T.N.T. (album) T.N.T. (album) T.N.T. is the second studio album by Australian hard rock band AC/DC, released only in Australia, on 1 December 1975. After the success of the single "Baby, Please Don't Go" and the album "High Voltage", AC/DC returned to Albert Studios in Sydney to record their second LP with producers George Young and Harry Vanda. George was the older brother of guitarists Malcolm Young and Angus Young and had enjoyed his own success in the group the Easybeats. "T.N.T." marked a change in direction from AC/DC's debut album, "High Voltage", which was released on 17 February 1975; whereas "High
Angus Young he would begin using in 1977, was also used as a compressor and a booster in his signal to "fatten up" his tone. Ever since adding it to his rig, it was used on several albums in the studio for chosen rhythm guitar tracks and all lead guitar tracks. Beginning with "Rock or Bust", due to the discontinuation of the Schaffer system, Young began using a replica of the unit's preamp with a commercial wireless unit. Contrary to popular belief, Angus and Malcolm have both stated in guitar enthusiast magazine interviews that very little pre-gain, if any, is used on