555-130 MCM, 555-130 Datasheet

555-130

Manufacturer Part Number

555-130

Description

In Wall 70V Volumne Control

Manufacturer

MCM

Datasheet

1.555-130.pdf (2 pages)

Specifications of 555-130

Power Rating

100W

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The MCM Model 555-125, 555-130 and 555-135

In–Wall Volume Controls are designed for use

with commercial sound 70V distributed audio

speaker systems. They are designed for

connection between the 70V output of an

amplifier and the transformer primary on the

speaker system. They adjust the volume of

remote speakers by attenuating the audio signal,

after the amplifier. To assure maximum power

Mounting

All MCM in-wall volume controls are designed for installation in a standard single–gang electrical box. Take

note that these controls require at least 2-1/2" mounting depth. Depending upon local code restrictions,

they may suitably be mounted in open-backed boxes, brackets or mud rings. This type of mounting is often

considered desirable as it allows for more space behind the control for routing cables. Multiple gang

brackets and electrical boxes are available for installing multiple units in one location. These types of

mounting devices are readily available from most home building centers, and various models from Carlon,

Caddy and Arlington are readily available directly from MCM Electronics.

Caution: Low voltage devices, such as volume controls may not share an electrical box with standard AC

wiring devices such as wall switches, AC receptacles or dimmers.

Volume controls are available with plates in the following configurations. The following information applies to

all models.

Model 555-125:

Model 555-130:

Model 555-135:

This plate is compatible with standard decora style multi gang cover plates and accessories, and

includes a single gang cover plate. The unit is shipped as white, with ivory plates and knobs

included for easy color change. This control occupies standard single gang space.

This is a single gang steel wall plate with control. The unit is shipped as white, with ivory plates

and knobs included for easy color change.

This is an institutional style, natural steel color single gang steel wall plate with control.

70V In-Wall Volume Control

Installation Instructions

INSTALLING IN–WALL VOLUME CONTROLS

Decora Style

Standard Plate Style

Stainless Steel Plate Style

Model Numbers:

555-125

555-130

555-135

INTRODUCTION

transfer and efficiency, and minimal heat, these

controls use autoformers instead of L-pads or

resistor networks. Note: These controls are

designed for 70V use only. They should not be

use with traditional 8ohm or 4ohm speaker

systems. Please contact your MCM Sales

Representative for information on this type of

control.

Related parts for 555-130

555-130 Summary of contents

Page 1

... In-Wall Volume Control Installation Instructions Model Numbers: The MCM Model 555-125, 555-130 and 555-135 In–Wall Volume Controls are designed for use with commercial sound 70V distributed audio speaker systems. They are designed for connection between the 70V output of an amplifier and the transformer primary on the speaker system ...

Page 2

... If at any time, the amplifier temporarily disengages, or shuts down, the system should be powered down and checked for proper connections. For additional information regarding distributed audio system installation, please consult documentation included with other components. For additional questions, please contact the MCM Technical Support Department at 1-800-824-8324, or send an email to tech@mcminone.com. FINAL SETUP AND USE MCM, an InOne company ...

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