Neo 400M Amplifier
Contents
1. Remote Operation Figure 3 Remote Operation In figure 3 we have a Neo 350P Preamplifier and a pair of 400M Amplifiers connected together via their respective 12V triggers The 12V trigger output on the 350P is connected to the 12V trigger input on the top 400M using a 1 8 mini jack cable The 12V trigger output from this 400M connects to the 12V trigger input on the bottom 400M also using a 1 8 mini jack cable When you turn on the 350P using a remote control or its Standby button both 400M s will turn on automatically The same rule applies when you put the 350P into Standby mode 11 400M Neo Series Specifications Configuration Fully Balanced Differential Mono Power Supply Transformer 400VA Power Supply Capacitance 85 000uF Class Of Operation A AB Input Impedance 47 500 Input Sensitivity 800mV Output Device Type MOON Bipolars Output Power 8Q 400 Watts Output Power 4Q 650 Watts Frequency Response 10Hz 125kHz 0 3 0dB Gain 36dB Signal to noise Ratio 106cB full power Intermodulation Distortion 0 02 Total Harmonic Distorition 20Hz 20kHz 1W 0 02 Total Harmonic Distorition 2OHZ 20kHz 125W 0 05 Power Consumption idle 36 Watts AC Power Requirements 120V 60Hz or 240V 50Hz Shipping Weight 33 Ib 15 Kg Dimensions W x H x D inches cm 16 9 x 3 5 x 14 0 42 9 x 8 9 x 35 6 Balanced Pin Assignment Pin 1 Ground Pin 2 Positive Pin 3 Negative NOTE2. If you require the RS 232 codes for your Neo 400M please visit the Contact Us page and complete the Information request form on our website at www simaudio com i Fuse Replacement 120V version uses a 8A fast blow 3AG 230V version uses a 4A fast blow 3AG 12
3. The results are Real time amplification more accurate musical reproduction and the elimination of transient intermodulation distortion Balanced differential circuitry Proprietary MOON Bipolar Output transistors with unprecedented gain linearity resulting in improved bass response and even more accurate sonic reproduction Class A output to 10 watts for greater efficiency An exceptionally short signal path for a faster transient response A high damping factor which yields superior musical dynamics improved signal speed and refined timbre accuracy RS 232 port for i full unsolicited bidirectional feedback in custom installation setups and ii firmware updates 12 Volt Trigger inout and output Rigid chassis construction to minimize the effects of external vibrations Designed to be powered up at all times for optimal performance Low operating temperature for an ultra long life expectancy Owner s M anual Unpacking The Neo 400M power amplifier should be removed from its box with care The following accessories should be included inside the box with your amplifier v AC power cable v This owner s manual v Warranty and product registration information USA and Canada only Once the N o 400M is unpacked inspect it thoroughly and report any damage to your dealer immediately We suggest that you keep all of the original packaging storing it in a safe dry place in case you re required to transport th
4. o 400M with any liquid If a liquid substance does enter your Neo 400M immediately disconnect it from the AC mains and take it to your MOON dealer for a complete check up NEVER spill or pour liquids directly onto the N o 400M NEVER block air flow through ventilation slots or heatsinks NEVER bypass any fuse NEVER replace any fuse with a value or type other than those specified NEVER attempt to repair the N o 400M If a problem occurs contact your MOON dealer NEVER expose the N o 400M to extremely high or low temperatures NEVER operate the N o 400M in an explosive atmosphere ALWAYS keep electrical equipment out of reach of children ALWAYS unplug sensitive equipment during lightning storms WARNING Do not expose batteries or battery pack to excessive heat such as sunshine or fire or the like electronic Owner s M anual Table of Contents Introduction 6 Unpacking 7 Installation amp Placement 7 Rear Panel Layout 8 Connecting the Neo 400M 9 Balanced Operation 9 Operating the N o 400M 10 Remote Operation 11 Specifications 12 www simaudio com Simaudio Ltd 1345 Newton Road Boucherville Qu bec J4B 5H2 CANADA Date Code 20150805 400M Neo Series Introduction Thank you for selecting the Neo 400M Mono Power Amplifier as a part of your hi fi reproduction system This power amplifier has been designed to offer state of the art high end performance in an elegant package while retaining a
5. 400M VEO Series Mono Power Amplifier Owner s Manual 4 A MOON by SIM AUDIO 400M Neo Series N Owner s M anual Important Safety Instructions OY et a oe TO Read these instructions Keep these instructions Heed all warnings Follow all instructions Do not use this apparatus near water Clean only with a dry cloth Do not block ventilation openings Install in accordance with the manufacturer s instructions Do not install near any heat sources such as radiators heat registers stoves or another apparatus that produces heat Do not defeat the safety purpose of the polarized or grounding type plug A polarized plug has two blades with one wider than the other A grounding type plug has two blades and a third grounding prong The wide blade or the third prong is provided for safety If the provided plug does not fit into the outlet consult an electrician for replacement of the obsolete outlet Protect the power cord from being walked on or pinched particularly at plugs convenience WARNING receptacles and the point where they exit from the apparatus Unplug mains cord during transportation Only use attachments and accessories specified by the manufacturer Use only with the cart stand tripod bracket or Q table specified by the manufacturer or sold with the apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury from tip over
6. Unplug this apparatus during lightning storms or when unused for long periods of time Refer all servicing to qualified service personnel Servicing is required when the apparatus has been damaged in any way such as when the power cord or plug has been damaged liquid has been spilled or objects have fallen into the apparatus or the apparatus has been exposed to rain or moisture does not operate normally or has been dropped No naked flame sources such as candles should be placed on the apparatus TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK DO NOT EXPOSE THIS APPLIANCE TO RAIN OR MOISTURE CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION TO REDUCE THE RISK OF ELECTRICAL SHOCK DO NOT REMOVE COVER NO USER SERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED PERSONNEL 400M Neo Series Important Safety Instructions cont d The lightning flash with the arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product s enclosure that may be of sufficient 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 maintenance servicing instructions in the literature accompanying the appliance CE European Community Marking by the CE symbol shown left indicates compliance of this d
7. ductors and therefore cancel out 400M Neo Series Operating the 400M We recommend leaving your Neo 400M powered up at all times to maintain optimal performance When you plan on being away for a few days it may not be a bad idea to power off your amplifier Please keep in mind that once fully broken in your 400M requires several hours of operation before reaching optimal performance after powering it up again Turning on your Neo 400M for the first time Prior to turning the amplifier on for the first time make sure that every cable is properly connected to avoid any problems Then turn on your preamplifier connected to the 400M Flick the main rocker switch located on the rear panel labeled POWER to the 1 on position The blue LED on the front panel will blink for up to 10 seconds while it achieves standby mode When it stops blinking and is not illuminated your 400M is in standby mode Next briefly press the push button labeled Standby located on the front panel You will hear a very faint click sound confirming that everything is in order The blue LED on the front panel will illuminate indicating that the 400M is now powered up and ready for use On and Off Sequence To avoid having any annoying noises ie thumps and pops emanate from your speakers when powering 10 your 400M on or off you should always power up your preamplifier prior to powering up your 400M As well always
8. evice with the EMC Electromagnetic Compatibility and LVD Low Voltage Directive standards of the Please read all instructions and precautions carefully and completely before operating your N o 400M Power Amplifier ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables or when cleaning any component To completely disconnect this apparatus from the AC mains disconnect the power supply cord plug from the AC receptacle The N o 400M must be terminated with a three conductor AC mains power cord which includes an earth ground connection To prevent shock hazard all three connections must ALWAYS be used Connect the N o 400M only to an AC source of the proper voltage Both the shipping box and rear panel serial number label will indicate the correct voltage Use of any other voltage will likely damage the unit and void the warranty AC extension cords are NOT recommended for use with this product The mains plug of the power supply cord shall remain readily accessible NEVER use flammable or combustible chemicals for cleaning audio components NEVER operate the N o 400M with any covers removed There are no user serviceable parts inside An open unit especially if it is still connected to an AC source presents a potentially lethal shock hazard Refer all questions to authorized service personnel only 11 12 13 14 15 16 NEVER wet the inside of the N
9. ing any connections or removing the XLR jumpers the power amplifier must be turned off and the AC cable disconnected for at least 1 minute l Connect the input cables running from your preamplifier s outputs whether balanced or single ended to the amplifier s XLR or RCA input respectively We highly recommend that you use the balanced XLR input provided that your preamplifier has balanced outputs to take full advantage of Neo 400M Mono Power Amplifier s capabilities Please refer to the next section Balanced Operation on for further information Do not connect cables to both the XLR and RCA inputs at the same time Damage to both the 400M and the connected equipment can result that is not covered by warranty Don t hesitate to use high quality interconnect cables Poor quality interconnect cables can degrade the overall sonic performance of your system It is recommended though not mandatory to use balanced interconnects between your preamplifier and the 400M when using long cable runs i e more than 3 meters in length 2 Connect your speaker with the cable of your choice to the 400M s speaker binding posts Take care to respect the polarity of the outputs Once again don t hesitate to use high quality speaker cables Poor quality speaker cables can degrade the overall sonic performance of your system 3 Connect the supplied AC power cable to the IEC receptacle located o
10. is product The customized packaging is specially designed to protect the 400M from any potential damage during transit Please write the serial number of your new Neo 400M in the space provided below for future reference Installation amp Placement The Neo 400M Mono Power Amplifier requires reasonable ventilation to maintain an optimum and consistent operating temperature especially since it will radiate heat when driven hard Consequently it should be placed in a location with empty space around it for proper heat dissipation You should never place another component on top of this integrated amplifier As well it should be placed on a solid level surface You should avoid placing it near a heat source or inside a closed cabinet that is not well ventilated as this could compromise the amplifier s performance and reliability The 400M uses a large toroidal transformer in its power supply even though it is well shielded you should not place this power amplifier too close to source components sensitive to EMI such as turntables phono preamplifiers and CD Players Finally you should never place another component directly on top of this power amplifier 400M Neo Series Rear Panel Layout Made in Canada by Simaudia Ltd Fabriqu au Canada par Simaucio Lt e INPUT CLASS 2 WIRING SPEAKER OUTPUT CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN RISQUE DE CHOC FLECTRIQUE NE PAS OUVRIR AC POWER Fig
11. ll the sonic hallmarks on which Simaudio has made its reputation We have spared no effort to ensure that it is among the finest two channel amplifiers available We have been building high performance audio equipment for over 30 years and the know how gained through our cumulative experience is an important reason why MOON amplifiers are so musically satisfying The performance of your 400M will continue to improve during the first 300 hours of listening This is the result of a break in period required for the numerous high quality electronic parts used throughout this amplifier Before setting up your new Neo 400M we encourage you to please read this manual thoroughly to properly acquaint yourself with its features We hope you enjoy listening to the Neo 400M Mono Power Amplifier as much as the pride we have taken in creating this fine audio product We understand the power and emotion of music and build our products with the goal of faithfully capturing these elusive qualities The information contained in this manual is subject to change without notice The most current version of this manual is available on our official website at http www simaudio com Your Neo 400M Mono Power Amplifier incorporates many significant design features to achieve its world class level of performance This is an abbreviated list of the more important features Proprietary Advanced Rennaisance Technology which eliminates feedback
12. n the amplifier s rear panel Ensure that the AC wall outlet you use has a functioning ground For the best sonic performance it is preferable that you plug your 400M directly into a dedicated AC outlet and avoid using an extension cord If you have the time and willingness consider installing a superior quality AC wall outlet such as a hospital grade Hubbell Please speak with your MOON Authorized Retailer about the benefits of high quality cables for your system and superior quality AC wall outlet Balanced Operation When using an unbalanced interconnect the audio signal runs through both the center wire and the shield ground wire Any noise picked up by this interconnect ie nearby magnetic fields such as an AC power cord will be reproduced by the amplifier and heard through the loudspeakers Conversely a balanced interconnect has three separate conductors one for the ground and two for the actual signal These two signals are identical except that one is 180 degrees out of phase with the other For example when one conductor is carrying a signal of 5 Volts the other will be carrying a signal of 5 Volts When these two inverted signals on a balanced line are input into a differential power amplifier such as the Neo 400M any noise picked up by the interconnect will be eliminated since a differential circuit amplifies only the difference between these two signals Noise on a balanced interconnect will be equal on both con
13. power down your 400M prior to powering down your preamplifier Troubleshooting Your Neo 400M Mono Power Amplifier is equipped with a self diagnostic system that will automatically shut itself down when it detects either DC direct current or it enters into thermal protection mode due to overheating When either of these situations occur the blue LED on the front panel will begin to blink continuously If your 400M power amplifier turns itself off or will not power up there may very well be some DC present in the amplifier s input coming from your preamplifier s outputs To determine if there is any DC present power down your 400M via the main power rocker switch then disconnecting the input to the 400M leaving only the speaker connected Attempt to power up your 400M again A successful power up will indicate the presence of DC coming from your preamplifier or one of your signal sources ie CD Player When your amplifier has overheated simply wait until it cools down before attempting to power it back on again If your 400M still doesn t power up turn off the main power switch and check the AC fuse If the fuse appears OK put it back in its socket and then try powering up again If the fuse is blown replace it with a fuse of the same rating and repeat the above process At this point you should be able to power up your 400M If not immediately consult your Authorized MOON Retailer for assistance Owner s M anual gt t
14. ure 1 Neo 400M Rear panel The rear panel will look similar to Figure 1 above There is one balanced differential input on an XLR connector and one unbalanced single ended input on a RCA connector There is no switch to toggle from balanced mode to single ended mode You may operate the amplifier in either mode but only one mode at one time When you re using the balanced XLR inputs you must first remove the factory installed dummy XLR jumpers see figure 2 below from the back panel XLR connectors and store them in a safe place This jumper is required ONLY when using the single ended RCA input When you decide to switch to single ended input mode you must reinstall the XLR jumper between pins 1 and 3 exactly as shown below Figure 2 XLR connector without and with jumper accessory The left side of the rear panel has a pair of 12 Volt triggers each on a 1 8 mini jack one input and one output the latter for use if you need to daisy chain a second power amplifier on the same trigger circuit Immediately to the right of these 12V triggers is an RS 232 input on a DBY connector In the middle of the rear panel you will find a pair of heavy duty gold plated speaker binding posts On the far right side you will find from top to bottom The power main switch The AC Fuse socket cover and the AC in IEC receptacle for the power cord Owner s M anual Connecting the 400M Prior to mak
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