Why Metallica Stopped Using Amps Live James Hetfield’s guitar tech explained that Metallica stopped using guitar amps after they first using amp modelers at their 2013 show in Antarctica. Continue reading… Related Posts:Hetfield + Trujillo Name Jobs They'd Do if Not for MetallicaThe Song Metallica Wrote as an ‘Answer’ to ‘Enter Sandman’A Guitar Metallica Used to Pay Tribute to Ozzy Is Up…Metallica to Play Exclusive Show at 250-Capacity VenueWhat Metallica Text Each Other in Their Group ChatMetallica Fans Set Off Seismograph at Recent ShowSee also 10 Producers Who Defined the Sound of ‘80s Hard Rock + Metal