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5 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
• 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.
Tannoy operates a policy of continuous research and development. The introduction of new materials or
manufacturing methods will always equal or exceed the published specifications. All specifications are
subject to change without notice. Copyright (c) 2015 Music Group Innovation SC Ltd. All rights reserved.
Fig.1
Fig.1
Fig.2
tannoypro.com
6 CMS Series PI Backcan
Dimensions
Please refer to the full CMS Series Operation
Manual for dimensional drawings.
CMS 503 PI BACKCAN
Diameter: 288.0 mm (11.34")
Height: 153.5 mm (6.04")
CMS 603 PI BACKCAN
Diameter: 351 mm (13.82")
Height: 168.5 mm (6.63")
CMS 803 PI BACKCAN
Diameter: 397 mm (15.63")
Height: 168.5 mm (6.63")
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