Do you have a question about the Engl 930/60 and is the answer not in the manual?
Fuses protecting individual power tubes, with fault indicators.
Switches for standby operation and main AC power.
AC power input socket and fuse box for mains fuse.
Send and return jacks for stereo effects loop.
Explanation of the Emergency Circuit System for power tube failure.
Critical warnings regarding operation, maintenance, and safety.