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Important Safety Instructions 

 
Before using your Stewart Audio Inc. Power Amplifier, please read this 

Owner’s Manual 

carefully to ensure optimum trouble-free perfor-

mance. 
 

WARNING: TO REDUCE THE RISK OF ELECTRICAL SHOCK, DO NOT EX-

POSE THIS AMPLIFIER TO RAIN OR MOISTURE. DANGEROUS HIGH 

VOLTAGES ARE PRESENT INSIDE THE ENCLOSURE. DO NOT OPEN THE 

CABINET. REFER  SERVICING TO QUALIFIED PERSONNEL ONLY.

    

 
 
 
 
 
 
 
 
 
 

 
 

The lighting bolt within arrowhead symbol, within an 
equilateral triangle, is intended to alert the user to the 
presence of un-insulated “dangerous voltage” within 
the product’s enclosure that may be of sufficient mag-
nitude to constitute a risk of electrical shock to person. 
 
The exclamation point within an equilateral triangle, is 
intended to alert the user to the presence of important 
operating and maintenance (servicing) instruction in the 
literature accompanying the appliance. 
 
 

Important Safety Instruction – Please Read Prior to Product  
Installation. 

 

1.  Installation should be performed by a trained and licensed professional to 

insure safe and lasting operation. 

 

2. 

All of the safety and operating instructions should be read before the am-
plifier is installed or operated. Retain these instructions for future refer-
ence. All instructions should be followed; all warnings on the amplifier 
and in the operating instructions should be adhered to. 

 

3.  The amplifier should be situated so that its location and position does not 

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 around the unit 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 indoor environment. 

 
5.  Do not place the amplifier near heat sources such as radiators, heat regis-

ters, stoves, or other appliances that produce heat. 

 
6.  The amplifier’s power supply should only be connected to 120 VAC, 60 

Hz power source. Do not defeat the ground or polarization of the power 
plug. 

 
7.  Route power cord and other cables so that they are not likely to be 

walked on, tripped over or stressed. Pay particular attention to condition 
of cords and cables at plugs and at the point where they exit the amplifi-
er. To prevent risk of fire or injury, damaged cords and cables should be 
replaced immediately. 

 
8.  Clean the amplifier with a clean, damp cloth. Do not use solvents or abra-

sive cleaners. Never pour any liquid on the amplifier. 

 
9.  When left unused for a long period of time, the power cord should be 

unplugged from the outlet. 

 
10.  Damaged Amplifiers requiring service should be repaired by a qualified 

service technician when: 

 

a. 

The power cord or AC plug has been damaged. 

b.  Objects have fallen, or liquid has spilled into the unit. 
c. 

The amplifier has been exposed to rain or other moisture. 

d.  The amplifier does not appear to operate normally or exhibits 

a marked change in performance. 

e.  The amplifier has been dropped or the enclosure  
 damaged. 

 

11. The user should not attempt to service the amplifier beyond that de-

scribed in the operating instructions. All other servicing should be referred 
to qualified service personnel. 

Содержание CVA50-1 NET Series

Страница 1: ...CVA50 1 NET Series Owner s Manual June 2012 www stewartaudio com CVA50 1 NET CVA50 1 NET ...

Страница 2: ... sofa or similar surface that impedes airflow across the chassis Airflow around the unit 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 indoor environment 5 Do not place the amplifier near heat sources such as radiators heat regis ters stoves or oth...

Страница 3: ...s for connection and operation This manual provides you with the information necessary to safely in stall and operate your new CVA 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 rectly using the contact information provided on the back of this manu al Important Safety Ins...

Страница 4: ... which can be used with the AV Pole bracket available from Stewart Audio Two screws are included in the kit which will affix the bracket to the top or side of the unit 2 2 1 Universal Mount Installation The CVA Series also has a universal bracket available which allows the unit to be mounted against a wall or under a table Two screws are included in the kit which will affix the bracket to the top ...

Страница 5: ...r for its input connection This connector will accept both balanced or unbalanced connections however some modifications must be made for an unbalanced connection See the next two sections for instruc tions on connecting your amplifier to its input source 2 4 1 Balanced Input Connections When using a balanced input source and connector you must ensure that the hot cold and ground pins of the conne...

Страница 6: ...for error when connecting the CVA Series amplifier to an unbalanced source The summing adapters will properly sum a stereo source for use with the mono input on the rear of the amplifier without causing sound cancellation Part numbers are found below the diagrams 2 5 Output Connections Because of the differences in the way that constant voltage amplifiers work as opposed to a typical 8 ohm setup t...

Страница 7: ... will not be held responsible for damage to your CVA Series amplifier or connected equip ment if the instructions in this manual are not followed NOTE For additional operating precautions please refer to Important Safety Instructions located on Page 2 2 5 1 Constant Voltage The Euro Block connector on the rear of the amplifier is capable of sup plying output at either 100V or 70V depending on the ...

Страница 8: ...6 Speaker Out Connector CVA50 1 NET COBRANET PRIORITY NET LOC OUTPUT PWR 10V RVC GND MUTE RVC LINE OUT LOCAL IN SIG PWR CLIP LEVEL 100V 70V 1 1 2 3 5 6 7 4 1 Signal Priority Switch 2 CobraNet Connector 3 Channel Level Knob 5 Line Out 6 Remote Volume Control 7 Signal Present Indicator LED 4 Input Connector 8 Power Indicator LED 9 8 10 10 11 11 9 Clip Indicator LEDs 10 10 Power Connector 11 11 Speak...

Страница 9: ...mit the input channels to other Cobra Net devices A No the CVA50 1 NET is designed only to receive audio Q What submap channels do the CVA50 1 NET use A Since the CVA50 1 NET is a 2 channel device only the first two submap channels are valid channels 1 and 2 Data sent on channels 3 8 will be ignored 3 3 2 Using CobraNet Discovery Utility The CobraNet Discovery utility can be downloaded from the Ci...

Страница 10: ...nal If there is no signal detected check signal source and that level controls are set high enough Problem Amplifier overheats and or shuts off Procedure Review section 2 3 on proper cooling procedures Check the clip LED on the rear of the amplifier to see if the signal is overdriv ing the signal light flashes red frequently Overdriving the amplifier for extended periods of time can cause a therma...

Страница 11: ...nding to the fac tory for repair resulting in damage Any of the precautions or instructions found in this manual were not followed Damages resulting to the amplifier which are not covered under this warranty can be factory repaired at cost to the customer Use the con tact information below to initiate the repair process 6 2 Return Procedure This section includes the return procedures which must be...

Страница 12: ...si 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...

Страница 13: ...mbers shown are Stewart Audio Part Numbers To purchase these accessories or to see the full Stewart Audio product lineup visit us at www stewartaudio com Mounting Brackets AV POLE Pole mount bracket for AV Series amplifiers AV BRACKET Universal mounting bracket for AV Series amplifiers Connection Adapters ADPT RCA Mono Female RCA to male Euroblock ADPT SUMRCA Stereo Female RCA to male Euroblock AD...

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