Motörhead were the authors of heavy metal anthems including the Ace of Spades.
Campbell went on to tour with his own band, alongside his three sons, and recently performed a “sell-out” show at the Muni arts centre in his hometown of Pontypridd.
“All at Y Muni are saddened to hear of the passing of Phil Campbell,” the arts centre said.
“Phil was a huge influence on the music industry and will be remembered fondly.”
The German heavy metal singer Doro Pesch said she was “at a loss for words”, adding that it had been an honour to call Campbell her friend.