Boss PSM-5 Power Supply & Master Switch Pedal (1990) Tension Rods & Washers The core of the MXR

The core of the MXR Joshua Ambient Echo is its highly customizable delay setup

At the heart of the H620 lies two 6L6 power tubes and three 12AX7 preamp tubes

all-isolated power supply

full and powerful for total presence and penetrating power

With the Green Magics

Boss PSM-5 Power Supply & Master Switch Pedal (1990) Tension Rods & Washers The core of the MXRThis pedal is in good condition with minor cosmetic wear. It has been fully tested and is 100% working well with no issues. The original box is not included. This is the writeup on the pedal translated from Japanese from a 1990 copy of the Boss "All About Effectors" Catalog Volume 11 "It can provide stable power for up to seven 9V effects pedals, and the power supply and master switch allow centralized control of the effects on off of multiple effects