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6.2.1 Return Authorization Number 

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 mer-
chandise will be considered scrap and may be disposed of. 
 

6.2.2 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.

 

 

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

factory for service.  

2.  See packing instructions in 

section 6.2.3.

 

3.  Ship the defective product using a method which provides for or-

der tracking or order confirmation.  The service center is located at 
the following address: 

 

Stewart Audio 
14397 Cuesta Court Suite D1 
Sonora, CA 95370 
 

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

of the box. 

5.  Record the RMA number for future reference. The RA number can 

be used to check the repair status. 

 

 

6.2.3 Packaging Instructions 

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

6.2.3 Packaging Instructions (cont.)

 

 
 

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.  Do not ship any accessories (manuals, cords, hardware, etc.) with 

your unit. These items are not needed to service your product. 
Stewart Audio will not be held responsible for these items if they 
are returned with the amplifiers. 

3.  When shipping your amplifier, it is important that it has adequate 

protection. We recommend you use the original packing material 
when returning the product for repair. If you do not have the origi-
nal box, see number 4. 

4.  If you provide your own shipping pack, the minimum recom-

mended requirements for materials are as follows:  

a.  275 P.S.I. burst test, Double-Wall carton that allows for 2-

inch solid Styrofoam on all six sides of unit or 3 inches of 
plastic bubble wrap on all six sides of unit. 

b.  Securely seal the package with an adequate carton sealing 

tape. 

c.  Do not use light boxes or “peanuts”.  

 

 

NOTE: Damage caused by poor packaging will not be covered 
under warranty. 

 
 

6.2.4 Estimate Approval 

An estimate for all non-warranty repairs will be provided to the cus-
tomer once the unit has been 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 con-
sider the unit scrap and may discard it. 
 

6.2.5 Payment of Non-Warranty Repairs 

Payment for non-warranty repairs must be submitted to Stewart Audio 
before the  product will be returned to the customer. 

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Summary of Contents for AV-25

Page 1: ...Owner s Manual AV 25 www stewartaudio com February 2010 AV Series AV 25 2 ...

Page 2: ...interfere with its proper ventilation For example the amplifier must not be placed on a rug bed sofa or similar surface that impedes airflow across the chassis Airflow through the ventilation openings should be unobstructed 4 This amplifier should not be used near water for example near a bathtub in a wet basement near a swimming pool etc This amplifier is intended to be operated in a controlled i...

Page 3: ...fier please take time to read this brief owner s manual and carefully follow the guidelines for connection and operation This manual provides you with the information necessary to safely in stall and operate your new AV Series amplifier in the most common scenarios If you find yourself requiring additional assistance please feel free to contact your Authorized Dealer or you may contact us di rectl...

Page 4: ...ount holes on both the top as well as the side of the unit which can be used with the AV Pole bracket available from Stewart Audio Part Number AV Pole 2 2 1 Universal Mount Installation The AV 25 also has a universal bracket available which allows the unit to be mounted against a wall or under a table Two screws are in cluded in the kit which will affix the bracket to the top or the side of the un...

Page 5: ...Input Connections Your AV25 2 amplifier is provided with a 3 pin Phoenix connector for each input This connector will accept both balanced or unbalanced connections however some modifications must be made for an unbal anced connection See the next two sections for instructions on con necting your amplifier to its input source 2 4 1 Balanced Connections When using a balanced input source and connec...

Page 6: ...ifier to the speakers Use the following table as a guideline when selecting your wire gauge Speaker leads connect by means of terminal block connectors supplied with the unit Strip speaker leads 1 4 and insert into connector ob serving proper polarity With a small flat blade screwdriver tighten the screw until the leads are held securely in place Inspect for possible shorts or broken wires Distanc...

Page 7: ...ween the amplifier and the input or output equipment Using equipment that is not capable of handling the output wattage may lead to permanent damage NOTE Stewart Audio will not be held responsible for damage to your AV 25 or connected equipment if the instructions in this manual are not followed 3 2 Controls Indicators and Connectors AV Series AV 25 2 2 SPKR 1 MUTE PWR LEVEL 2 1 ON CLIP SIG 2 INPU...

Page 8: ...muted when needed for such applications as muting during a fire alarm To do so 5 12VDC should be applied to the terminal block labeled MUTE on the rear of the AV 25 Polarity should be observed when connecting the triggering power source as the amplifier will not be muted if polarity is reversed 4 Troubleshooting Problem Power indicator does not turn on Procedure Check that the amplifier is plugged...

Page 9: ...io dealer and submitted by the original pur chaser This warranty is only valid in the country in which the amplifier was purchased 6 1 1 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...

Page 10: ...bility for damaged goods and or accessories that are sent with your unit 6 2 3 Packaging Instructions cont 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 Do not ship any accessories manuals cords hardware etc with your unit These items are not needed to service your product Stewart Audio will not be...

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