1932 National Triolian Polychrome RYRA TREM/PHASE SWITCH - LFO 2

TREM/PHASE SWITCH - LFO 2 controls either secondary phase circuit tremolo circuit

It's a thick chorus sound with a warm tonality and plenty of character

When the LED is orange

Without question

1932 National Triolian Polychrome RYRA TREM/PHASE SWITCH - LFO 2The National Triolian is without doubt the most popular and recognisable metal body resonator guitar, having been a mainstay in guitar music from the 1930's onwards, shaping the sound of the delta blues and going on to be used by blues and rock players throughout the decades to follow, all of whom looked for it's signature powerful, metallic sound. Triolian models were manufactured from 1928 through to 1938, and were produced as wood body models