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AV25-2 User Manual Rev A 

Page 12 

Table of Contents

 

 

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shipped to the factory. The customer is responsible to approve this estimate within 7 days. If the 
repairs are not approved within 14 days, Stewart Audio reserves the right to consider the unit 
scrap and may discard it. Payment for non-warranty repairs must be submitted to Stewart Audio 
before the product will be returned to the customer. 

10

 

Return Procedure 

All returns to the factory for service must be accompanied by a Return Authorization (RA) number. 
One can be obtained by contacting Stewart Audio at (209) 588-8111 or via e-mail at 
[email protected].  

NOTE: Any defective products received without an RA number will be returned to sender at 
their expense.  

If Stewart Audio is unable to contact the sender in 14 days, the merchandise will be considered scrap 
and may be disposed of. 

10.1

 

Shipment Instructions 

 

If  Stewart  Audio  requests  that  you  ship  the  defective  product  back  to  their  service  center, 
please  refer  to  the  guide  below.  To  ensure  prompt  warranty  service,  be  sure  to  follow  all 
instructions. 

 

Return Authorization (RA) is required for product being sent to the factory for service.  

 

See packing instructions in 

Section 10.2

.

 

 

Ship  the  defective  product  using  a  method  which  provides  for  order  tracking  or  order 
confirmation.  The service center is located at the following address: 

Stewart Audio 
14335 Cuesta Court Suite C 
Sonora, CA 95370 

 

Use a bold black marker and write the RA number on three sides of the box. 

Record the RMA number for future reference. The RA number can be used to check the repair status. 

10.2

 

Packaging Instructions 

Should Stewart Audio request that you ship your product to their service center, these  instructions 
must be followed in order to ensure safe delivery. If they are not followed, Stewart Audio assumes no 
responsibility for damaged goods and/or accessories that are sent with your unit. 

1.

 

Please write the RA number on three sides of the box. Include the Stewart Audio RA number 
inside the box and a brief description of the problem. 

2.

 

You  will  be  advised  during  the  RA  process  what  accessories  should  be  included  with  the 
amplifier  (power  supplies,  connectors,  cords,  etc.).  This  is  dependent  on  the  failure 

Summary of Contents for AV25-2 NET+

Page 1: ...ird prong are provided for your safety If the provided plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 11 Protect the power cord from being walked on or pinched particularly at plugs convenience receptacles and the point they exit from the apparatus 12 Only use attachments accessories specified by the manufacturer 13 Use only with the cart stand tri...

Page 2: ...lateral triangle is intended to alert the user to the presence of important operating and maintenance servicing instruction in the literature accompanying the appliance 3 2 Warnings WARNING TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT EXPOSE THIS AMPLIFIER TO RAIN OR MOISTURE DANGEROUS HIGH VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE DO NOT OPEN THE CABINET REFER SERVICING TO QUALIFIED PERSONNEL ON...

Page 3: ...e with these operating instructions it may cause interference with to other equipment such as radio and television receivers 3 3 4 Speaker Damage Loudspeakers may be damaged or destroyed if overpowered Always check the loudspeaker s continuous and peak power ratings to prevent such an occurrence Do not rely solely on the amplifier s volume control to reduce output power to a level safe for the lou...

Page 4: ... 3 3 3 5 Maintenance 3 4 Table of Contents 4 5 Welcome 5 5 1 Features 5 5 2 Unpacking and Visual Inspection 5 5 3 Installation and Setup 5 5 3 1 Pole Mounting 5 5 3 2 Universal Mount Installation 6 5 3 3 Cooling and Ventilation 6 5 3 4 Operating Voltage 6 6 Rear Panel 7 6 1 Operation 7 6 1 1 Input Connections 7 6 1 2 Speaker Connections 8 7 Specifications 10 8 Troubleshooting 10 9 Warranty Informa...

Page 5: ...he amplifier in sleep mode and wakens it when a signal is present The contact closure terminals mute the audio output for fire alarm applications There are multiple mounting options to fit a variety of applications The external in line power supply provides plenty of power to achieve full rated audio output power This product is proudly manufactured in the USA 5 2 Unpacking and Visual Inspection E...

Page 6: ...lifier Ensure that there is sufficient open space around the amplifier to allow for free air flow Do not stack amplifiers on top of each other or mount amplifier in a way that air flow around the unit will be impaired Inadequate airflow around the amplifier may cause the amplifier to overheat and potentially become damaged as a result 5 3 4 Operating Voltage The AV25 2 is shipped with an in line p...

Page 7: ... signal level to avoid distortion 6 Signal Present Indicator The green LED illuminates to indicate an input signal is present on either channel 7 Input Connectors Connect audio sources via these 3 5mm Eurostyle connectors 8 Channel 1 Level Control Turn fully clockwise for maximum output on output 1 Note that the input sensitivity of the AV25 2 is 0 5Vrms Do not overdrive the amplifier 9 Channel 2 ...

Page 8: ...minals and the ground terminals Then the unbalanced source can be connected to the positive and ground terminals Diagrams have been provided for standard RCA and TS connectors Please refer to the manual of your input source in case it does not follow the standard pin out 6 1 2 Speaker Connections Stewart Audio recommends using high quality heavy gauge speaker wire and connectors to send the output...

Page 9: ...proximately 24VDC Do not connect any speaker output to ground or to the amplifier chassis Do not connect speakers across speaker outputs Bridge mode is not supported NOTE Class 2 wiring must be used on the speaker terminals to comply with UL requirements CAUTION Do not connect either speaker terminal to ground This will cause a short circuit which may damage the amplifier speaker or both Similarly...

Page 10: ...truction Aluminum Enclosure Dimensions Length Width Height 3 2 X 4 35 X 1 25 81mm X 110mm X 32mm Weight 0 37 lbs 0 16kg Warranty 3 years Plenum Rating UL2043 Compliant 8 Troubleshooting Power indicator LED is not illuminated Check that the amplifier is plugged into a live outlet Apply an input audio signal to one or both inputs to wake the amplifier from sleep mode After you have ensured that it i...

Page 11: ... and submitted by the original purchaser This warranty is only valid in the country in which the amplifier was purchased 9 2 Eligibility Requirements Stewart Audio warrants against all malfunctions which come as a result of component or manufacturer defect The amplifier is also covered from all failures which arise during the warranty period 3 years from date of purchase that are not a result of m...

Page 12: ...ensure prompt warranty service be sure to follow all instructions Return Authorization RA is required for product being sent to the factory for service See packing instructions in Section 10 2 Ship the defective product using a method which provides for order tracking or order confirmation The service center is located at the following address Stewart Audio 14335 Cuesta Court Suite C Sonora CA 953...

Page 13: ...r If you do not have the original box see number 4 4 If you provide your own shipping pack use materials adequate to prevent damage during transit Make certain that the amplifier is NOT free to move within the package as this is the most common cause of damage 5 Securely seal the package with an adequate carton sealing tape 6 Do not use light boxes or peanuts NOTE Damage caused by poor packaging w...

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