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Connecting the KPS 28c
to Your System See Figure 2 on page 7
INPUT AND OUTPUT
CONNECTIONS
Analog Output Connections
The KPS 28c is equipped with three analog out-
put connections: CAST, balanced, and single-
ended. Krell recommends using its proprietary
Krell CAST system for unparalleled sonic per-
formance between the KPS 28c and other Krell
CAST-equipped components.
The KPS 28c also offers conventional balanced
operation. The circuitry and connections associa-
ted with balanced operation not only can minimize
sonic loss but also are immune to induced noise,
especially for installations using long cables.
Balanced connections have 6 dB more gain than
single-ended connections. Please keep this speci-
fication in mind when level matching is critical.
The XLR pin configuration is described below:
Pin 1 Ground
Pin 2 Non-inverting (0
°)
Pin 3 Inverting (180
°)
The CAST, balanced, and single-ended outputs
are located on the back panel. Maintain the cor-
rect left/right orientation.
IMPORTANT
Connecting non-CAST components to CAST
inputs or outputs can damage your equipment
and void your warranty
Do not attempt to change CAST cable termina-
tions or CAST inputs or outputs to RCA or XLR
connectors. It is electrically impossible to con-
vert CAST input or output connections for bal-
anced or single-ended voltage operation.
Please read the Warranty, on page 15, to
understand the warranty limitations of the KPS
28c.
Digital Output Connections
The KPS 28c is equipped with one EIAJ fiber
optic digital output with a TosLink connector and
one coaxial digital output with an RCA connector.
Use these connections to send this output to a
digital recording device, external digital/analog
processor, or video source.
CONNECTING THE KPS 28c
Follow these steps to connect the KPS 28c to
your system.
1. Make sure all power sources and compo-
nents are off before connecting inputs and
outputs.
2. Neatly organize wiring between the KPS
28c and between all system components.
Separate AC wires from audio cables to
prevent hum or other unwanted noise from
being introduced into the system.
3. Connect the Krell CAST cables from the left
and right Krell CAST 4-pin outputs (13)
the KPS 28c back panel to your CAST-
enabled preamplifier. For balanced or single-
ended operation, connect the interconnect
cables from either the left and right balanced
(14) or the single-ended (15) outputs on
KPS 28c back panel to the balanced or sin-
gle-ended inputs on your preamplifier. (The
remaining outputs can be connected to
another preamplifier in a different system.)
12
Krell Playback System 28c