch

Below is a short list of some obvious

Lugs: Brass Tube Lugs (MTL60)

bypass and ground lift controls

Martin Luxe Kovar Nickel-Cobalt Acoustic Guitar Strings, Medium Gauge, 13-56 apbatch0107 The carve on the topThese exceptional acoustic guitar strings offer enduring quality and deliver a well balanced tone, enhanced by the heightened responsiveness and attack of Kovar wrap wires. Kovar, a unique nickel cobalt alloy, combines with Martin's traditional SP cores to produce a rich, high fidelity sound with robust dynamic sensitivity and added resistance to corrosion. Martin is a leading authority in the world of acoustic guitars, and these strings reflect the