Resonator guitar
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A resonator guitar or resophonic guitar is an acoustic guitar that produces sound by conducting string vibrations through the bridge to one or more spun metal cones, instead of to the guitar's soundin
Single cone resonator with metal body
Early resonator guitar
First National resophonic guitar (c. 1926–7)
Dobro-style "spider" resonator on a Hohner guitar (cover removed)
Dobro
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Dobro is an American brand of resonator guitars owned by Gibson and manufactured by its subsidiary Epiphone. The term "dobro" is also used as a generic term for any wood-bodied, single-cone resonator
Resonator guitar
…A resonator guitar or resophonic guitar (often generically called a "Dobro") is an acoustic guitar that produces sound by conducting string vibrations through the bridge to one or more spun metal cones (resonators), instead…
Dobro–style tenor guitar, 1934