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SECTION FOUR
Connecting an Evolution Amplifier
to Your System
This section describes Evolution amplifier connections. Each Evolution amplifier
channel has a CAST 4-pin connector, a balanced input via an XLR connector, a
single-ended RCA connector, and a pair of loudspeaker binding posts. The rear
panel also has 12 VDC trigger input and outputs, and a backlight remote trigger
input. All inputs and outputs ar
e located on the Evolution amplifier back panel.
Maintain the cor
rect left/right orientation, when hooking up your system.
CAST Connections
Krell recommends using its proprietary Krell CAST system for unparalleled sonic
performance for connections between the Evolution amplifier and other CAST-
equipped components. Krell CAST uses flexible interconnecting cables that can
be drawn through tight spaces and concealed.
Balanced Connections
The Evolution amplifier also offers balanced operation. The circuitry and connec-
tions associated with balanced operation not only can minimize sonic loss but
also are immune to induced noise, especially for installations using long cables.
XLR Pin Configuration
Pin 1 Ground
Pin 2 Non-inverting (0
O
) (hot)
Pin 3 Inverting (180
O
) (cold)
Single-ended Connections
Each Evolution amplifier channel has one single-ended input. If connecting a vacuum
tube pr
eamplifier
, use the single-ended inputs only (see below). Connect the u-shap-
ed jumpers between pins 1 and 3 of the XLR connectors when using single-ended
inputs.
continue
d