
Back Panel, continued
5Left and Right Single- ended Inputs Stereo. One left single- ended input and one right
Monaural. One single- ended input via an RCA connector.
6Left and Right Balanced Inputs Stereo. One left bal- anced input and one right balanced input via XLR connectors.
712 VDC Out/In
(12 V trigger)
The 12 V trigger enables you to turn the Evolution amplifier on or to stand- by from other compo- nents.
Out. The output sends 12 VDC (12 V trigger) power on/off signals to other Krell components and other devices that incor- porate a 12 V trigger.
8Backlight
Ext In. Connect a 12 V trigger to Ext In to turn off the power status indica- tor using a remote con- trol. On/Ext (see below) must be active in order for Ext In to function. On/Ext. Activates the power status indicator (2). The factory default is on/ext.
Off. Turns off the power status indicator.
9IEC Power Connector Used to connect the pro- vided 20 amp AC power cord.
10Back Panel Power Breaker Switch Place this switch in the up position to put the amplifier in
Krell Evolution Amplifiers
Figure 4
Evolution 403
Multi-channel
Amplifier
Back Panel
Figure 5
Evolution 400
Monaural
Amplifier
Back Panel
Figure 6
Evolution Monaural 600 or 900 Amplifier Back Panel
(Evolution 600 shown)
3