Russound DPA-1.2 Stereo Amplifier User Manual
Contents
1. 1 2 nstruction Manual a 2 Channel Amplifier with Auto A B Selector 1 SAFETY INSTRUCTIONS RISK OF ELECTRIC SHOCK DO NOT OPEN WARNING REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALI FIED SERVICE PERSONNEL The lightning flash with arrowhead symbol within an equilateral trian gle is intended to alert the user to the presence of uninsulated dangerous voltage within the products enclosure that may be of suffi cient magnitude to constitute a risk of electric shock to persons The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and mainte nance servicing instructions in the literature accompanying the appli ance Double Insulated when servicing use only identical replacement parts Safety Instructions 1 Read Instructions All the safety and operating instructions should be read before the appliance is operated 2 Retain Instructions The safety and operating instructions should be retained for future reference 3 Heed Warnings All warnings on the instructions should be adhered to 4 Follow Instructions All operating and2. Conforms to UL 6500 Certified to CSA C22 2 Nol 94 Russound DPA 1 2 Tested to Comply with FCC Standards FOR HOME OR OFFICE USE 2 INTRODUCTION Congratulations on your recent purchase of the Russound DPA 1 2 two channel amplifier The DPA 1 2 is a high current high quality amplifier which includes automatic A B switching The DPA 1 2 two channel amplifier will amplify a source at the sensing line input or the sensing speaker level input Switching between a default audio source and a local source the DPA 1 2 is ideally suit ed for those applications that require automatic switching and amplification The DPA 1 2 power output per channel is 35 watts per channel into 8 Ohms and 45 watts into 6 Ohms Bridged out put provides 70 watts of power into 8 Ohms Each amplifier output channel incorporates thermal and short circuit protection and Russound5 unique Dynamic Clipping Sensor that allows for better headroom and volume without clipping or distortion The Russound DPA 1 2 amplifier is built with pride Fidelity Reliability and Quality are the primary objective Russound prod ucts are guaranteed to provide years of enjoyment 3 POSSIBLE SYSTEM CONFIGURATIONS The DPA 1 2 can be used as a single source two channel zone amplifier or as a local source amplifier that automatically switches between a default source such as a whole house audio distribution sy
3. that produce heat Power Sources The appliance should be connected to a power supply only of the type described in the operatin instructions or as marked on the appli ance Grounding or Polarization The pre cautions that should be taken so that the grounding or polarization means of an appliance is not defeated Power Cord Protection Power va ply cords should be routed so that they are not likely to be walked on or pinched by items placed upon or against them paying particular atten tion to cords at plugs receptacles and the point where they exit from the Cleaning The appliance should be cleaned only as recommended by the manufacturer 14 15 10 17 18 19 Non use Periods power cord of the appliance should be unplugged from the outlet when left unused for a long period of time Object and Liquid Entry Care should be taken so that objects do not fall and liquids are not spilled into the enclosure through the openings Damage Requiring Service appli ance should be serviced by qualified service personnel when The power supply cord or the plug has been damaged or B Objects have fallen or liquid has been spilled into the appliance or C The appliance has been exposed to rain or D The appliance does not appear to operate normally or E The appliance has been or the enclosure is damaged Servicing The user should n
4. user instructions should be followed 5 Water and Moisture The appliance should not be used near water for example near a bathtub washbowl kitchen sink laundry tub in a wet basement or near a swimming pool and the like 10 11 12 13 Carts and Stands The appliance should be used only with a cart or stand that is recommended by the manufacturer An appliance and cart combination should be moved with care Quick stops excessive force and uneven surfaces may cause the appliance and cart combination to over turn e Wall or ceilin Mounting The appli VASE ance should be mounted to a wall or ceiling only as recommend ed by the manufacturer Ventilation The appliance should be situated so that its location or position does not interfere with its proper venti lation For example the appliance should not be situated on a bed sofa rug or similar surface that may block the ventilation openings or placed in a built in installation such as a book case or cabinet that may impede the flow of air through the ventilation openings Place the DPA 1 2 in a well ventilated location leaving at least 2 inches 5cm of clearance on all sides top and rear of unit for air flow If ven tilation is blocked the DPA 1 2 may overheat and malfunction Heat The appliance should be situat ed away from heat sources such as radiators heat registers stoves or other appliances including amplifiers
5. 0mA This can be used to drive a relay operated AC outlet or other 12 volt triggered devices The 12 volt trigger input is used to activate the DPA 1 2 independently from the auto turn on sensing circuit in which case the delay video and audio sensing are bypassed Delay Time The delay timecan be adjusted from about 0 3 minutes to 8 minutes The DPA 1 2 amplifier will automatically switch to the default input signal after the delay setting When set between 4 and 5 defeats delay setting When the audio or video source is no longer playing the DPA 1 2 will switch back to the default input after the set delay time Power The DPA 1 2 is set at the factory X for operation of either 120 VAC 60Hz 6 230 VAC 50Hz Please reference the voltage rating on the back panel Includes detachable 2 terminal power cord 6 SPECIFICATIONS Audio power output Frequency response Total harmonic distortion Input sensitivity Input impedance Signal to noise ratio Input trigger Output trigger Auto off delay time Primary fuse Power requirements Weight Dimensions Continuous 35W 8 Ohms 45W 6 Ohms 20HZ to 20KHZ 0 3dB 0 0596 8 Ohm 075 6 Ohm 400mv line 22k Line Input 85dB 12VDC 10k 12VDC 100mA 2 to 10 minutes T2 0A 250V Factory set for 120 VAC 60Hz or 230 VAC 50Hz 2 terminal detachable power cord For 230VAC operation use a power cord not supplied rated for 240
6. VAC 2A or higher 9 Ibs 6 W x 10 D x 3 5 H 7 Russound DPA 1 2 is fully guaranteed for two 2 years from the date of purchase against all defects in materials and workman ship During this Russound will replace any defective parts and correct any defect in workmanship without charge for either parts or labor For this warranty to apply the unit must be installed and used according to its written instructions If service is necessary it must be performed by Russound The unit must be returned to Russound at the owners expense and with prior written permission Accidental damage and shipping damage are not considered defects under the terms of the warranty Russound assumes no responsibility for defects resulting from abuse or servicing per formed by an agency or person not specifically authorized in writ ing by Russound Damage to or destruction of components due to improper use voids the warranty In these cases the repair will be made at the owners expense To return for repairs the unit must be shipped to Russound at the owners expense along with a note explaining the nature of the service required Be sure to pack in a corrugated container with at least 3 inches of resilient material to protect the unit from damage in transit NOTES R Russound ISTRIBUTI 5 Forbes Rd Newmarket NH 03857 USA 603 659 5170 Fax 603 659 5388 e mail tech russound com the rig ht Com
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8. ot attempt to service the appliance beyond that described in the operat ing instructions All other servicing should be referred to qualified service personnel Avoid using a telephone other than cordless type during an electrical storm There may be a remote risk of electric shock from lightning Do not use the telephone to report a gas leak near the leak Contents 1 Safety Instructions 2 Introductio y u eR 3 Possible System Configuration 4 Front Panel tr Io aes 5 Back Panel Connections 6 Specifications 7 1 Precautions 1 Do Not Touch The DPA 1 2 With Wet Hands Do not handle the DPA 1 2 or power cord when your hands are wet or damp If water or any other liquid enters the DPA 1 2 cabinet take the DPA 1 2 to qualified service personal for inspection Location of the DPA 1 2 Do not expose the DPA 1 2 to direct sun light or heating units as the DPA 1 2 inter nal components temperature may rise and shorten the life of the compo nents Avoid damp and dusty places Care From time to time you should wipe off the front and side panels and the cabinet with a soft cloth Do not use rough material thinners alcohol or other chemical solvents or cloths since this may damage the finish or remove the panel lettering 4 2 NOM
9. reo Mono switch selects stereo or mono for the speaker outputs In the Mono position each Left and Right output is Mono The Mono portion is also used for BRGD bridged operation MONO Video Input The Video Input is a sensing input that will activate the DPA 1 2 when a video signal is present When there is no video the amplifier will go into standby or default back to the whole house amplified signal if playing Speaker Outputs The and B speaker outputs in parallel to the amplifier output When connected to the A or B output either 6 ohm or 8 Ohm speakers could be used When using both A and B speaker outputs only speakers with impedance higher than 8 Ohms can be connected For Bridge amplifier operation connect the of the speaker to and of the speaker to the L of the amplifier i Mono Bridged Operation LEFT SPEAKER 9 amp RIGHT SPEAKER 8 OHM v C v LINE INPUT SENSING SPEAKER OUT INPUT FROM INPUT FROM LEFT LINE RIGHT LINE LEVEL OUTPUT LEVEL OUTPUT SPEAKER OUT SPEAKER B OUT Stereo Operation 8 OHM SPEAKERS 8 OHM SPEAKERS 6 OHM SPEAKERS STEREO BRGD MONO 9 4 SPEAKER OUT SPEAKER B OUT 12 Volt Trigger In and Out Trigger output is 12 volts at a maximum of S AUR 10
10. stem and a local source such as a television set LINE OUTPUTS AMPLIFIED OUTPUT TO ROOM SPEAKERS 12V WARNING SHOCK OUT 100 HAZARD DO NOT OPEN AVIS RISQUE DE CHOC ELECTRIQUE NES PAS SPEAKER A OUT AMPLIFIED INPUT UNIS SENSING FOR BRIDGED OPERATION SEE MANUAL siR AC 60Hz 9 1 5A 5 DEFAULT SPEAKER B OUT AMPLIFIED INPUT AMPLIFIED INPUT FROM AUDIO DISTRIBUTION SYSTEM 4 FRONT PANEL Power Switch Turns on the main power for the ampli fier When the power is on the LED will be illuminated 5 BACK PANEL CONNECTIONS Line Input This line input is a sensing SENSING input that will activate the DPA 1 2 when an audio signal is present When there is no audio the amplifier will go 6 into standby or default back to R whole house amplified signal if playing Speaker Level Input The speaker level input is a sensing input that will automatically switch the DPA 1 2 from the default input to the speaker level input This input would be used in place of the line audio input An amplified signal from a smaller amplifier or television can be amplified by the DPA 1 2 for a Cleaner more dynamic sound LINE INPUT Gain Controls Left and Right gain con trols independently adjust the sound CR level for each channel When in the EE bridge mode only the right control G is used Stereo Mono Switch The Ste
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