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Audio International, Inc. 

 

5  

Title:  Guide to Installation & Operations – Model  EN-502MT-xx 

______________________________________________________________________________________ 
Document #:  540058  Rev. IR 

 

11/97 

 

MODEL  

EN-502MT-xx 

Full Range Speaker Enclosure 

 

1.0 General 

Information 

 

1.1 Introduction 

 

This manual contains information for the installation and operation of the 
Audio International, Inc. (AI) Full Range Speaker Enclosure, Model number  
EN-502MT-xx.  Information contained within this publication includes relative 
physical, mechanical, and electrical characteristics.  Also included within this 
publication are additional references needed for installation and operation. 

 

The “xx” in the product model number indicates speaker resistance and type of 
connector. This speaker enclosure is built to rugged aircraft standards and is 
easily incorporated into new or existing systems.  Features include a 5-year 
warranty, 10-year proven design reliability, black anodized finish, lightweight 
construction, integral mounting hardware, and the latest in speaker technology. 
 

1.2 

Purpose of the Equipment 

 

The full range speaker enclosure works as full range enclosures with a 4.5” 
mid-bass and .75” tweeter, solid welded seams and acoustic damping for clean 
sound with no “buzz” or vibration.  Specialized acoustic engineering packs 
maximum performance into the most compact enclosures possible.  This 
enclosure is capable of 50 watts RMS with 4 or 8-ohm impedance.  Grill not 
included with speaker enclosure.  A connector or pigtail with connector option 
is available. 

 
1.3 Optional 

Equipment 

 
Audio International, Inc. offers a comprehensive family of Cabin Ready 
Enclosures.  For limited space applications, AI offers combination enclosures 
with excellent full range sound.  For more elaborate systems, better sound can 
be obtained using combinations of low range woofers/subwoofers and high 
range midrange / tweeter or full range enclosures.  Custom speaker enclosures 
are available on request. Contact your AI representative for more information. 
 
 
 
 
 
 

Summary of Contents for EN-502MT SERIES

Page 1: ...7300 Industry Drive North Little Rock AR 72117 Phone 501 955 2929 Fax 501 955 2988 Product Guide to Installation Operation Full Range Speaker Enclosure Model EN 502MT xx Document 540058...

Page 2: ...02MT xx ______________________________________________________________________________________ Document 540058 Rev IR 11 97 Revision History Rev Level Date Description Approved IR Applicable Documents...

Page 3: ...odel EN 502MT xx ______________________________________________________________________________________ Document 540058 Rev IR 11 97 Service Bulletin List Service Bulletin Subject Manual Revision Manu...

Page 4: ...5 1 1 Introduction 5 1 2 Purpose of the Equipment 5 1 3 Optional Equipment 6 2 0 Installation 6 2 1 Prior to Installation 6 2 2 Unpacking and Inspection 6 2 3 Cautions Warnings 7 2 4 Wiring Requireme...

Page 5: ...nty 10 year proven design reliability black anodized finish lightweight construction integral mounting hardware and the latest in speaker technology 1 2 Purpose of the Equipment The full range speaker...

Page 6: ...ect the unit s for damage Retain the packing materials and packing list Verify that all components have been included in the package per the packing list The components should arrive in good condition...

Page 7: ...t the source All wires must be in accordance with MIL W 22759 or equivalent Twisted shielded cable must be in accordance with MIL W 27500 or equivalent 2 5 Physical Requirements 2 5 1 Do not restrict...

Page 8: ...audio input The enclosure utilizes a sealed aluminum housing packed with denser than air material to achieve optimal performance 4 0 Troubleshooting Guide Should difficulties arise with the enclosure...

Page 9: ...uide to Installation Operations Model EN 502MT xx ______________________________________________________________________________________ Document 540058 Rev IR 11 97 5 2 2 Speaker enclosure with dimen...

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