Reply To: Atma-Sphere MA1 3.2 vs Pass XA60.8 amp home › Forums › General Discussion › Atma-Sphere MA1 3.2 vs Pass XA60.8 amp › Reply To: Atma-Sphere MA1 3.2 vs Pass XA60.8 amp April 18, 2022 at 8:47 pm #1174 chungjhParticipant @mikeB I am curious about your experience with the CAT JL3s. How many times did you blow the tubes? Did they blow because they were overdriven or just old tubes? I am considering CAT amps and this worries me.