Mains Voltage lowered from 230V to 170V with a Variable Transformer, Variac. 1976 Super Lead with the Forsberg DF100VH mod into two 1971 Marshall 1960 cabs with G12M25 75Hz Pulsonic Celestion Greenbacks. Guitar 2010 Gibson Les Paul Custom R7. Close mic Unidyne IV 548 and room mic AKG c414 BXLII omni at 10 feet. Sound interface studio konnekt 48 and PC with Cubase.