anyone know of a power cord designation simlar to nema 13 but smaller its used on a roland R8 has round pins has a power brick between it and te ain power plug https://electricdenimstudios.com/wp-content/uploads/2016/04/Roland-R8-MKII-Vintage-Drum-Machine-Human-Rhythm-Composer-02.jpg http://www.vintagesynth.com/sites/default/files/2017-05/roland_r8mkii_rear_lg.jpg