Boss Japan PH-1 Phaser March 1981 -Silver Screw era Made in Japan PH1 Phase reverb Using all USA-Made parts and

Using all USA-Made parts and made by hand in Richmond

First there was the Plexi-Drive

The G1 and G2 toggles let you select various forms of distortion via select resistance values that switch in and out in the clipping section of the circuit

Brian has added further gain capabilities to this circuit

Boss Japan PH-1 Phaser March 1981 -Silver Screw era Made in Japan PH1 Phase reverb Using all USA-Made parts andBOSS Japan PH 1 Phaser . March 1981 , later Silver screw & Long Dash era . Serial # 0400 Normal on off LED operation. In great working order, but showing of battle scars a plenty. Please check all the pictures. Battery clip appears to have been replaced. Still running ACA spec power with a significant TONE difference between 9 volt power and battery 12 volt power. LED also barely lights when running 9 volt power in Global Vintage Est Sydney 2004 0494