Owner`s Manual
Contents
1. and report any physical damage to your dealer immediately We suggest that you keep all of the original packaging storing it in a safe dry place in the event that you re required to transport this product The customized packaging is specially designed to protect the MOON 310LP Phono Preamplifier from potential damage that may occur during shipping Please write the serial number of your new Simaudio MOON 310LP in the space provided below for future reference Serial No Congratulations Unpacking 5 MOON 310LP Phono Preamplifier Introduction Your MOON 310LP Phono Preamplifier incorporates many significant design features to achieve its world class level of performance This is an abbreviated list of tne more important features Isolated power supply on a separate circuit board using a toroidal transformer with 2 stages of voltage regulation An extremely short signal path for a faster transient response End user adjustments for capacitance loading resistance loading and gain level to extract exceptional performance from virtually all high quality phono cartridges End user adjustments to alternate between the RI AA and I EC equalization curves Single ended RCA and Balanced XLR output connectors Optional external power supply Power supply voltage regulation includes i DCf Independent Inductive DC Filtering derived from the Evolution Series for increased dynamic range Four layer PCB tracings with dedicated ground and2. 320S Power Supply Signal to noise Ratio full scale 66dB gain 88dBr Signal to noise Ratio full scale 66dB gain 92dBr with 320S Power Supply Maximum Output kHz 10KO0 6 0 Volts Frequency Response RIAA amp IEC Curve 20Hz 20kHz 0 5dB EG CUrve E le Eroi lalla 7dB 10Hz eet ter E 100dB Intermodulation Distortion lt 0 009 TAD R0A2 20KH2 aka aa lt 0 001 Power COnSUMptiON siii da ac DG 6 Watts AC Power Requirements 120V or 240V 60Hz or 50Hz SRIPPINOAWEIGNE sorelle rea iaia 7 lbs 3 Kgs Dimensions W x H x D inches eese 8 x 3 25 X 11 PIE bia Ground PIN dssdo on lena Positive PTS EE Negative Fuse Replacement For the 120V version use a 0 1A slow blow 5 x 20mm size For the 230V version use a 0 1A slow blow 5 x 20mm size Specifications 14
3. U2 a eE IEEE LM317D2T D Oo SE gt t e gt E EE OR CRE EI epe El pi poor ned O 100R 28 E 470R J11 DE 470R 329 El J12 E 71 1k J30 Z J3 E 47k 531 E E o zal Pirmus c28 cas HI FIS cane YN UU ULI La TN UU UU c T Gel Tt o 4l M ye M zT d C25 C30 og amp IO Sires 2 m Ba U3 J21 u6 E ae R24 L SITTI _ ps2 Lor g R53 J32 BRE TPL 18U MOON PHONO PREAMPLIFIER TP4 10V L1 II L R4 1R5 Simaudio design team Figure 10 MOON 310LP Circuit Board layout Using the 310LP with an External Power Supply 11 MOON 310LP Phono Preamplifier Rear Panel Connections LEFT OUTPUT DC acude AC POWEH Mede in Canada by Simeudio Ltd Fabriqu au Canada par Simaudio Lt e Figure 11 MOON 310LP Rear panel The rear panel will look similar to Figure 11 above There is one pair of single ended inputs on RCA connectors located in the center with a ground post directly below Connect the cables from your turntable to these inputs and the ground lead wire to the ground post The MOON 310LP Phono Preamplifier has two pairs of outputs One single ended pair on RCA connectors and one balanced pair on XLR connectors In the event that the preamplifier integrated amplifier you re connecting the 310LP to has balanced inputs its highly advantageous to use the 310L
4. levels are indicated There are three 3 jumpers sockets for each channel that are used to adjust the gain level setting J 16 J17 and J 18 for the left channel J32 J33 and 34 for the right channel Each of these jumpers sockets have three pins allowing for 2 different possible positions As well there is a detailed diagram printed on the circuit board located just below and to the right of each of these jumper banks that shows the jumper positioning for the four available gain settings see figure 8 below roi ON LO e LD EZ r 1 Figure 8 Left and right channel jumper banks for gain level settings The factory default gain setting is 40dB whereby all three jumpers in each bank are mounted to the left In the event that you are using a MC cartridge you will need to change the gain setting to either 54dB 60dB or 66dB The basic rule to determine gain for a MC cartridge is as follows For a low output MC cartridge 0 7mV and lower set the gain level to 66dB for a medium output MC 0 7mV to 1 5mV set the gain level to 60dB for a high output MC 1 5mV set the gain level to 54dB However as is the case with the other internal settings let your ears be best judge as to what the best sounding gain setting should be When using a MM cartridge never set the gain above 40dB otherwise you will overload the 310LP s circuit resulting in a very distorted output signal To select a gain level of 60dB you would mou
5. 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 MOON 310LP If a problem occurs contact your MOON dealer NEVER expose the MOON 310LP to extremely high or low temperatures NEVER operate the MOON 310LP in an explosive atmosphere ALWAYS keep electrical equipment out of reach of children ALWAYS unplug sensitive electronic equipment during lightning storms MOON 310LP Phono Preamplifier Table of Contents CongratulatlOFiS EE 5 Unpacking and Warnings eene 5 INTOUCH et EE RT P ERR 6 Installation amp Placement eee 6 Circulb Board Layout rc 7 Internal Settln ds sicari 8 Using the 310LP with an External Power Supply 11 Rear Panel Connections enn 12 Operating the 310LP_ ee cece eee nett eee eens 13 giele dere Ia 14 WWW SImaudio com Revision no 20091110 MOON 310LP Phono Preamplifier Congratulations Thank you for selecting the MOON 310LP Phono Preamplifier as a part of your music cinema system This component has been designed to offer state of the art high end performance in an elegant package while retaining all the sonic hallmarks on which Simaudio has made its reputation We have spared no effort to ensure that it is amongst the finest phono preamplifiers available We have been building high performance audio equipment for over 25 year
6. Owner s Manual MOON Series 310 LP Phono Preamplifier MOON 310LP Phono Preamplifier Important Safety Instructions Goo cs e M ses E IRR E 10 11 12 13 14 15 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 receptacles and the point where they exit from the apparatus Only use attachments and accessories specified by the manufacturer apparatus When a cart is used use caution when moving the cart apparatus combination to avoid injury amp Use only with the cart stand tripod bracket or table specified by the manufacturer or sold with the from tip over Unplug this apparatus during lightning storms or when unused fo
7. P s XLR outputs This will provide you with an even better signal to noise ratio and increased gain by a factor of 60B Don t hesitate to use high quality interconnects Poor quality cables can degrade the overall sonic performance of your System Finally on the right side the IEC receptacle labeled AC Power for the included AC power cord Directly above the IEC receptacle is a 4 pin XLR connector labeled DC Power this is for the optional 310LP external power supply upgrade All rear panel connectors have been chosen because they provide the best possible connections for your unit A poor contact will degrade the signal substantially and plugs and sockets should all look clean and free of dirt and corrosion The easiest way to clean them is to remove the cables from their sockets and push them back in again This procedure requires that your Phono Preamplifier and the rest of your components be completely turned off Not heeding this warning may result in serious damage to your equipment Special contact cleaning fluids and enhancers should not be used as they deposit a difficult to remove residue which can degrade the performance of your components over the long term Rear Panel Connections 12 MOON 310LP Phono Preamplifier Operating the 310LP We recommend that you leave your MOON 310LP Phono Preamplifier powered up at all times to maintain optimal performance In the event that you plan to be away from your home for a few days powering
8. ce of this device with the 10 11 12 13 14 15 European Community Please read all instructions and precautions carefully and completely before operating your Simaudio MOON 310LP Phono Preamplifier ALWAYS disconnect your entire system from the AC mains before connecting or disconnecting any cables or when cleaning any component The MOON 310LP 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 MOON 310LP 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 NEVER use flammable or combustible chemicals for cleaning audio components NEVER operate the MOON 310LP 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 NEVER wet the inside of the MOON 310LP with any liquid If a liquid substance does enter your MOON 310LP 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 MOON 310LP NEVER block air flow
9. el jumper banks for capacitance load adjustments at default settings Typically capacitance loading adjustments will only impact the sonic performance of a MM cartridge We recommend that when using a MC cartridge you should set the capacitance load to OpF by placing the supplied jumpers into sockets J 6 and 24 respectively for the left and right channels In the event that you re using a MM cartridge experiment with the three 3 available loads selecting the load that provides the best possible sound quality For example if you decided on using the capacitance setting of 470pF then you would insert the supplied jumpers into sockets J8 and J 26 refer to figure 5 below DI 100pF 37 EI _ e23 c 100pF 325 Dj ca M70pF e al co 47DpF 526 una oe Figure 5 Left and right channels set to a 470pF capacitance load One of the three jumper sockets for each channel must always have a jumper inserted into it otherwise the 310LP will not produce an output signal As well you should always maintain the same capacitance setting for both channels otherwise sound quality may vary between the left and right channels of your audio system Equalization Curve The MOON 310LP Phono Preamplifier is equipped with circuitry for two 2 different equalization curves The RIAA standard and the less common IEC modified curve The main difference is that the RIAA curve produces a flat frequency response from 20Hz to 20kHz The IEC curve acts as a subs
10. factory default for a 47kQ resistive load Conversely if you re using a moving coil MC cartridge experiment with the four 4 other available loads ranging from 100 through 1KQ selecting the load that provides the best possible sound quality For example if you decided on using the resistance setting of 1000 then you would insert the supplied jumpers into sockets J 10 and J28 see figure 3 below 2R e mil R29 um c Lr e Ce I un LU PH bali un un Lal Lul c Cr Figure 3 Left and right channels set to a 100Q resistance load One of the five jumper sockets for each channel must always have a jumper inserted into it otherwise the 3LOLP will not produce an output signal As well you should always maintain the same resistance setting for both channels otherwise sound will vary between the left and right channels of your audio system Internal Settings 8 MOON 310LP Phono Preamplifier Internal Settings cont d Capacitance Loading There are three 3 different settings available for setting the capacitive load OpF 100pF and 470pF which are represented by jumper sockets J 6 J7 and J8 respectively for the left channel and jumper sockets J 24 J25 and J 26 for the right channel refer figure 4 below The factory default setting is 100pF therefore jumpers will be found in sockets J7 amp J25 OpF lie KE 100pF 37 ail c23 v 100pF J25 MENN Co AzopF za EI ez esa Figure 4 Left and right chann
11. here are 2 banks of jumpers one each for the left and right channels This is the result of the 310LP s genuine mirror image circuit design which yields exceptional stereo separation Always place the preamplifier that your 310LP is connected to either into mute or stand by mode prior to changing any of the following input settings Then disconnect the AC power cord from the rear of the 310LP There are a total of eight 8 screws that you must remove using the included allen key four each on either side of the chassis Once these screws are removed carefully lift off the chassis cover Once the cover is removed you are ready to make all of the necessary internal adjustments to the 310LP to achieve optimal sonic performance Resistance Loading There are five 5 different settings available for setting the resistive load 100 1000 4700 1kQ and 47k which are represented by jumper sockets J9 J 10 J11 J12 and J 13 respectively for the left channel and jumper sockets 27 J28 29 J30 and J31 for the right channel refer figure 2 below The factory default setting is 47kO therefore jumpers will be found in sockets J 13 amp J 31 C Cr CH CH I an LA eI kel un un Lil Lil LE Cr Figure 2 Left and right channel jumper banks for resistance load adjustments at default setting In the event that you re using a moving magnet MM cartridge it is recommended that you leave the jumpers inserted in sockets J13 amp J31 the
12. nt the jumpers for sockets 16 J 17 J32 and J33 to the right and the jumpers for sockets J 18 and J 34 to the left as shown in figure 9 below R25 J16 R53 I32 BR E Figure 9 Left and right channels set to a gain level of 60dB Once you ve completed all necessary adjustments carefully place the chassis cover back into place making sure that the eight screw holes line up with their respective sockets on the main chassis and replace the screws using the included allen key Internal Settings 10 MOON 310LP Phono Preamplifier Using the 310LP with an External Power Supply The MOON 310LP Phono Preamplifier can be operated with the optional MOON 320S Power Supply purchased separately Referring to figure 10 below you will see an array of four 4 jumper sockets labeled STR1 STR2 STR3 and STR4 The factory default position for the 2 jumpers is in sockets STR2 and STRA positions B in figure 10 To properly use the MOON 310LP in conjunction with the MOON 320S you will need to move these 2 jumpers into sockets STR1 and STR3 positions A in figure 10 For further details please refer to your MOON 3206 owner s manual In the event that you are using the MOON P 8 Controller as power supply these 2 jumpers must remain in sockets STR2 and STR4 positions B in figure 10 Failure to make these adjustments may cause damage that is not covered by warranty A B A B GROUND LUG rail _ ce9 Jo
13. off the Phono Preamplifier may not be a bad idea Once fully broken in please keep in mind that your 310LP will require several hours of playing time before it reaches its peak performance after you ve powered it up again IMPORTANT A turntable with a functional cartridge MUST be connected to the MOON 310LP prior to connecting the AC power cord otherwise you may damage your amplifier and or loudspeakers Making the AC Connection Connect the supplied AC power cable to the IEC receptacle located on the rear panel of the phono preamplifier s chassis Ensure that the AC wall outlet you use has a functioning ground For the best sonic performance it is preferable that you plug your MOON 310LP directly into a dedicated AC outlet and avoid using an extension cord In order to obtain the maximum performance from your audio system we strongly recommend that the detachable power cord not come into physical contact with any of the interconnect cables running to and from your 310LP In the event that this can t be avoided you should ensure that any cables coming into contact with each other are crossed at ninety degree angle to minimize the contact area Powering up your MOON 310LP for the first time Since this Phono Preamplifier is not equipped with an on off power switch when connecting disconnecting the AC power cord you are actually turning the unit on off Prior to making the AC connection for the first time make sure that every cable is pr
14. onic filter removing inaudible infrasonic bass below 20Hz Jumper sockets J5 and J21 for the left and right channels respectively are used to set the 310LP s equalization curve These jumpers sockets have three pins allowing for 2 different possible positions The factory default position is for the RIAA curve as shown below in figure 6 where the jumper connects the lower 2 pins To select the I EC curve place the jumper over the upper 2 pins as shown in figure 7 below L_z GE LGT Wi JRZ C34 R55 Figure 6 RIAA Equalization curve jumper setting Figure 7 IEC Equalization curve jumper setting To determine which curve you should use do as follows with the 310LP set to the RIAA curve watch the movement of your loudspeaker s bass drivers if their motion doesn t follow the pattern of the record currently playing and or you see excessive driver movement chances are you should use the IEC curve to eliminate the subsonic information not present on the record Internal Settings 9 MOON 310LP Phono Preamplifier Internal Settings cont d Gain Setting There are four 4 gain settings available on the MOON 310LP They are 40dB for MM cartridges and 54dB 60dB and 66dB for MC cartridges However keep in mind that when using the balanced XLR outputs each of these gain levels increase by a factor of 6dB to 46dB 60dB 66dB and 72dB respectively note to keep the circuit board labelling simple only the single ended RCA gain
15. operly connected to avoid any problems Once the 310LP is connected to an AC source The blue LED on the unit s front panel will illuminate On and Off Sequence To avoid having any annoying noises ie thumps and pops emanate from your speakers when powering your 310LP on or off you should 1 Always power up your 310LP before powering up your preamplifier and or integrated amplifier 2 Always power down your 310LP after powering down your preamplifier and or integrated amplifier Operating the 310LP 13 MOON 310LP Phono Preamplifier Specifications CIFGUIELSVOUE TEE Mirror image symmetrical circuit Power Supply Transformer 10VA Power Supply Capacitance seem 14 000UF Single ended INPUT irta 1 pair RCA Input Impedance Adjustable ees 47 100 470 1k and 47kQ Input Capacitance Adjustable 0 100 and 470 pF Single ended output srl 1 pair RCA Balanced e te EE 1 pair XLR Gain Adjustable for single ended outputs 40 54 60 and 66dB Gain Adjustable for balanced outputs 46 60 66 and 72dB Input overload 40dB gain senes 58mV RMS Input overload 54dB gain 11mV RMS Input overload 60dB gain _ eese 6mV RMS Input overload 66dB gain _ eee 3mV RMS Signal to noise Ratio full scale o 40dB gain 110dBr Signal to noise Ratio full scale 40dB gain 114dBr with
16. power planes using pure copper for low impedance characteristics The advantages are better circuit layouts resulting in much shorter signal paths and a vastly improved signal to noise ratio Rigid chassis construction to minimize the effects of external vibrations A symmetrical circuit design with accurate matching of the very finest high quality electronic components Designed to be powered up at all times for optimal performance Low operating temperature for a longer than normal life expectancy nstallation amp Placement The MOON 310LP requires reasonable ventilation to maintain an optimum and consistent operating temperature As a result it should be placed in a location with empty space around it for proper heat dissipation 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 this component s performance and reliability You should never place another component directly on top of this phono preamplifier The 310LP is more sensitive than most other types of audio components to EMI electro magnetic interference from power supplies and motors Consequently it should be placed at a minimum distance of 18 inches from power supplies turntables tape decks AC line filters etc IMPORTANT A turntable with a functional cartridge MUST be connected to the MOON 310LP Phono Preamplifier prior to connecting the AC po
17. r 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 WARNI NG 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 MOON 310LP Phono Preamplifier m ortant 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 EMC Electromagnetic Compatibility and LVD Low Voltage Directive standards of the CE Marking by the CE symbol shown left indicates complian
18. s and the know how gained through our cumulative experience is an important reason why MOON audio components are so musically satisfying The performance of your 310LP 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 phono preamplifier Before setting up your new MOON 310LP we encourage you to please read this manual thoroughly to properly acquaint yourself with its features We hope you enjoy listening to the MOON 310LP Phono Preamplifier 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 manuals htm Unpacking The MOON 310LP Phono Preamplifier should be removed from its box with care The following accessories should be included inside the box with your phono preamplifier v AC power cable 5 64 Allen key to remove the chassis cover and make internal adjustments This owner s manual Warranty and product registration information USA and Canada only KAS As soon as the phono preamplifier is safely removed from its box and placed down perform a thorough physical inspection
19. wer cord otherwise you may damage your amplifier and or loudspeakers Introduction Installation amp Placement 6 MOON 310LP Phono Preamplifier Circuit Board Layout o 20 ES e S amp o Da St D13 O D20 0 O prre el piso D J35 9 Ji J4 EXTERNAL SUPPLY IN L OUTNLR R OUT XLR di 5 TERI 2 E e E LM337D2T LM317D2T 1OOpF LG Je GZ Jesz m zori AE fr Ser 1326 m csa L n sendo E amp qz ue EI cs 100R J S Toor 728 QU R63 J l 10U eh 10U 470R z Jn let E 470R Ri R64 LJ LI zr ep dl NUI es R3 RC _ R8 R22 R32 vs s R2 gu L N Cp L _ o E if yes C33 II ie C42 Ng N UE y KEE E ce N Acel cial D TP1 18U MOON ON PREAMIPLIFIER Tp 10u 1 L Jos R10 n z _ rzo LI L en KE Simaudio design team 5 10100rev101 PCB C43 Figure 1 MOON 310LP Circuit Board layout Available Settings Resistance loading jumper bank Capacitance loading jumper bank Equalization curve jumper bank Gain level jumper bank DO WwW gt IO Circuit Board Layout MOON 310LP Phono Preamplifier Internal Settings There are four 4 types of input settings available on the MOON 310LP Phono Preamplifier Capacitance loading Resistance loading Equalization curve and Gain level Each setting is adjustable through the use of jumpers For each type of setting t
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