The Twelfth Fret - Guitarists' Pro Shop
2132 Danforth Ave Toronto Canada | Sales: 416-423-2132 | Service: 416-423-1554 | sales@12fret.com

National ResoPhonic Guitars

National Reso-Phonic makes uniquely American instruments. The resophonic guitar was invented in 1925 by John Dopyera, at the urging of George Beauchamp. At the time, amplification hadn’t been invented but venues – especially silent movie theaters – were getting larger and louder, and instruments couldn’t keep up.

In response, Dopyera created an instrument based on a spun metal cone, that worked much the way a modern speaker does, and was much louder than traditional instruments. The initial models were tri-cones, and to produce them, Dopyera, his brothers, Beauchamp and other investors formed the National String Instrument Corporation.

Production began in 1927, and they were very successful but after a few years the Dopyera Brothers formed another company named after themselves – Dobro.  As it happens, in Slovakian, the Dopyera’s native language, Dobro also means “Good!“, and they used this in their slogan, “Dobro means good in any language!“.

The National String Instrument Corporation continued until 1932, when the Dopyera brothers regained control of it and merged National and Dobro.

In 1989, National Reso-Phonic Guitars was formed by Don Young and McGregor Gaines, to re-create the historic National instruments – guitars in round and squareneck models, six and twelve string, single and tri-cone, biscuit and spider bridges, acoustic and electric, plus resophonic mandolins and ukuleles.

The Twelfth Fret is proud to be the world’s largest National Reso-Phonic dealer, and we always have a wide range of models in stock, in single and triple cone models, in wood and metal bodies.


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2016 National Dueco Gold 12 Fret Resophonic Guitar

Here is a brand new National Dueco Gold in the 12-fret configuration. Like all Nationals, it is extremely well built and the tone

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2016 National Dueco Gold Resophonic Guitar

The National Dueco model is a re-creation of an almost lost technique, the result of an additive to the finish that creates a random crystalline

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2016 National M-14T ThunderBox Revolver Resophonic Guitar

The National M-14T Thunderbox is the latest version of National's standard M-14 and features a 4" deep body, delivering more low end and applied volume.

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National M-14T ThunderBox Denim

The National M-14T Thunderbox is the latest version of National's standard M-14 and features a 4" deep body, delivering more low end and applied

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National Reso-Phonic ResoRocket Steel Guitar

The National Reso-Phonic Reso Rocket is one of National's newly designed single resonator guitars.

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National Reso-Phonic M-1 Cutaway Tricone

The wood body National Reso-Phonic M-1 Cutaway Tricone blends the sound of a tricone with the warmth of wood, and has a lighter weight as

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National Reso-Phonic M-1 Tricone Wood Body

The wood body National Reso-Phonic M-1 Tricone blends the unmistakable sound of a tricone with the warmth of wood, with lighter weight as a bonus.

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National Reso-Phonic Revolver Resolectric Guitar

The current National Reso-Phonic Revolver Resolectric model uses an audiophile-quality Highlander preamp to mix the magnetic and piezoelectric pickups.

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National Reso-Phonic El Trovador Single Cone Guitar

Designed in collaboration with Mike Dowling, the National El Trovador is patterned after the famous National guitars produced from 1932-1933.