Neo 430HA Headphone Amplifier
Contents
1. 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 4 30 HA Neo Series Important Safety Instructions cont d The lightning flash with the arrowhead symbol within an equllateral 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 eguilateral 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 t2. and hold the Gain button for approximately 3 seconds the current version of installed firmware will appear briefly in the display window When your Neo 430HA is equipped with the optional DAC pressing the Display button allows you to alternate the contents of the display window s right side between the volume level and the sampling rate of the digital input signal for the four 4 digital inputs D1 D2 D3 and D4 Note When the volume level is displayed and the digital input signal s sampling rate changes the new sampling rate will appear briefly The volume level will always be displayed on the right side for the three 3 analog inputs A1 A2 B1 The Display button also allows you to turn the digital display on and off If you want to turn the display off press and hold the Display button for 3 seconds When the display is turned off it will still illuminate for a short period of time whenever you press any of the buttons located on the front panel or the remote control the display will automatically turn off again once you are done To turn the display back on simply press and hold the Display button for 3 seconds The Xfeed button engages the Neo 430HA s internal Crossfeed circuit When activated the red LED located to the right of this button will illuminate The Crossfeed circuit is designed to reduce listener fatigue that may result from stereo recordings with extreme channel separati
3. the right will repeatedly flash on and off Note Adjusting the volume level while the Mute function is active will immediately de activate the Mute function The Neo 430HA is Energy Using Product EuP compatible This is a European standard that effectively limits the off and standby power consumption to no more than 0 5W When the EuP function is active the unit will automatically turn off after 20 minutes of inactivity The Mute button allows you to activate and de activate the EuP function as follows press and hold the Mute button for approximately 3 seconds to toggle EuP on default setting or off The display will show EuP or No EuP respectively whenver the EuP setting changes The EuP setting is maintained when the 430HA is both powered down and placed into Standby mode The MP button for Media Player has its input connection located above the headphone jack for easy access t uses a 1 8 mini jack connector which is the most common type of connection found on portable media players When selected the corresponding red LED located to the right of the button will illuminate When the MP input is in use the display window automatically turns off The Display button allows you to turn the digital display on and off The rotary volume control determines the volume level which ranges from 0 0dB no output to 80 0dB full output This control does not function like a typical volume When you
4. until the front panel display briefly shovvs Str If you are using the MiND Music Streamer and an external DAC you need to make a SimLink connection between the MiND s SimLink out and the 430HA s SimLink in You must assign this default setting as follovvs Select the analog input that you vvant as the default for the MiND then press and hold the INPUT gt right button for 3 seconds until the front panel display briefly shows Str When you press the b play button on the MiND App the 430HA will automatically switch to the default Str input If you have previously created a default input for CD ensure that you use a different analog input for the Str default The connection rules for the SimLink are very basic You must alvvays connect the supplied cable betvveen one components SimLink Out jack and another component s SimLink In jack If you inadvertently connect the cable between either two SimLink In or two SimLink Out jacks the SimLink communication feature may not function Also there is no master component in a SimLink chain no one particular component operates as the main communications controller 12 Operating the Neo 430HA We recommend leaving your Neo 430HA powered up at all times to maintain optimal performance VVhen you plan on being avvay for a fevv days it may not be a bad idea to povver off your amplifier Please keep in mind that onc
5. 32 384kHz USB input only EuP compatible eco friendly power less than 0 5W in standby mode with defeatable 20 minutes inactivity auto shut off 12 Volt trigger output for remote operations RS 232 port for i full unsolicited bidirectional feedback and ii firmware updates IR input for external control SimLink controller port for 2 way communications with other compatible MOON components Rigid chassis construction to minimize the effects of external vibrations Optimized selection of very high quality electronic components Low operating temperature for an ultra long life expectancy Owner s M anual Unpacking The N o 430HA headphone amplifier should be removed from its box with care The following accessories should be included inside the box with your headphone amplifier AC power cable This owner s manual M onu CRM 2 remote control with two AA batteries SimLink cable with 1 8 mini plug terminations on each end Warranty and product registration information USA and Canada only Once the N o 430HA 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 this product The customized packaging is specially designed to protect the 430HA from any potential damage during transit Please write the serial number of your n
6. 4 TRS jack The tvvo other headphone outputs are hidden behind the right side of the display vvindovv To expose them simply slide the display vvindovv to the left This is done by placing one of your fingers into the contoured groove located on the far right side of the vvindovv and gently sliding it to the left until it stops moving when the groove is vertically aligned to the blue indicator LED You will now see three 3 female XLR connectors The left and middle sockets are 3 pin XLR connectors intended for use with a pair of dual mono fully balanced headphones equipped with two 3 pin XLR male connectors The right socket is a 4 pin XLR connector intended for use with a pair of fully balanced headphones equipped with one 4 pin male connector When none of these three XLR connectors are in use you should close the display window this is done by placing one of your fingers onto the left side contoured groove and gently sliding it to the right until it stops moving 4 30 HA Neo Series Optional Digital Inputs T The Digital Input option includes four 4 separate inputs D1 uses an optical Toslink connector D2 and D3 use S PDIF on an female RCA connector and D4 uses a type B USB connector The D1 is intended for use with a source eguipped with a TosLink digital output such as a satellite dish receiver or DVD player The D2 and D3 inputs are intended for use with a source equipped with a S PDIF digital outp
7. 430HA VEC series Headphone Amplifier Owner s Manual a a a M OON by SIM AUDIO 4 30 HA Neo Series N Owner s M anual Important Safety Instructions za e Ie 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 Oo cord during transportation Only use attachments and accessories specified by the manufacturer 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
8. e fully broken in your 430HA requires several hours of operation before reaching optimal performance after povvering it up again Turning on your Neo 430HA 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 Flick the main rocker svvitch located on the rear panel labeled POVVER to the 1 on position The blue LED on the front panel vvill blink for up to 10 seconds vvhile it achieves standby mode VVhen it stops blinking and is not illuminated your 430HA 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 430HA 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 your 430HA on or off you should always power up any source components prior to powering up your 430HA As well always power down your 430HA prior to powering down any source components Owner s M anual 4 Y M MN Remote Control Operation POWER D A Figure 3 CRM 2 Remote Control The Neo 430HA Headphone Amplifier uses the CRM 2 full function remote control figure 3 lt operates on the Philips RC 5 communicati
9. ed with the DAC option you will find 4 digital inputs labeled D1 D2 D3 and D4 The D1 input is on an optical Toslink connector both the D2 and D3 inputs are on a S PDIF connector the D4 input is on a USB type B connector Below the area reserved for the optional digital inputs are a series of input output connectors for custom type installations From left to right there are two 2 SimLink connectors labeled in and out on 1 8 mini jacks Please refer to the next section entitled SimLink for more details Next there s a 1 8 mini jack input for use with aftermarket infrared remote control receivers Then there s a 12V trigger output on a 1 8 mini jack that can power up a connected component with a 12V trigger input at the same time that the 430HA is powered up Next there s a full function bi directional RS 232 port for custom integration or automation on a DB9 connector Finally on the far right side is the main power switch O off 1 on and the IEC receptacle labeled AC Power for the included AC power cord Connect the supplied AC power cable to the IEC receptacle located on the headphone 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 430HA 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
10. ew Neo 430HA in the space provided below for future reference Installation amp Placement The N o 430HA requires only minimal ventilation to maintain an optimum and consistent operating temperature However you should avoid placing it near a heat source as this could compromise the headphone amplifier s performance and reliability As well it should be placed on a solid level surface The 430HA uses toroidal transformers even though they are well shielded you should not place the preamplifier too close to source components sensitive to EMI such as a turntables Note We recommend connecting only one pair of headphones at a time to the N o 430HA If your N o 430HA is equipped with the DAC option and you intend to use the USB input connection PCM or DSD with a Windows based computer you will need to install our USB HD DSD driver which can be downloaded from the support section of our website Note Apple based computers don t require this driver 4 30 HA Neo Series Front Panel Controls Standby Gain Display xfeed 430 HA HEADPHONE AMPLIFIER Figure 1 Neo 430HA Front panel The front panel vvill look similar to Figure 1 above The large display vvindovv indicates the selected input and volume level setting If your Neo 430HA includes the Digital to Analog converter DAC option the digital input signal s sampling rate vvill briefly appear in the display vv
11. his device 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 Neo 430HA Headphone Amplifier ALVVAYS 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 Neo 430HA 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 Neo 430HA 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 o shall remain readily accessible NEVER use flammable or combustible chemicals for cleaning audio components NEVER operate the Neo 430HA 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 vvet the ins
12. ide of the Neo 430HA vvith any liquid If a liquid substance does enter your Neo 430HA 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 Neo 430HA 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 Neo 430HA If a problem occurs contact your MOON dealer NEVER expose the Neo 430HA to extremely high or lovv temperatures NEVER operate the Neo 430HA 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 Front Panel Controls 8 Optional Digital Inputs 10 Rear Panel Connections 10 Balanced Operation 11 SimLink 11 Operating the Neo 430HA 12 Remote Control Operation 13 Specifications 15 www simaudio com Simaudio Ltd 1345 Newton Road Boucherville Qu bec J4B 5H2 CANADA Date Code 20150805 4 30 HA Neo Series Introduction Thank you for selecting the N o 430HA Headphone Amplifier as a part of your hi fi reproduction system This Headphone Amplifier has been designed to offer s
13. indovv Refer to the section entitled Optional Digital Inputs on page 10 for further details The Standby button disengages all internal circuitry from the power supply except for the controller circuit and the IR receiver The blue indicator LED turns off when the N o 430HA is in Standby mode When switching back from Standby to the on mode the blue LED directly above the display window will illuminate and the current input will be memorized from the previous listening session When you press and hold the Standby button for approximately 3 seconds all components connected to the 430HA via SimLink will also switch between Standby mode and on mode Please refer to the section entitled SimLink for further details The 430HA will automatically go into standby mode after approximately 20 minutes of inactivity To disable this feature please refer to the Mute button details on the following page The Gain button allows you to switch between a low gain 14db setting and a high gain 20dB setting The default setting is low gain When you engage this button the corresponding setting wil appear briefly in the display window as either Lo or Hi The high gain setting should be used in situations when i your source component connected to the 430HA has a low output signal ii your headphones have either a low sensitivity or low efficiency rating When you press
14. on This feat is accomplished by i blending a small amount of the music from the left channel into the right channel and ii blending a small amount of the music from the right channel into the left channel Owner s M anual The two 2 buttons labeled 4 INPUT allow you to sequentially scroll either forward gt or backward 4 through all of the available inputs Depending on whether or not the DAC option is installed the order of the inputs is as follows going forward gt Basic Unit A1 A2 and B1 DAC option installed A1 A2 B1 D1 D2 D3 and D4 The above abbreviations correspond to the labeling of the rear panel inputs A1 A2 and B1 are intended for use vvith any type of source component that outputs an analog signal A1 and A2 for single ended sources using RCA connectors B1 for balanced sources using XLR connectors If you have installed the DAC option 01 D2 D3 and DA will appear after B1 The Mute button mutes the output signal to the headphone outputs as well as both the fixed and variable line output connectors refer to the section entitled Rear Panel Connections for further details As well the volume level setting will no longer appear in the display widow Pressing the Mute button a second time will reinstate the volume back to its previous level When the output signal is muted the red LED to
15. on a second time will reinstate the output volume level back to its current setting NOTE The BAL buttons don t affect the operation of the 430HA 13 4 30 HA Neo Series Remote operation with multiple MOON components Figure 4 Remote Operation with SimLink In figure 4 we have a 180 M ND Music Streamer connected to a Neo 430HA Headphone Amplifier via their respective SimLink ports using a 1 8 mini jack cable When you launch the MiND App on your Apple smart device full list on the MiND page of our website and select this system s ZONE the 180 M ND will turn on as will 430HA The 430HA will automatically switch to the MiND assigned input as described previously in the SimLink section To shut down the system press Off for this ZONE in the MiND app Figure 5 Remote Operation with SimLink and 12V Trigger In figure 5 vve have a Neo 260D CD Transport connected to a 430HA Headphone Amplifier via their respective SimLink ports using a 1 8 mini jack cable and the 430HA is connected to a 330A Amplifier via their respective 12V triggers also using a 1 8 mini jack cable When you turn on the 260D via remote control or its Standby button both the 430HA and 330A will turn on automatically The same rule applies when you put the 260D into Standby mode 14 Owner s M anual Specifications Configuration Fully balanced differential Headph
16. on protocol and can be used with other Simaudio MOON components The CRM 2 remote uses two AA batteries included To install them simply slide the back plate off in the direction of the arrow insert the batteries in the correct direction and then replace the back plate To engage the CRM 2 remote for use with the Neo 430HA Preamplifier you must first press the button labeled AMP The POVVER button located on the upper left vvill svvitch the Headphone Amplifier to either Standby or On mode The DISPLAY button turns the front panel display on and off For units equipped with the optional DAC you can alternate between the volume level and the digital input s sampling rate The 2 buttons labeled 4 INPUT allow you to sequentially scroll either backwards or forwards through all available inputs For example to switch from the A1 to the B1 input press INPUT two 2 times To switch from the B1 to the A1 input press INPUT two 2 times Pressing and holding down either of these buttons results in only a single change to the selected input The 2 buttons labeled v VOL A allow you to control the volume level Pressing v VOL results in a decrease in the volume level Pressing VOL A results in an increase in the volume level You may either press and hold these buttons down or press them briefly to make volume adjustments The MUTE button turns off the output volume Pressing the Mute butt
17. one Impedance 20 60022 Power Supply Transformers 2x 25VA Power Supply Capacitance 35 000uF Type of Amplification Transconductance Balanced inputs XLR 1 pair Single ended inputs RCA 2 pairs Mini jack input 1 1 8 Input Impedance 22 000 Output Device Type Bipolar Balanced Headphone Outputs Single Ended Headphone Output Single Ended Preamp Outputs RCA 4 Pin XLR 1 and 3 Pin XLR 2 1 4 Stereo TRS 1 2 pairs fixed and variable Output Power 6000 667mW Output Power 300 1 33W Output Power 50 aw Audible Frequency Response Full range Frequency Response 20Hz 20kHz 0 1dB 5Hz 100kHz 0 3 0dB Output Impedance 1 25 Signal to noise Ratio 20Hz 20kHz 120d3B full output Crosstalk 1kHz w o crossfeed 110dB Gain Selectable 14dB or 20dB Total Harmonic Distorition 20Hz 20kHz 0 00596 Intermodulation Distortion 0 00596 Remote Control Full Function CRM 2 Power Consumption Q idle 15 Watts Power Consumption Standby 0 5 Watts AC Power Requirements 120V 60Hz ou 240V 50Hz Shipping Weight 17 Ib 7 5 Kg Dimensions W x H x D inches cm 16 9x3 5x 13 8 42 9 x 8 9 x 35 1 120V version uses a 0 5A fast blow 5 x 20mm size N Fuse Replacement 230V version uses a 0 5A fast blow 5 x 20mm size 15 4 30 HA Neo Series Specifications cont d Optional Digital to Analog Converter Digital Input Types DSD Data Rates DSD Sample Rates PCM Bit depth range PCM Sam
18. ore important features Fully balanced pure analog amplifier includes a discrete transconductance circuit topology Selectable gain setting 14d or 20dB Defeatable analog Crossfeed circuit for better spacialization and listening comfort Balanced Outputs hidden behind sliding front panel window 2x 3 pin XLR 1x 4 pin XLR as well as a 1 4 TRS jack and both fixed amp variable line level single ended RCA stereo pairs An oversized power supply using 2 toroidal transformers in conjunction with 8 stages of DC voltage regulation 4 stages of our M LoVo MOON Low Voltage DC regulation circuit a highly sophisticated circuit that is virtually free of noise yielding an exceptionally fast precise and stable DC voltage This circuit found in the Evolution series 810LP Phono Preamplifier and 740P Preamplifier results in a power supply with a virtually unmeasureable noise floor M eVOL2 volume control circuit using MDAC s operating in a current steering R 2R configuration which alter the audio signal s amplitude yielding no sonic degradation of the signal regardless of the selected volume setting This circuit offers 530 steps and channel matching of 0 1dB Optional Digital to Analog Converter DAC with four 4 digital inputs S PDIF x 2 TosLink x 1 amp USB x 1 allowing for use with virtually any digital source Supports DSD64 DSD128 and DSD256 USB input only Supports PCM 16 44 4kHz to 24 192kHz all inputs and up to PCM
19. 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 The Neo 430HA includes one 1 balanced line level input and three 3 balanced headphone outputs on XLR connectors The B1 input uses a fully balanced differential circuit intended for use with source components that output a fully balanced differential signal The Neo 430HA balanced inputs and outputs takes full advantage of the benefits of balanced circuitry 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 both the preamplifier and amplifier then 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 2 Volts the other will be carrying a signal of 2 Volts When these two inverted signals on a balanced line are output from the Neo 430HA 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 inte
20. pling Freguency Rates Freguency Response audible Freguency Response full range THD 1kHz OdBFS A weighted IMD Dynamic Range Signal to noise Ratio Channel Separation Intrinsic Jitter Balanced Pin Assignment Pin 1 Pin 2 Pin 3 S PDIF RCA x2 USBx1 TosLinkx 1 2 8224MHz Double 5 6448MHz and Quadruple 11 2896 via USB only DSD 64 DSD 128 amp DSD256 via USB only 16 32 bits 32 bit via USB only 44 1 384kHz 352 8 amp 384kHz via USB only 20Hz 20kHz 0 0 2dB 2Hz 72kHz 0 3dB 0 001 0 004 120dB 116dB full output 116dB lt 25 picoseconds RMS Ground Positive Negative NOTE If you require the RS 232 codes for your Neo 430HA please visit the Contact Us page and complete the nformation request form on our vvebsite at vvvvvv simaudio com 16 Owner s M anual o O _ aa M O O WN 17 18 4 30 HA Neo Series N
21. rconnect will be equal on both conductors and therefore cancel out SimLink The SimLink provides communication features between various MOON components For example if you were to connect the N o 260D to the 430HA via the SimLink pressing the play button on the Neo 260D vvill cause the 430HA to automatically svvitch to the input labeled A2 You can change this default setting as follows Select the input that you want as the new default then press and hold the lt INPUT left button for 3 seconds until the front panel display briefly shows CD Another feature of SimLink involves the Standby function By pressing down and holding the Standby button for approximately 3 seconds on the either the Neo 260D or 430HA both units will go into Standby mode The same logic applies when switching from Standby to active mode 11 4 30 HA Neo Series If you are using the MiND Music Streamer and your 430HA includes the DAC option you must make a SimLink connection betvveen the MiND s SimLink out and the 430HA s SimLink in When you press the gt play button on the MiND App the 430HA will automatically switch to the input labeled D2 You can change this default setting for the MiND as follovvs Select the input D1 or D3 that you want as the new default for MiND then press and hold the INPUT gt right button for 3 seconds
22. rotate the dial either clockwise to raise the volume or counter clockwise to lower the volume you are actually engaging a precision optical encoder which selects very high quality metal film resistors that the audio signal passes through The result is a proprietary volume circuit called M eVOL2 that doesn t degrade the audio signal regardless of the setting unlike all potentiometer based circuits Since this circuitry operates in a fully balanced differential mode no noise is introduced to the audio signal The Neo 430HA Headphone Amplifier provides a range of five hundred and thirty 530 unique volume settings This is achieved as follows Within the 0 0dB to 30 0dB range you can increase and decrease the volume in 1 0dB steps From the 30 0dB to 80 0dB range you can increase and decrease the volume by either 0 1dB or 1 0dB steps By rotating the volume control slowly the level will change by 0 1dB increments A quicker rotation will change the volume in 1 0dB increments Note It is normal to hear a faint clicking sound between each step when adjusting the volume This is the result of the volume circuit being optimized for sound quality There are three 3 different headphone outputs located on the front panel of the Neo 430HA The first is the Phones jack located directly below the MP in jack This is used for connecting a pair of single ended stereo headphones to the 430HA The input connector uses a standard single ended 1
23. t Rear Panel Connections Made in Canada by Simaudio Ltd DIGITAL INPUT Fabriqu au Canada par Simaudio Lt e A1 A2 L 1 ANOS NEUE auru Ce D1 In 12V TRIG RS 232 RISQUE DE CHOC LECTRIGUE NE PAS OUVRIR Figure 2 Neo 430HA Rear panel The rear panel will look similar to Figure 2 above There are two 2 pairs of single ended analog inputs on RCA connectors labeled A1 and A2 followed by one 1 pair of balanced analog inputs on XLR connectors labeled B1 The RCA input and output connectors on the rear panel have been color coded white for the left channel and red for the right channel 10 Owner s M anual The Neo 430HA headphone amplifier has two 2 pairs of single ended outputs on RCA connectors labeled FIX and VAR located next to the B1 balanced input The FIX output is intended as an input to a recording device such as a cassette tape deck or CD Recorder Player Keep in mind that the output level is fixed and cannot be adjusted by the 430HA s volume control The VAR output is designated for output to a power amplifier with single ended RCA inputs Don t hesitate to use high quality interconnect cables Poor quality interconnect cables can degrade the overall sonic performance of your system For Neo 430HA s equipp
24. tate of the art high end performance in an elegant package vvhile retaining all the sonic hallmarks on vvhich Simaudio has made its reputation VVe have spared no effort to ensure that it is among the finest headphone amplifiers available We have been building high performance audio equipment for over 30 years and the knovv hovv gained through our cumulative experience is an important reason why MOON Headphone Amplifiers are so musically satisfying The performance of your 430HA vvill 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 headphone amplifier Before setting up your new N o 430HA we encourage you to please read this manual thoroughly to properly acquaint yourself with its features We hope you enjoy listening to the Neo 430HA Headhone 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 430HA Headphone Amplifier incorporates many significant design features to achieve its world class level of performance This is an abbreviated list of the m
25. ut such as a network player music server or CD transport The D4 input is for use with a computer eguipped with a USB connector and music player software you cannot connect a USB flash drive or external hard drive to the D4 input When you select one of the digital inputs the display window will indicate which of the four digital inputs is selected At the same time the right side of the display window will initially show four dashes as follows which indicates that the Neo 430HA is in the process of locking onto the external digital input signal this may take several seconds Once the 430HA successfully locks onto the digital signal the four dashes will be replaced by the sampling rate of this digital signal When the DAC cannot lock onto signal remains in the display window The optional DAC is capable of processing the following data sampling freguency rates The corresponding values as they appear in the display window are listed directly below each rate PCM 32 0kHz 44 1kHz 48 0kHz 88 2kHz 96kHz 176 4kHz 192kHz 352 8 and 384kHz Displays as 32 0 44 1 48 0 88 2 96 0 176 0 192 0 352 8 and 384 0 DSD 5064 2 82MHz DSD128 5 64MHz and DSD256 11 28 2 Displays as DSd DSd 2 and DSd 4 Notes i DSD format signals can ONLY be played through the USB D4 input ii PCM format signals vvith sample rates of 352 8kHz and 384kHz can ONLY be played through the USB DA inpu
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