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Sony Pha3 Owners Manual

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    							Portable Headphone Amplifier
    PHA-3
    About  the supplied manuals
    The  following three manuals come  with the headphone  amplifier.
    Help Guide (this data)
    Operation manual on the Web, which can be accessed  by a PC or smartphone, provides the detailed  information  on how
    to use the headphone  amplifier and troubleshooting, etc.
    Start Guide (enclosed paper)
    Provides basic information  on how to connect  or use the headphone  amplifier.
    Reference Guide (enclosed paper)
    Provides precautions and specifications.
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    Copyright  2014 Sony  Corporation
    Help Guide
    How  to Use
    36  
    						
    							Portable Headphone Amplifier
    PHA-3
    How  to use  the silicone  belts
    You can fasten  a connected device to the headphone  amplifier using the silicone belts (supplied). 1.  Mount the connected device on the headphone  amplifier.
    2 .  Bind  the headphone  amplifier and the connected device using the silicone belt with its wider part  placed  under the
    bottom of the headphone  amplifier.
    4 silicone belts are  supplied.
    If the connected device  does  not fit on  the rubber rails
    If the audio  device does not mount on the rubber rails of the headphone  amplifier, place the protection sheet  (supplied)
    between the headphone  amplifier and the audio  device to avoid scratching.
    Note
    Help Guide
    How  to Use
    37  
    						
    							Be  careful  not to pinch your  finger  when binding  the headphone  amplifier and the connected device with the silicone
    belt. It may cause injury.
    Sony is  not liable for damage to an audio  device caused  by using the silicone belts.
    The  silicone belts are  not guaranteed to fasten  all  audio  devices.
    Do not over -stretch  the silicone belt. It may cause a malfunction.
    Stop using the silicone belt if it is  cracked.
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    Copyright  2014 Sony  Corporation
    38  
    						
    							Portable Headphone Amplifier
    PHA-3
    What  you  can  do with the headphone  amplifier
    Balanced output support for clean signal ground *
    for balanced output, a balanced-connection headphone  cable and balanced headphones  are  needed.
    Selected parts  for high quality sound  (ES9018/TPA6120)
    USB Audio PCM  384 kHz/32 bit, DSD compatible
    WALKMAN, Xperia, iPhone/iPad/iPod Digital connection
    All content you hear  is  enhanced.
    The  DSEE  HX upscales  the existing sound  file to near  High-Resolution  sound  quality, making  you feel as though you
    are  really there at the recording studio or concert.
    High-quality analog  circuit with dedicated master clock
    High-quality line-out operation amplifier (LME49860)
    Low-resistance high-quality rotary volume  for clear and pure  sound
    * Works as a  normal headphone  amplifier.
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    Copyright  2014 Sony  Corporation
    Help Guide
    How  to Use
    39  
    						
    							Portable Headphone Amplifier
    PHA-3
    About  High-Resolution Audio format files
    High-Resolution  Audio, which is  typically 96 kHz/24 bit or higher, is  made  by digitally sampling  an original  analog  audio
    source. The  number of times at which sampling  is  performed (in one-second  increments)  is  called the sampling
    frequency, which is  expressed in hertz  or “Hz.” Digitizing refers to the audio  process  where  the sampled signal is
    converted (or  quantized) into binary  digits, consisting  of 1’s and 0’s, and expressed as “bits”. The  higher the number of
    bits, the closer the sample  is  to the original  source. CDs  are  standardized  at 44.1  kHz/16 bit, but there is  no single
    standard for High-Resolution  Audio.
    An  alternative way of digitizing an analog  source  is  a method called DSD (Direct  Stream  Digital) which captures sound
    information  as a sequence of single bit values with an extremely high sampling  rate  of either  2.8 MHz or 5.6 MHz. This is
    approximately  64 or 128 times the sampling  rate  of CD  audio  and is  simply known as DSD 2.8 MHz or DSD 5.6 MHz.
    For some  engineers, this is  the closest a digital file sample  can get to an original  analog  source.
    4 -547 -524 -11(4)
    Copyright  2014 Sony  Corporation
    Help Guide
    How  to Use
    40  
    						
    							Portable Headphone Amplifier
    PHA-3
    About  the balanced connection
    Unbalanced connections have commonly been  used for portable audio  devices. This connection method works as L+/R+
    signals go through an amplifier and L-/R- signals go through the ground. Devices with unbalanced output are  normally
    less expensive  and easy to handle  compared  with the balanced output devices, but unbalanced connections cannot
    prevent noise occurrence  since noise can be picked up if there is  a difference in voltage  potential on the ground of the
    chassis of your  device.
    One of the biggest  advantages of balanced connection is  that it can stabilize the voltage  potential by transmitting the
    signals as the opposite phase,  L+/L- and R+/R -, to an amplifier. Not only does this prevent the signal distortion caused
    on the ground, but also eliminates  noise and hum  with opposite polarities  relative  to each other. As a result  of this,
    balanced connections brings  you clear sound  with noiseless signals and improved crosstalk.
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    Copyright  2014 Sony  Corporation
    Help Guide
    How  to Use
    41  
    						
    							Portable Headphone Amplifier
    PHA-3
    Parts  and  controls
    Front  and  left side
    Rear side
    1 .  GAIN  select switch
    2 .  DSEE  HX select switch
    3 .  Hi -Fs (High Sampling Frequency) indicator
    4 .  DSD indicator
    5 .  POWER/CHG (power/charge)  indicator
    6 . 
    (headphones) NORMAL jack
    7 . 
    (headphones) BALANCED L/R jack
    Help Guide
    How  to Use
    42  
    						
    							8.  Power/volume knob
    9.  INPUT select switch
    10 . OUTPUT select switch
    11 . Xperia/WALKMAN/PC (USB AUDIO) connecting port
    12 . iPhone/iPad/iPod connecting port
    13 . OPT IN port
    14 . AUDIO IN/LINE  OUT jack
    15 . DC  IN 5V  port
    Related Topic
    About the  indicators
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    Copyright  2014 Sony  Corporation
    43  
    						
    							Portable Headphone Amplifier
    PHA-3
    About  the indicators
    POWER/CHG (power/charge) indicator
    When the headphone  amplifier is  being  charged, the indicator flashes/lights up in red.
    When the headphone  amplifier is  turned on, the indicator flashes/lights up in green.
    While the headphone  amplifier is  being  charged
    Turns off
    The  headphone  amplifier is  fully charged.
    Lights up (red)
    The  headphone  amplifier is  being  charged.
    Flashes  (red)
    The  headphone  amplifier is  not being  charged properly.
    When  the headphone  amplifier is  not in the battery  charge status
    You can check the battery level by the number of times that the indicator flashes when the headphone  amplifier is  turned
    on.
    Turns off
    The  headphone  amplifier is  not turned on.
    Lights up (green)
    The  headphone  amplifier is  turned on.
    Flashes  three times (green)
    The  battery is  substantially  charged.
    Flashes  twice (green)
    The  battery is  half charged.
    Flashes  once (green)
    The  battery level is  low. It is  necessary to charge the battery.
    Always  flashing (green)
    If you continue to use the headphone  amplifier without charging, it will turn  off in a few minutes.
    Hi-Fs (High  Sampling Frequency) indicator
    Help Guide
    How  to Use
    44  
    						
    							Turns off
    The  headphone  amplifier is  being  input with;
    the linear  PCM  digital signal of sampling  frequencies under 48 kHz
    the analog  signal
    Lights up
    The  headphone  amplifier is  being  input with;
    the linear  PCM  digital signal of sampling  frequencies not under 48 kHz
    the DSD digital signal of the High-Resolution  Audio format
    DSD indicator
    Turns off
    The  headphone  amplifier is  being  input with;
    the linear  PCM  digital signal
    the analog  signal
    Lights up
    The  headphone  amplifier is  being  input with the DSD signal of the High-Resolution  Audio format.
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    Copyright  2014 Sony  Corporation
    45  
    						
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