Typical Input Wiring - Crown K-Series Reference Manual

5. Connect the inputs of the K-Series amp to your mixer,
preamplifier, or other equipment ahead of the amp. Two
types of balanced input connectors are provided, allow-
ing you to choose either 1/4-inch phone or 3-pin XLR con-
nectors. You can also choose to use either balanced or
unbalanced wiring. (See the section Balancing the Line
on page 28 for an explanation of balanced vs. unbal-
anced wiring.)
Input Wiring Tips
1. For all input connectivity, use shielded wire only. Cables with a
foil wrap shield or a high-density braid are superior. Cables with
a stranded spiral shield, although very flexible, will break down
over time and cause noise problems.
2. Try to avoid using unbalanced lines with professional equip-
ment. If you have no choice, keep the cables as short as pos-
sible. (Refer to the section Balancing the Line on page 28.)
3. To minimize hum and crosstalk, avoid running low-level input, high-level output and AC
power feeds in the same path. Try to run differing signal paths at 90° to one another. If
you must use a common path for all cables, use a star-quad cable for the low-level
signals.
4. When changing input connectors or wiring, turn the amplifier level controls all the way
down (counter-clockwise).
5. When changing output connections, a professional will turn the amplifier level down and
the AC power off to minimize the chance of short-circuiting the output.
If the Bridge Output switch is ON, only the Channel 1 in-
put connectors should be used. If only the "Y" input
switch is ON, then either set of connectors can be used.
Fig. 2.4
Typical Input
Wiring
Page 16
K-Series Balanced Current Amplifier™