Ibanez Thermion TN120 Manual Del Usuario página 5

Power Tube Bias
In order to maintain the original sound of the Thermion, it is important that proper output tube bias is maintained. We have provided a simple method for quickly
biasing your amplifier. It is highly recommended that only experienced technicians familiar with vacuum tubes perform this operation, as there are lethal voltages
within the amp as well as very hot tubes.
Maintaining Proper Output Impedance
Proper impedance of the speakers to the amplifier are very important. Improperly matched impedances can cause poor performance or in some cases damage the
amplifier. Always make certain proper load is connected before operating the amplifier. Failure to do so could pose a shock hazard. It is therefore very important to
properly connect your speaker cabinet or cabinets to the proper jack or jacks. Please reference the following diagrams in order to obtain the correct hookup for your
situation.
1 x 4 ohm connection
1 x 16 ohm connection
2 x 16 ohm connection
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