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Audio International, Inc. 

 

6  

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

______________________________________________________________________________________ 
Document #:  540058  Rev. IR 

 

11/97 

 

2.0 Installation 
 

2.1 

Prior to Installation 

 

The signal input cables should be twisted shielded pair (20 AWG minimum) 
unless otherwise specified.  The shield should be grounded at one end only 
(closest to unit). The unit must be attached to conform to the standards 
designated by the customer, installing agency, and existing conditions as to the 
unit location and type of installation.  The following should be carefully 
considered before installing:   

 

2.1.1  Select a mounting location for the unit. Refer to Section 5.2 in this 

publication for mounting hole locations.  

 

2.2 

Unpacking and Inspection 

 

2.2.1  Carefully open the packaging and remove the speaker enclosure.  

Inspect 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.  However, occasionally damage does occur in shipping.  

 

If damage has occurred, a claim must be filed with AI within 24 hours 

after unpacking and a “Return Request Authorization Number” must be 
obtained from AI.  Refer to the front cover of this manual for address 
and telephone number of the Audio International, Inc. authorized 
dealership.  Repackage the unit in its original packaging materials and 
return it to AI following instructions given.  If no return is necessary, 
retain the packing materials for storage or reshipment if necessary. 

 
2.3 

Cautions & Warnings 
 
2.3.1  All connections to the unit should be shielded, twisted pair and 

grounded at one end only.  

 
2.3.2  DO NOT connect or disconnect the enclosure while power is applied. 
 
2.3.3 DO 

NOT 

remove any factory-installed support screws on the speaker 

enclosure.  Damage to the units may result and void any warranties.   

 
 
 
 
 
 

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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