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1. UME adjust volume up or down Install the batteries before use m w uo 2 O10 0 0 0 0 0 0 0 0 0 0010 0 0 OR 00 0 0 music hall music hall a15 3 integrated amplifier Technical Specification Input sensitivity RCA 330mV Phono MM imvV Power output 50W so0hm 75W 4ohm PRE OUT 660mV SNR gt 90dB THD N lt 0 02 20Hz 20KHz Frequency response RCA 20Hz 20KHz 0 5dB PHONO RIAA compliant Analog inputs 6 x line level 1 x phono Physical Dimensions w16 9 x d14 3 x h3 1 in w430 x d364 x h79 mm Weight 14 3 Ibs 6 5 kg Supplied Accessories power cord remote control 2 x AAA batteries USA This product complies with FCC requirements music hall a15 3 integrated amplifier Troubleshooting No LED indicating Volume or Source Check that the power switch is on that the power cord is connected securely that there is power at the wall outlet the fuses after unplugging the power cord No Sound Check that the volume control isn t at zero that the unit is not in mute mode the selected input is playing the headphones are unplugged all interconnect cables are making good connection speaker wires are securely connected Weak Bass Confused Stereo Image Check that the speaker wiring is in phase positive on the speaker connector is connected to positive on the amplifier and likewise for the negative confirm that all speaker and interconnect cab
2. al15 3 integrated amplifier user s Manual music hall http www musichallaudio com music hall a15 3 integrated amplifier Congratulations On Your Purchase You have selected a state of the art integrated amplifier Each component chosen for assembly in the construction of the Music Hall a15 3 was selected to provide you with superior performance and the highest level of sound reproduction available today We know of no integrated amplifier that costs as much to produce that sells for so little Please take a few moments to read over the instruction manual to ensure that you get the best performance from your unit and years of trouble free service SAFETY GUIDELINES This product is designed and manufactured to strict quality and safety standards However you should be aware of the following installation and operation precautions 1 Take heed of warnings and instructions Read all the instructions before connecting or operating the unit Keep this manual so you can refer to these safety instructions Heed all warnings and Safety information in these instructions and on the unit 2 Water and Moisture To reduce the risk of fire or electric shock do not expose the unit to moisture or water If the unit is exposed to moisture immediately disconnect the power cord from the wall Take the unit to an authorized Music Hall service center for inspection Do not touch the unit power cord or plug with wet hands 3 Object
3. he rear panel of the unit 10 Power cord protection Connect the unit to the power outlet only with the cord supplied Do not modify the supplied cable in any way Do not attempt to defeat grounding and or polarization provisions Do not use extension cords Do not route the power cord where it will be crushed pinched bent at severe angles exposed to heat or damaged in any way 11 Non use periods If the unit is to be left unused for a long period of time the power cord should be unplugged from the wall outlet 12 Damage Requiring Service Stop using the unit immediately and have it inspected by an authorized Music Hall service center whenever The power supply cord or plug has been damaged Liquid has been spilled into the unit The unit has been exposed to rain The unit does not operate properly The unit has been dropped or damaged Smoke or any unusual smell is detected from the unit Nu BR WN music hall a15 3 integrated amplifier CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER OR BACK NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONEL Indicates that the user of this unit must understand important operation and maintenance instructions J Indicates
4. high voltage power inside the unit which will cause electric shock Getting Started Thank you for purchasing the Music Hall a15 3 The al5 3 is a classic two channel integrated amplifier designed for the music lover We chose a select group of technologically advanced components to create this powerful 50 watt channel integrated amplifier When used in a top end audio system your Music Hall integrated amplifier will provide years of enjoyment The a15 3 is the perfect complement to Music Hall s c dac15 3 dac cd player A Few Precautions A Few Precautions Please read this manual carefully In addition to installation and operating instructions it provides valuable information that will help you get optimum performance from your system Please contact your authorized Music Hall dealer for answers to your questions In addition all of us at Music Hall welcome your questions and comments Save the shipping carton and all enclosed packing material for future use Shipping or moving the unit in anything other than the original packing material may result in severe damage that is not covered by the warranty Be sure to keep the original sales receipt It is your best record of the date of purchase which you will need in the event warranty service is required Placement Use common sense when placing the a15 3 Always place it on a firm level surface Make sure that the shelf or cabinet can support the weight Ensure that there is adequate venti
5. lation around all sides of the unit Avoid placing the a15 3 where it may be subject to excessive heat such as near a heat register Do not place anything on top of it For best performance avoid placing the a15 3 where it may be subject to vibration such as near a speaker music hall a15 3 integrated amplifier Connecting Source Components to the a15 3 Left Speaker lt Right Speaker Back Panel and Connections PHONO For connection to a turntable with a MM moving magnet phono cartridge Note Ground Screw next to inputs INPUTS ONE FIVE For connection of optional equipment PRE OUT For connection to an external amplifier or sub woofer SPEAKER OUT R AND L For connection to loudspeakers see additional instructions below VOLTAGE SELECTOR Before connecting insure that the voltage selector is set for the correct voltage for your region 115v USA or 230v European AC IN For connection of mains voltage Make sure that the plug is correctly inserted and that the voltage corresponds to the text printed on the cabinet back panel music hall a15 3 integrated amplifier Speaker Outputs To avoid damage to the a15 3 make sure it is NOT plugged into an AC outlet while connecting up or disconnecting speaker wire to the speaker outputs The a15 3 has one pair of speaker outputs on the back labeled R right speaker and L left speaker Use a suitable pair of speaker cables for connecting the speakers Cons
6. le connections are secure Distorted Sound Check that the volume isn t too high Remote Control not functioning Check that there are no obstacles between the remote and the unit that the batteries are fresh and not expired music hall a15 3 integrated amplifier Guarantee This entitles you to have the Music Hall a15 3 repaired or replaced at our discretion free of charge for one year after purchase at any authorized Music Hall dealer provided the unit was purchased from an authorized dealer Your original sales receipt is used as proof of purchase date Music Hall can take no responsibility for defects arising from accident misuse abuse wear and tear neglect or through unauthorized repair and or adjustment Neither can Music Hall accept responsibility for damage or loss occurring during transit to or from the person claiming under the guarantee Warranty Your Music Hall a15 3 warranty covers parts and labor costs for one year from the purchase date After one year you must pay for both parts and labor costs The warranty does not cover transportation costs at any time Claims under guarantee The unit should be packed in the original packing and returned to the dealer from whom it was purchased or to an authorized Music Hall service center It should be sent by a reputable carrier carriage prepaid Do not send the unit via USPS United States Postal Service No responsibility can be accepted for the unit while in
7. or liquid entry Do not allow foreign objects or liquids into the unit If this happens immediately disconnect the power cord from the wall and take the unit to an authorized Music Hall service center for inspection 4 Ventilation Please allow 2 inches 5 cm of unobstructed clearance around the unit Do not place the unit on a bed sofa rug or similar surface that could block ventilation from the bottom Do not stack another component on top of the amplifier If the component is placed in a bookcase or cabinet it must be ventilated to allow proper cooling 5 Heat Keep the unit away from naked flames radiators heat registers stoves or any other heat producing appliances including amplifiers music hall a15 3 integrated amplifier 6 Climate The unit has been designed for use in moderate climates Do not attempt to use below 41 degrees Fahrenheit 5 degrees Celsius or above 95 degrees Fahrenheit 35 degrees Celsius 7 Rack and Stands Place the unit on a fixed level surface strong enough to support its weight Do not place it on a moveable cart that could tip over We recommend only using stands approved for use with audio equipment 8 Cleaning Unplug the unit from the mains supply before cleaning The case should normally require only a wipe with a soft lint free cloth 9 Power Sources Only connect the unit to a power supply of the type and voltage described in the operating instructions or specified on t
8. transit to the dealer customer or authorized service agent therefore customers are advised to insure the unit against loss damage or theft while in transit For further details contact Music Hall LLC 108 Station Road Great Neck NY 11023 T 516 487 3663 F 516 773 3891 W http www musichallaudio com
9. ult with your dealer if you need advice Connect the right speaker to the R connectors and the left speaker to the L connectors Pay careful attention to match the positive red or connector on your speaker to the positive terminal on the a15 3 Likewise match the negative black or speaker connector to the negative black or terminal on back of the a15 3 This will insure your loudspeakers are playing in phase Connecting to the Mains Plugging In Check that the on off button on front of the a15 3 is in the off position Push the plug IEC line socket of the power cable supplied with the a15 3 into the socket AC IN on back of the unit Make sure it is pressed in firmly Plug the other end of the power cable into an AC wall outlet Operating the a15 3 icha o phones line in line in two three four five phono O O i O O O AO O on off a15 3 integrated amplifier Push the on off button to turn on the a15 3 Select your desired source via the push buttons on the front panel adjust volume and enjoy line in additional input that accepts a 3 5mm stereo connector phones 3 5mm stereo output for use with headphones music hall a15 3 integrated amplifier Remote Control Functions The supplied remote controls both the a15 3 integrated and the c dac15 3 dac cd player The a15 3 functions are MUTING mutes the integrated amplifiers output INPUT to select an input source toggles through inputs VOL

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