THD UNIVALVE INSTRUCTION MANUAL
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8. Impedance switch:
This switch allows you to set your UniValve to match the
impedance of your speaker cabinet. Most speaker cabinets and combinations of cabinets
will use the "8 or 16 Ohm" setting. However, if you use 4 Ohm loads you will find the "2
or 4 ohm" setting to be slightly louder, and has a bit more low-mids. Of course, this side
should be used for 2 Ohm loads. The
Standby
switch should be engaged when switching
between impedance settings.
9. Speaker Output:
For connection to a speaker cabinet. Connect speakers with
unshielded speaker cable only. When there is no speaker plugged into the speaker jack,
the amp uses its own built-in dummy load so no damage will occur. This way, you can
silently use of the amp for direct recording or monitoring through a line out connection to
a mixing board, when playing or recording a cabinet is not practical.