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Stewart Audio AV-50, Owner'S Manual

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Stewart Audio AV-50 Owner'S Manual Download Page 11

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. 

Stewart Audio Product Line 
 

 

 
 

For more information, contact 

[email protected] 

DA70-2

 

70W x 2 @ 4 Ohms

   

 

35W x 2 @ 8 Ohms 

DA70-4

 

70W x 4 @ 4 Ohms

   

 

35W x 4 @ 8 Ohms

DA770-2

 

80W x 2 Constant Voltage

   

 

70.7V rms out

PA50B

   

50W x 2 @ 4 Ohms

   

 

25W x 2 @ 8 Ohms 

   

 

100W x 1 @ 8 Ohms bridged 

PA100B

 

90W x 2 @ 4 Ohms 

   

 

50W x 2 @ 8 Ohms

   

 

180W x 1 @ 8 Ohm bridged 

   

World 600

 

190W x 2 @ 4 Ohms 

   

 

110W x 2 @ 8 Ohms

   

 

World 1.2

 

350W x 2 @ 4 Ohms 

   

 

200W x 2 @ 8 Ohms

   

 

World 1.6

 

550W x 2 @ 4 Ohms

   

 

300W x 2 @ 8 Ohms

World 2.1

 

650W x 2 @ 4 Ohms

   

 

400W x 2 @ 8 Ohms

CVA7400

 

200W x 2 Constant Voltage

   

 

70.7V rms out

CVA7800

 

400W x 2 Constant Voltage

   

 

70.7V rms out

World 600R

 Recessed 

controls 

World 1.2R

 Recessed 

controls

 

Custom Amps Contact factory

AV50

   

50W @ 4 Ohms

   

 

25W @ 8 Ohms 

   

 

100W @ 8 Ohms bridged 

PA100B

 

Sub-Compact Products

AV 25-2

35W x 2 @ 4 Ohms
25W x 2 @ 8 Ohms

CVA 25-1

25W x1 @ 25V/70V

CVA 50-1

50W x1 @ 25V/70V

19 

20 

Summary of Contents for AV-50

Page 1: ...Clip Clip Power Power AV Series AV Series AV 50 2 AV 50 2 AV 50 February 2010 Owner s Manual www stewartaudio com ...

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: ...to obtain maximum performance from your AV Series Ampli 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 conta...

Page 4: ...following diagrams CAUTION Use only the screws provided in mounting brackets to the amplifier Do not overtighten 2 2 2 Rack Mount Installation The AV 50 may also be rack mounted in a standard 19 48 3cm equip ment rack using the optional rack mount kit Part Number RMK 50 S The amplifier takes up 1U 1 75 of vertical space CAUTION Use only the screws provided in mounting brackets to the amplifier Do ...

Page 5: ...ctions Stewart Audio recommends using high quality heavy gauge speaker wire and connectors to send the output signal of your amplifier to the speakers Use the following table as a guideline when selecting your wire gauge Speaker leads connect by means of Phoenix type block connectors supplied with the unit Strip speaker leads 1 4 and insert into connec tor observing proper polarity With a small fl...

Page 6: ...phono connectors Nothing should be connected to Channel 1 If us ing the 3 5mm stereo input the right ring channel s signal will be used Output Connections Prepare the speaker leads as described in section 2 5 The speaker leads should be attached to the Phoenix block connector with regard to their polarity See diagram for further clarification The amplifier is now ready for Single mode operation Ph...

Page 7: ...ing channel s sig nal will be used Output Connections Prepare the speaker leads as described in section 2 5 The speaker leads should be attached to the positive terminals of both channels terminals 1 and 4 Nothing should be attached to speaker terminal 2 and 3 See diagram for further clarification Put Amplifier into Bridge Mono Mode Slide the rear panel switch marked Bridge Mono Stereo to the Brid...

Page 8: ...panel has only one control a push button to control the power of the unit When the push button is depressed the power is on When the button is push button is out the power is off The rear panel contains two input sensitivity knobs as well as a mode switch The amplifier is set to run off of a line level source and the sen sitivity should be adjusted for optimum performance To adjust this knob you w...

Page 9: ...e the cables and loudspeakers temporarily to see if this resolves the problem If problem still exists contact your Authorized Dealer for ser vice If after reading this troubleshooting section you are unable to restore proper function return it to your Authorized Dealer for service Refer to section 6 for instructions 5Technical Specifications Maximum Output 20Hz 20kHz Stereo 25W 8Ω per channel 50W ...

Page 10: ...e return procedures which must be followed in order to prevent processing delay or cost to the customer Please read the entire section before contacting Stewart Audio for returns 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 support ste...

Page 11: ...te 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 St...

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