Marshall 1987X 50W Plexi Reissue is Compared to a Tube Amp Doctor kit (JTM45 mostly converted to 1987, diod rectifier, split V1 cathode etc, the extra tube is used for the effects loop). Guitar 2008 Gibson Les Paul R9, Cabinet 1969Marshall 1960A with 1973 Celestion G12M25 75Hz Greenbacks.