7. Wiring and Setting Up
14
CMS 3.0 Series Operation Manual rev 3.0.0
7. Wiring and Setting Up
1. Open the wiring cover (if applicable) and locate the Euro-type
connector plug and socket at the back of the speaker. (Fig.1)
2. For connection to an amplifier, use Pins 1 and 2 (Fig.2):
• Pin 1 is positive
• Pin 2 is negative
For connection to additional speakers in a distributed line,
Pins 3 and 4 are in parallel where:
• Pin 3 is negative
• Pin 4 is positive
3. Close the wiring cover and tighten both screws on the cable clamp
(if applicable).
4. Use the rotary switch on the front of the unit to select low
impedance (LoZ) mode or high impedance (70 V or 100 V) for
distributed applications.
THE SPEAKER IS SUPPLIED IN LOW IMPEDANCE MODE. NEVER
CONNECT THE SPEAKER TO A 70/100 VOLT AMPLIFIER WHILE IT
IS SET FOR LOW IMPEDANCE.
CMS 403DCe/ICTe and CMS 503DC/ICT models (all variants) use a
30 W transformer. In distributed line applications, the transformer can
be tapped at 30 W, 15 W and 7.5 W, with an additional 3.75 W tap
for 70 V line systems. (Fig.3)
CMS 603DC/ICT and CMS 803DC models (all variants) use a 60 W
transformer. In distributed line applications, the transformer can be
tapped at 60 W, 30 W and 15 W, with an additional 7.5 W tap for
70 V line systems. (Fig.4)
Fig.1
Fig.2
Fig.3
Fig.4
