Rock Guitars Stories People Forever
Mark Morton guitars gear — Gibson Les Paul Custom, Diezel VH4, Seymour Duncan JB deep-dive for Lamb of God's lead guitarist and Anesthetic solo artist.
Greer Lightspeed Organic Overdrive guide: the epoxy-potted circuit, the Freq knob explained, verified players, tone recipes and 2026 buying advice.
The Maxon OD808 is the original 808 overdrive circuit — JRC4558 op-amp, Panasonic MA150 diode. Used by Mark Morton, Dutkiewicz and Lee Malia.
Mesa/Boogie Mark IV: 18 years of Simul-Class power behind John Petrucci, Lamb of God, and the tones that defined progressive metal.
The Mesa/Boogie Mark V 90 Head packs nine amp voices into one 90-watt Simul-Class head. Full specs, verified artists, and tone recipes inside.
The Mesa/Boogie Mark VII packs nine legendary voices—Mark IIB, IIC+, Mark IV—into one 90-watt Simul-Class head. Here's everything you need to know.