With its deluxe appointments and Fishman Nashville pickup, the Bobtail Square-Neck stands out in the mix in multiple ways. The vital feature of all Gretsch resonator guitars is the Grestch Ampli-Sonic resonator cone, which is hand-spun in Eastern Europe from nearly 99 percent pure aluminium, yielding impressive quality and volume of tone. It's a well-equipped entry-level resonator guitar.