Mainly NEVER flip the switch with the unit turned on.
(
It is for using different types of tubes.
The setting should be indicated in the owners manual. or from the company.
With the switch in the wrong setting for the
low
setting tubes with the switch set to high will burn out the tubes a lot faster.
With it set too low for the other tubes, they will not sound very good.
(
It is for using different types of tubes.
The setting should be indicated in the owners manual. or from the company.
With the switch in the wrong setting for the
low
setting tubes with the switch set to high will burn out the tubes a lot faster.
With it set too low for the other tubes, they will not sound very good.