Owner’s Manual
MOON Series
310
LP
Phono Preamplifier
Page 1: ...Owner s Manual MOON Series 310 LP Phono Preamplifier ...
Page 2: ...rticularly at plugs convenience receptacles and the point where they exit from the apparatus 11 Only use attachments and accessories specified by the manufacturer 12 Use only with the cart stand tripod bracket or 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 13 Unplug this appa...
Page 3: ...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 3 AC extension cords are NOT recommended for use with this product 4 NEVER use flammable or combustible chemicals for cleaning audio components 5 NEVER operate the MOON 310LP with any covers removed There are no user serviceab...
Page 4: ... Installation Placement 6 Circuit Board Layout 7 Internal Settings 8 Using the 310LP with an External Power Supply 11 Rear Panel Connections 12 Operating the 310LP 13 Specifications 14 www simaudio com Revision no 20091110 ____________________________________________________________________________________ ...
Page 5: ...motion 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 accessori...
Page 6: ...l 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 Installation Placement The MOON 310LP requires reasonable ventilation to maintain an optimum and consistent operating temperature As a result it should...
Page 7: ...N 310LP Circuit Board layout Available Settings A Resistance loading jumper bank B Capacitance loading jumper bank C Equalization curve jumper bank D Gain level jumper bank ____________________________________________________________________________________ Circuit Board Layout 7 ...
Page 8: ...ented by jumper sockets J9 J10 J11 J12 and J13 respectively for the left channel and jumper sockets J27 J28 J29 J30 and J31 for the right channel refer figure 2 below The factory default setting is 47kΩ therefore jumpers will be found in sockets J13 J31 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 ...
Page 9: ... 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...
Page 10: ... 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 5...
Page 11: ...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 320S 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 damag...
Page 12: ...ance 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 sub...
Page 13: ... 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 fir...
Page 14: ...10dBr Signal to noise Ratio full scale 40dB gain 114dBr with 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 1kHz 10KΩ 6 0 Volts Frequency Response RIAA IEC Curve 20Hz 20kHz 0 5dB IEC Curve Effect 7dB 10Hz Crosstalk 1kHz 100dB Intermodulation Distortion 0 009 THD 20Hz 20kHz 0 001 Power Consump...
