MXR Phase 90 Block Logo -- 1979 --------------------------------------------------------------------------- $180
MXR Distortion Plus Block Logo with power Jack mod-- 1980 -------------- --------------------------- $100
MXR DynaComp Block Logo -- 1980 ------------------------------------------------------------------------- $150
MXR Analog Delay With the Reticon R5101 BBD chip and the power cord mod -- 1978 ----------- $350