Stewart Audio CVA 25-1 Скачать руководство пользователя страница 23

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8 Notes

For Your Record

In the spaces provided below, record the model and serial

number located at the rear of your amplifier.

Retain this information for future reference.

Model No. ________________________________________

Serial No. _________________________________________

Purchase Date _____________________________________

Содержание CVA 25-1

Страница 1: ...CVA Series Owner s Manual March 2014 1 www stewartaudio com ...

Страница 2: ... 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 ...

Страница 3: ... 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 p...

Страница 4: ...nput Connections 10 2 5 Output Connections 11 2 5 1 Constant Voltage 11 2 5 2 Wiring Example 12 3 Operation 13 3 1 Operation Precautions 13 3 2 Controls Indicators and Connectors 14 3 2 1 Indicators 15 3 2 2 Controls 15 3 2 3 Remote Volume Control 15 4 Troubleshooting 17 5 Technical Specifications 18 6 Warranty Information 19 6 1 Warranty Summary 19 6 1 1 Eligibility for Factory Repair 19 6 2 Retu...

Страница 5: ...ce and operational benefits that simply cannot be found in conventional amplifiers Sub Compact 1 4 rack package Mono constant voltage amplifier 70 7V or 100V Music and fire alarm muting Clean full range dynamic power Remote volume control Multiple mounting options External inline power supply Made in the USA 1 2 Using this Manual In order to obtain maximum performance from your CVA Series Ampli fi...

Страница 6: ...s incorporates a number of different mounting options in order to fit your installation needs 2 2 1 Pole Mount Installation The CVA Series amplifier casing has mount 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 Two screws are included in the kit which will affix the bracket to the top or side of the unit Part Number A...

Страница 7: ...be mounted against a wall or under a table Two screws are included in the kit which will affix the bracket to the top or the side of the unit Once this is done two holes are available for mounting the unit where desired CAUTION Use only the screws provided in mounting brackets to the amplifier Do not overtighten 7 ...

Страница 8: ...n adequate space to allow for proper airflow Do not stack the amplifiers on top of each other or mount it in a way that other equipment will block airflow along the surfaces of the case CAUTION Inadequate airflow to the amplifier can cause the amplifier to overheat and potentially become damaged in the process Be sure to provide plenty of air space to allow for convection cooling 8 ...

Страница 9: ...ce 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 connector are matched up to the and ground pins of the CVA Series Euro Block connector re spectively Diagrams have been provided for standard XLR and TRS connectors Please refer to the manual of your input source in case it does not follow the standard pin o...

Страница 10: ... does not follow the standard pin out For your convenience pre wired connectors are available for purchase see the next page for details NOTE A jumper is required for connecting an unbalanced input NOTE The CVA Series of amplifiers do not accept stereo inputs Either one side must be selected from the stereo source or an overload protected Y cable must be used to sum them to mono It is highly recom...

Страница 11: ...he gauge of wire used is very different Constant voltage systems and speakers use a smaller current flow than the typical 8ohm systems and thus can use a higher gauge thinner diameter wire Please refer to the following g chart to choose the ap propriate wire gauge for your installation Speaker leads connect by means of removable Euro Block connectors supplied with the unit Strip speaker leads 1 4 ...

Страница 12: ... will be used in the speaker installation For information on specific step down transformer installation information please con sult the transformer s manufacturer s literature 2 5 2 Wiring Example The diagram below is a typical wiring setup for two speakers with out board step down transformers wired in parallel to the 70V output op tion of a CVA Series amplifier 100V 70V 12 ...

Страница 13: ... changes is not only dangerous but may also violate local regulations 3 Use care when making connections between 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 CVA Series amplifier or connected equip ment if the instructions in this man...

Страница 14: ... Level Knob Input Connector Remote Volume Control Clip Indicator LED Power Connector Output Connector 4 5 Power Indicator LED Signal Present Indicator LED PLENUM RATED ON SIG CLIP SPEAKER PWR 100V 70V RVC 10V RVC GND MUTE INPUT LEVEL CVA 25 1 1 2 3 6 7 8 4 5 14 ...

Страница 15: ...wer up the amplifier from sleep when a signal is detected After 5 minutes without an input signal the amplifier will go into sleep mode The rear panel contains a single volume knob The amplifier is set to run off of a line level source and the level should be adjusted for opti mum performance To adjust this knob you will need a small flat head screwdriver While a typical program source level is pr...

Страница 16: ... Ground pin on the rear of the unit with its wiper on the RVC pin The volume will be determined by the selected resistance on the potentiometer the greater the resistance the louder the volume The amplifier can be remotely muted by making a connection between the GND pin and the MUTE pin No power should be applied to these pins simply a contact connection 16 ...

Страница 17: ...nal present LED is lit to denote a signal 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 exten...

Страница 18: ...balanced 20k Ohms 10k Ohms Sleep Idle Current Draw 1 8 Draw 0 005 0 01 0 15 Amps Class D Input Connectors Euro Block 3 pin 3 5mm Output Connectors Euro Block 2 pin 5mm Power Supply External In Line 48DVC Cooling Convection Cooling Controls Level LED Indicators Power Signal Clip Construction Aluminum Chassis Plenum Rating UL 2043 Approved Dimensions Height 1 25in 3 2cm Width 4 35in 11 1cm Depth 3 2...

Страница 19: ...ot a result of misuse The following actions will void your warranty The power cord or AC plug has been damaged through misuse The amplifier has been exposed to moisture or extreme tempera tures The amplifier has been dropped items have been dropped on the amplifier or the enclosure has been damaged The amplifier has been opened by the operator The amplifier was improperly packaged when sending to ...

Страница 20: ... 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...

Страница 21: ...ed 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 un der warranty 6 2 4 Estimate ...

Страница 22: ...rackets 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 ADPT SUM35 Stereo Female 3 5mm to male Euroblock WP RVC B Wallplate with 10k potentiometer and knob for re mote volume control Black WP RVC A Wallplate with 10k poten...

Страница 23: ... model and serial number located at the rear of your amplifier Retain this information for future reference Model No ________________________________________ Serial No _________________________________________ Purchase Date _____________________________________ 23 ...

Страница 24: ...24 www stewartaudio com 14397 Cuesta Court Suite D1 Sonora Ca 95370 Phone 209 588 8111 Fax 209 588 8113 ...

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