Ok, technical practices then?
The black amplifier that used 2N3055s instead of 2N3055Hs, so if you clipped the amplifier (dropped the stylus, for example) it blew up the output stage...
The black amplifier that used 2N3055s instead of 2N3055Hs, so if you clipped the amplifier (dropped the stylus, for example) it blew up the output stage...