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Design Worksheet, EdgeMax EM180 & Mixed EM90/EM180 Systems

Design Worksheet

EdgeMax EM180 & Mixed EM90/EM180 Systems

This design worksheet covers the basic steps for the creation of a system design comprised of

EdgeMax EM180 in commercial audio/business music systems EdgeMax EM180 loudspeakers

are ideally suited for background/foreground music applications with mounting heights

between 2 4 to 6 1 m (8 to 20')

EdgeMax loudspeakers utilize a two-way design comprised of a compression driver mounted

in a proprietary PhaseGuide to deliver asymmetrical high frequency coverage, and an

8-inch driver mounted in a tuned, ported enclosure EdgeMax loudspeakers are compatible

with 70/100V and low-impedance amplifiers, and can deliver up to 98 dBSPL in a typical

application with a 4 9 m (16') ceiling height

The design process described within this document uses three key requirements for the

creation of the design, these are:

1. Loudness: What sound pressure level is required for this application?

2. Coverage: How consistent must the sound be across the entire coverage area?

3. Response: What bandwidth is required for the type of program material that will be used?

Each of these requirements can be easily converted into a specification that we can use

to create our system design If we understand the customer's needs in these three areas,

we can deliver a design that will, at a minimum, meet their needs, and at best, exceed their

expectations For the purposes of this design guide, we will assume that you are familiar with

the system requirements for typical business music systems and are ready to focus on the

creation of a speaker layout using EdgeMax loudspeakers

Design Guidelines

EdgeMax loudspeakers provide asymmetrical vertical coverage, and either 90 or 180-degree

horizontal coverage The design guidelines presented here offer two coverage quality options

– Premium and Standard

Design Guide - 10

EM180

Product Specifications

Frequency Range: 50 Hz – 18 kHz ± 3 dB

Long Term Power Handling: 125 watts continuous

Sensitivity: 93 dBSPL @ 1 W/1 m (pink noise)

Impedance: 70/100V or 8 Ω

Maximum Acoustic Output: 114 dB-SPL @ 1 m (pink noise)

Dispersion: 180° x 75° (H x V)