The actual part #'s are MJ15......
The MJ15003/4 are 20A, 150V, 25 min hfe, Ft = 2Mhz
The MJ15022/3 are 16A, 200V, 15 min hfe, Ft = 4 Mhz
It will depend on the actual amp design as to whether or not this swap will even work, much less give an improvement.
The MJ15003/4 are 20A, 150V, 25 min hfe, Ft = 2Mhz
The MJ15022/3 are 16A, 200V, 15 min hfe, Ft = 4 Mhz
It will depend on the actual amp design as to whether or not this swap will even work, much less give an improvement.