Crown Audio ADDENDUM 28M 用户手册
Commercial Audio Series Mixers
page 9
Operation Manual
MIXER INPUT
MIXER INPUT
2.3 Choose Input Wire and Connectors
Crown recommends using pre-built or professionally wired
bal anced line (two-conductor plus shield), 22-24 gauge cables
and connectors. You should use 3-pin Phoenix-type cable ends at
the mixer inputs. Unbalanced line may also be used but may
result in noise over long cable runs.
Crown recommends using pre-built or professionally wired
bal anced line (two-conductor plus shield), 22-24 gauge cables
and connectors. You should use 3-pin Phoenix-type cable ends at
the mixer inputs. Unbalanced line may also be used but may
result in noise over long cable runs.
Figure 2.3 shows connector pin assignments for balanced wir ing,
and Figure 2.4 shows connector pin assignments for unbal anced
wiring. The RCA input connectors can also be used for
unbalanced inputs.
and Figure 2.4 shows connector pin assignments for unbal anced
wiring. The RCA input connectors can also be used for
unbalanced inputs.
NOTE: Custom wiring should only be performed by
qualifi ed personnel. Class 2 wiring is required.
qualifi ed personnel. Class 2 wiring is required.
2.4 Choose Output Wire and Connectors
Use 2-conductor shielded cable and 3-pin Phoenix-type
connec tors for Line Output wiring (Figure 2.5).
Use 2-conductor shielded cable and 3-pin Phoenix-type
connec tors for Line Output wiring (Figure 2.5).
Figure 2.3 Balanced Input
Connector Wiring
Connector Wiring
Figure 2.4 Unbalanced Input
Connector Wiring
Connector Wiring
2 Setup
Figure 2.5 Line Out Wiring.
Top: Balanced. Bottom: Unbalanced.
Top: Balanced. Bottom: Unbalanced.
S
S
BALANCED LINE
TO DESTINATION
UNGROUNDED
PRODUCT WITH
2-PRONG POWER
CORD ONLY
UNGROUNDED
PRODUCT WITH
2-PRONG POWER
CORD ONLY
TO DESTINATION
UNBALANCED LINE
OUTPUT
OUTPUT
SHIELD
SHIELD
(This connection reduces
the signal level by 6 dB.)
the signal level by 6 dB.)