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power amplifiers 

Summary of Contents for MasterPower 2+

Page 1: ...power amplifiers ...

Page 2: ...ressed written permission of D Agostino LLC CAUTION NO USER SERVICEABLE PARTS INSIDE Do not open the amplifier s chassis or remove any of its screws Contact D Agostino LLC or your dealer if you have service needs WARNING Do not expose this amplifier to moisture or excessive humidity and do not use it outdoors Fire hazard may result The lightning flash with arrowhead within an equilateral triangle ...

Page 3: ...or discarded contact D Agostino LLC for a replacement 6 If the product must be shipped back to D Agostino LLC for warranty service the customer shall pay shipping costs D Agostino LLC will pay for return shipping 7 Before shipping the product to D Agostino LLC for service the customer must first obtain a Return Authorization RA number by calling D Agostino LLC The RA number must be marked clearly ...

Page 4: ...surface mount connections It s the only way to build audio products that will last for decades to come The amplifier you just purchased was built by hand in our Arizona factory literally less than 50 feet away from my desk I spend a lot of my time out on the line closely supervising production ensuring that every product we build is thoroughly tested to assure that it delivers every decibel of per...

Page 5: ... inches of clearance on each side and 3 inches of clearance at the top The bottom vents must not be obstructed by thick carpet dust etc We recommend that the amp be installed in an open equipment rack to assure proper ventilation The amp may be installed in a closed cabinet or in an equipment closet but the cabinet or closet must be designed with substantial ventilation at top and bottom active ve...

Page 6: ...6 Front panel 1 Standby Power On button ...

Page 7: ... panel 1 Crossover bridging bus control panel cover 2 XLR input jacks 3 RS 232 control input 4 3 5mm IR control output 5 3 5mm IR control input 6 Fuse cover 7 20 amp IEC AC input 8 Speaker cable binding posts ...

Page 8: ...ade lug or ring cannot move is all that s needed Too much torque could damage the binding posts Do not use a conventional wrench to tighten the binding posts Interconnect cables We recommend the use of high quality balanced XLR audio interconnect cables between your preamp and the Master Power 3 or Master Power 2 amplifier If you have a source device that does not offer XLR outputs please contact ...

Page 9: ...the power amp should also turn on If it does not check the owner s manual or the back panel of the preamp or other device to make sure it outputs a 12 volt trigger signal Some preamps require that the 12 volt trigger output be activated through a control menu if yours works this way make sure the trigger output is activated If you want to power up another component such as another Master Power ser...

Page 10: ...300 watts into 8 ohms This is the position the switches will be in when you first receive the amplifier Bus channels 1 and 2 Flip the top toggle switch to left to send the same signal to channels 1 and 2 The signal on input 1 will now be fed to channels 1 and 2 This works the same way with the Master Power 3 and 2 This is a useful feature if you want to biamplify your speakers using one channel fo...

Page 11: ...ke sure the channels driving the Master Power amplifier are set to Large so the processor s internal crossover will be bypassed The crossover filters built into the Master Power amplifiers are fixed at 80 Hz 18 dB octave which is the best response for most home theater and stereo systems To use the Master Power amplifier s internal crossovers first flip all three top toggle switches to the right a...

Page 12: ...reathe for a few minutes Maintenance The Master Power series amplifiers requires no user maintenance other than to keep the amplifier clean and ensure its vents remain unobstructed To clean the amplifier spray a small amount of distilled water onto a microfiber cloth and gently wipe the amp s surface along the direction of the metal grain with light pressure only Never use heavy pressure as this c...

Page 13: ...ail to return power to the amplifier consult your dealer for service LED inside the standby power button is illuminated but you hear no sound Follow these steps in order If one step succeeds in restoring the sound stop there and ignore the other steps 1 Check your preamp or surround processor and source device to make sure they are both turned on 2 Check the source device to make sure it is playin...

Page 14: ...amp delivers sound in both channels it is likely the original preamp is defective Consult the manufacturer of the preamp or your dealer for further information 6 If all of these steps fail to restore sound consult your dealer for service Sound lacks bass Follow the below steps in order If one of these steps fixes the problem stop there and ignore the other steps 1 If your system uses a subwoofer m...

Page 15: ...ind the control cover on the rear panel are set correctly Refer to page 8 for more information about these Sound seems unclear or unfocused with stereo sources Follow the below steps in order If one of these steps fixes the problem stop there and ignore the other steps 1 Play a CD not a record of a vocalist and sit in your usual listening position which should be equidistant from each speaker and ...

Page 16: ...dB Crossover filters 80 Hz 18 dB octave high and low pass Distortion 0 1 1 kHz 300 watts 8Ω Signal to noise ratio 80 dB unweighted Inputs 3 balanced XLR stereo Master Power 3 2 balanced XLR stereo Master Power 2 3 5mm 12 volt trigger Outputs metal binding posts 3 5mm 12 volt trigger Weight 128 lbs 58 1 kg Master Power 3 108 lbs 50 0 kg Master Power 2 Dimensions 11 5 x 19 x 20 inches hwd 29 2 x 48 ...

Page 17: ...17 For more information about Dan D Agostino Master Audio Systems please visit www dandagostino com ...

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