OPERATION MANUAL MODEL : MINITORII - DESKTOP AMPLIFIER
REV 1 MAR 2018
Maintenance
!
There is no real maintenance on the amplifier other than to keep it and the jacks
clean. The best tool for dusting your Mini Torii is a 2 inch paint brush. If you have
to really clean it, remove the tubes and spray some windex (
window cleaner
) on a
cloth rag and wipe the surfaces clean. When dry, clean and re-install the tubes.
!
Tubes should be replaced every couple years on average, but it is dependent upon
use.
!
Since tubes wear out slowly it is hard to hear when to change them. The trick is
simple. You have a complete new set of tubes on hand and every 6 months you
install them to see if the sound gets better. If it does it’s probably time for new
tubes. If not, put the new tubes back in the boxes and store them away for
another 6 months.
!
The tubes that wear out the fastest are the output tubes (6V6), followed by the
input tubes. The remaining tubes usually last several years.
!
!
NOTE: the level controls and and the volume controls are designed to be used, so it
is good to periodically turn them throughout their full range before the amp is
turned on just to work the dust out of them. This is especially true if the amp has
sat for any length of time (months) without use.
!
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