No, before that, a deeper and more purple group was claiming it.
1972
Deep Purple held the record and were recognized by The Guinness Book of World Records as the “globe’s loudest band” when in a concert at the London Rainbow Theatre their sound reached 117 dB. Three of their audience members were rendered unconscious.[3][4]
1976
The Who were listed as the “record holder”, at 126 dB, measured at a distance of 32 metres (105 feet) from the speakers at a concert at The Valley in London on 31 May 1976.[5]