8
9
7.3 MECHANICAL INSTALLATION INSTRUCTIONS FOR OPTIONAL PLASTER RING:
Lay the speaker wiring to where the speaker will be fitted and complete the
plastering work on the ceiling.
2
Insert grille by pushing it onto the speaker.
6
Nail or screw the plaster ring to the joists.
1
An optional plaster (mud) ring bracket is available from Tannoy. This bracket is designed to be pre-installed into newly
constructed, non-suspended ceilings.
Cut out the hole in the ceiling using a circular saw or pad saw.
3
5
Go to section 6 for instructions on wiring then return to point 5 below.
4
CMS
8. WIRING AND SETTING UP:
Locate the euro socket at the back of the product.
1
For connection to an amplifier, use pins 1 and 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
2
Use the rotary switch located on the front of the unit to select whether you wish to use
the speaker in a low-impedance or distributed-line application.
3
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.
All CMS401e and CMS401 DCe models use a 30W transformer. When using distributed-
line systems, the transformer can be tapped at 30W, 15W and 7.5W, with an additional
3.75W tapping for 70.7V line systems.
Slide the speaker assembly through the hole then swivel the speaker to point in the
desired direction.
Tighten the black mounting wing screws until a firm grip is achieved. If using a power
driver, Tannoy recommends a torque setting of 1.5Nm.
DO NOT OVERTIGHTEN!
NOTE: When the screws are tightened the speaker will lock into position.
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