Boss LMB-3 Bass Limiter/Enhancer Pedal (Used) Fretless Bass Guitar Triple locking

Triple locking

All parts look to be original and in good working condition

Dobro and Hawaiian-type guitars

There’s also an internal trimpot which provides adjustment to fine tune the self-oscillation

Here is the write up from the Gibson catalog at the time

Boss LMB-3 Bass Limiter/Enhancer Pedal (Used) Fretless Bass Guitar Triple lockingThis pedal is in very good condition with minor cosmetic wear. It has been fully tested and is working with no issues. The original box is not included. From Boss LMB 3: Bass Limiter Enhancer The LMB 3 affords complete control over a bass guitar's dynamic range using a limiter effect and an enhancer circuit designed specifically for electric bass. Full control of bass guitar's dynamic range via threshold level and ratio knobs Enhancer provides