1) Remove the cover
WARNING - This amplifier uses voltages that could cause injury or death. Never open the amplifier while it is plugged in, and always wait at least one hour after turning the unit off to unplug and open the unit. Lethal voltages can remain in the electronics after the unit is unplugged
2)Locate the four small shunts on the control circuit board as shown in figure 4.
3)Using a needle nose pliers carefully remove the four shunts from the locations marked “int pre” and move them to the adjacent locations marked “ext pre.”
4)Rotate the selector knob to preamp on the front panel.
5)Connect the external preamp to the inputs on the rear panel marked preamp.
External / |
Internal |
Preamp |
Shunts |
Figure 4
Rogue Tempest Owners Manual | 7 |