555-8570 MCM, 555-8570 Datasheet

555-8570

Manufacturer Part Number

555-8570

Description

Ceiling Speaker

Manufacturer

MCM

Datasheet

1.555-8570.pdf (1 pages)

Specifications of 555-8570

External Depth

3-1/4"

Color

White

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Perfect for background music and paging in office facilities, waiting rooms, restaurants and similar environments, this

square frame speaker is suitable for in–wall and ceiling use. Full–range, dual cone speaker is 8ohm and includes a 70V

transformer for multi–speaker installations.

Prior to installation of the speaker, the perforated grill must be removed from the front of the mounting frame. This can be

accomplished by holding the speaker in your hands, face down. Using mounting tabs in opposite corners, rotate the tabs

so they freely move up and down. Push the tabs downward so the screw heads press against the inside of the speaker

grille. Firmly push down on the tabs, forcing the speaker grille to pop off from the front.

Installation

Connections

The attached 70V transformer is designed for use in conventional distributed audio speaker systems. It may be tapped

from 5W ~ 30W, depending upon specific requirements. Using the included twist wire connectors, attach the speaker wire

to the desired transformer tap. Color code is as follows:

Brown:

White:

Blue:

Red:

Black:

It is also possible to use this speaker in conventional 8Ω applications. To do so, simply clip the red and black leads

extending from the transformer to the speaker. Be sure to cut these near the transformer to ensure sufficient lead length.

Remove ⅜" of insulation from the end of the wire leads. Connect these leads as you would any conventional 8Ω speaker.

At this point, the transformer is not used and may be removed from the speaker and discarded if desired.

•

This speaker may be mounting either ceilings or walls. Use in drop ceilings is acceptable, however it is

recommended the speaker be mounted 6" from the tile grid instead of centering, to prevent sagging of the tile.

Using a drywall saw or similar tool, cut a 7.25" square hole in the mounting surface

Rotate the four Philips head mounting screws so the mounting tabs are fully extended to the end of their

mounting posts (away from the speaker frame).

Rotate the mounting tabs fully clockwise (facing the back of the speaker) to ensure they are clear of the

mounting frame.

Connect the speaker wire to the correct transformer leads.

Insert the speaker in to the cut square opening.

Rotate the Philips head mounting screws clockwise (now facing the front of the speaker). This will cause the

mounting clips to rotate into place.

As you continue to rotate the Philips screws, the mounting clips will draw tight against the rear of the drywall or

other mounting surface.

Take care not to over tighten the Philips screws as this may cause the mounting tabs to break.

Reinstall the perforated steel speaker grill to the front of the speaker.

Specifications:

•Power capacity: 30W

•Frequency response: 90Hz~18KHz

•Sensitivity: 89dB

Common (–)

30W

20W

10W

6½" Ceiling/In–Wall Speaker System

Dimensions:

•Overall frame dimensions:8.67" x 8.67"

•Required cutout: 7.25" x 7.25"

•Mounting depth: 3.25"

MCM, an InOne Company

www.mcminone.com

Model #555-8570

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