Martin OMJM John Mayer 20th Anniversary Classical/Nylon String Guitars The Low Filter knob determines

The Low Filter knob determines the frequency below which the signal remains unprocessed

The scale length is 628 mm

and clear highs

This makes it ideal for a wide range of styles – from funk and soul to rock

Suhr Classic T Antique Olympic White with Rosewood Fretboard

Martin OMJM John Mayer 20th Anniversary Classical/Nylon String Guitars The Low Filter knob determinesThe OMJM John Mayer 20th Anniversary is yet another confirmation of why the marriage between John Mayer & Martin is so special. It's been twenty years since Martin & John Mayer joined forces for the original OMJM guitar and of course that can't just pass by. Once again, John & Martin joined forces to create a fantastic anniversary guitar. First of all, there is of course the immediately eye catching Gray Sunburst finish that makes this Martin a real