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4-443-693-
(1)
Features
iPod/iPhone/iPad Digital connection
Direct digital audio data transfer from iPod/iPhone/iPad
Portable Headphone Amplifier
USB Audio 96 kHz/24 bit compatible
PC jitter-free USB Audio with Asynchronous Transfer Mode over USB.
Operating Instructions
USB input accepts up to 96 kHz/24 bit high resolution audio signal
Selected parts for high quality sound
Uses high quality parts normally associated with high-end audio
components (35 μm thick copper for printed circuits, film capacitors,
etc.)
Isolated analog and digital circuits to minimize unnecessary internal
electrical noise
Custom ICs designed for high sound quality
High quality DAC: Maximum sampling rate 96 kHz / 24 bit
PHA-1
quantization
Operational Amplifier: ultra-low distortion, low noise, high slew rate
for analog signal
Headphone Amplifier IC: Current-feedback architecture, high slew
For the customers in the USA
rate, OCL (output capacitor-less) with Split power supply
Aluminum case
Owner's Record
Aluminum-shielded case to prevent external interference noise
The serial number is located at the bottom of the unit.
Zinc die-cast bumper
Record these numbers in the spaces provided below. Refer to them
Protects the volume knob and plugs/connectors from external impact
whenever you call upon your Sony dealer regarding this product.
GAIN select switch
Model No. PHA-1
Allows headphones of a wide range of impedances to be used
Serial No.
Battery life: Approx. 10 hours for analog mode; Approx. 5 hours for
iPod/iPhone/iPad digital mode.
Information
Charging time: Approx. 4.5 hours. No charging during power on
If you have any questions about this product, you may call:
(operation)
Sony Customer Information Service Center 1-800-222-7669 or
Compatible with many music players
http://www.sony.com/
Silicone belts (supplied) for convenient fastening of connected music
Declaration of Conformity
player to the unit
Trade Name: SONY
Model No.:
PHA-1
Responsible
Sony Electronics Inc.
Parts and Controls
Party:
Address:
16530 Via Esprillo, San Diego, CA
92127 USA
Telephone
858-942-2230
No.:
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
You are cautioned that any changes or modifications not expressly
approved in this manual could void your authority to operate this
equipment.
Note
This equipment has been tested and found to comply with the limits for
a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates, uses
and can radiate radio frequency energy and, if not installed and used in
Input select switch
accordance with the instructions, may cause harmful interference to
iPod/iPhone/iPad connecting port
radio communications. However, there is no guarantee that interference
will not occur in a particular installation. If this equipment does cause
GAIN select switch
harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is
encouraged to try to correct the interference by one or more of the
CHG (charge) indicator
following measures:
– Reorient or relocate the receiving antenna.
Power/Volume knob
– Increase the separation between the equipment and receiver.
– Connect the equipment into an outlet on a circuit different from that
to which the receiver is connected.
– Consult the dealer or an experienced radio/TV technician for help.
POWER indicator
For the customers in Canada
This Class B digital apparatus complies with Canadian ICES-003.
AUDIO IN jack
For the customers in the USA and Canada
PHONES (headphones) jack
RECYCLING LITHIUM-ION BATTERIES
Charging the Unit
Lithium-Ion batteries are recyclable.
You can help preserve our environment by returning your
used rechargeable batteries to the collection and
The unit contains a rechargeable lithium-ion battery, which should be
recycling location nearest you.
charged before using it for the first time. The CHG (charge) indicator
For more information regarding recycling of rechargeable batteries,
lights up red while you are charging the unit. Charging is completed in
call toll free 1-800-822-8837, or visit
about 4.5 hours, then the indicator turns off automatically.
http://www.rbrc.org/
1
Caution: Do not handle damaged or leaking Lithium-Ion batteries.
2
Notes
Use only the micro-USB cable (supplied). Do not charge the unit using any other
USB cable.
When the unit is connected to the computer for the first time, it may take time to
recognize the unit.
If the unit is not used for a long time, the CHG (charge) indicator may take a while to
light up red when you connect it to your computer. In this case, do not disconnect
the micro-USB cable from the unit, and wait until the CHG (charge) indicator lights
up red.
While the unit is on, the battery is not charged.
If you turn on the unit while the unit is charging, the charge is interrupted.
Charge the battery in an ambient temperature of between 5 °C to 35 °C. If you try to
charge the battery outside this range, the CHG (charge) indicator may flash in red
and the battery will not charge.
If the computer enters standby, sleep, or hibernation mode while the unit is
connected to the computer, the charging will not be completed properly. Check the
setting of the computer before connecting to the unit. The CHG (charge) indicator
(red) will turn off automatically when the computer enters standby, sleep, or
hibernation mode. In this case, charge the unit again.
Connect the unit directly to a computer, using the micro-USB cable (supplied).
Charging may not be completed properly by an indirect connection, such as via a
USB hub.
When the battery is full, the CHG (charge) indicator may not light up red.
When charging has finished, the CHG (charge) indicator may flash in red. This is not
malfunction.
When storing the unit for a long time, avoid a place subject to high temperatures.
When storing the unit for more than 1 year, charge the battery every six months to
prevent over discharge.
To charge the battery from an AC outlet
Use the USB AC adaptor AC-UD20 (optional). For details, refer to the
Operating Instructions supplied with the USB AC adaptor.
Connecting to the Audio Device
iPod
For details of compatible models, see "Compatible iPod/iPhone/iPad
models."
In the Operating Instructions, iPod, iPhone, and iPad are collectively
described as "iPod, " except in special cases.
iPod
(USB) port
1
Turn on the iPod.
For details, see "To set the GAIN according to the headphones" of
2
Connect the iPod to the unit, using the 30pin-USB cable
"Listening to Music."
(supplied).
3
Set the input select switch to the center position.
Lights up red while you are charging the unit.
Compatible iPod/iPhone/iPad models
Turns on/off the unit, and adjusts the volume.
You can use the unit with only the following models. Update your iPod,
iPhone, or iPad to the latest software before use.
Rotate the power/volume knob clockwise to turn on the power;
rotate it further to increase the volume.
iPod touch (4th generation)
Rotate the power/volume knob counterclockwise to decrease the
iPod touch (3rd generation)
volume; rotate it further until it clicks to turn off the power.
iPod touch (2nd generation)
iPod nano (6th generation)
Lights up green when the power is turned on. When the battery level
iPod nano (5th generation)
is low, the indicator lights up orange.
iPod nano (4th generation)
iPod nano (3rd generation)
iPod classic 120GB / 160GB
(2009)
iPod classic 160GB (2007)
Notes
If you are listening to music too loudly, the battery may drain even if the unit is
connected to a computer, or an AC outlet using the recommended USB AC adaptor
(optional).
The unit only supports the audio playback function of an iPod.
You cannot transfer music to your iPod from the unit.
Do not connect an iPod that is not supported. The unit is not guaranteed to work
Turn off the unit.
with an iPod that is not supported.
Sony is not liable for damage/erasure to recorded data caused by using an iPod
Connect the unit to your booted computer using the
connected to the unit.
micro-USB cable (supplied).
Do not disconnect the iPod while operating. To connect/disconnect the iPod to/
from the unit, stop playback, then turn off the unit to prevent damage to data.
This unit
An iPod will not be charged when connected to the unit.
If the sound is distorted, set the equalizer to "OFF" or "Flat" on your iPod.
Turn on your iPod touch/iPhone before connecting it to the unit.
Depending on the iPod, the sound may become loud suddenly when you adjust the
volume.
If the battery level of the iPod is too low, charge the iPod.
Music volume may vary depending on the ring tone of the iPhone and its
application. Refer to the operating instructions of your iPhone.
If the iPhone is set to silent mode, the ring tone may not be heard from the
headphones.
Refer to the Apple website for details of the operating environment of your iPod.
Computer
If the battery level is too low, the unit may not turn on even when connected to a
computer, or an AC outlet using the recommended USB AC adaptor (optional). In
this case, charge the unit. For details, see "Charging the unit."
Micro-USB cable (supplied)
"WALKMAN"
By using the audio cable for "WALKMAN" (supplied), the unit can
amplify the signal directly without the built-in amplifier of the
"WALKMAN."
1
Connect the "WALKMAN" to the AUDIO IN jack, using the
audio cable for "WALKMAN" (supplied).
"WALKMAN"
This unit
Audio cable for "WALKMAN" (supplied)
2
Set the input select switch to AUDIO IN.
3
Turn on the connected "WALKMAN."
Compatible "WALKMAN" models
AC-UD20
The unit supports "WALKMAN" models with an WM-PORT (22-pin).
The WM-PORT is a dedicated multi-terminal connector, used to connect
a "WALKMAN" to its accessories.
Notes
The unit only supports the audio playback function of the "WALKMAN."
Turn on your "WALKMAN" before operating the unit.
If you connect a "WALKMAN" without an WM-PORT, see "Other devices" for details.
Micro-USB cable (supplied)
Sony is not liable for damage/erasure to recorded data caused by using a
"WALKMAN" connected to the unit.
Some operations may not be possible with the unit, even if you use the supported
"WALKMAN."
The "WALKMAN" will not be charged when connected to the unit.
Depending on the "WALKMAN," Dynamic Normalizer, Equalizer, VPT (Virtualphones
Technology), DSEE (Digital Sound Enhancement Engine) or speaker output
optimizer, etc., may be set to on. If the sound is distorted, set these settings to off.
Sound is not output from the headphone jack of the "WALKMAN" when it is
connected to the unit.
You cannot adjust the volume of the "WALKMAN" when a "WALKMAN" is connected
to the unit.
This unit
Computer
You can play music files on your computer with the unit.
For details, see "Specifications" overleaf.
3
2
1
Computer
30pin-USB cable (supplied)
1
Start your computer.
2
Connect your computer to the
using the micro-USB cable (supplied).
3
Set the input select switch to
iPod classic 80GB
iPhone 4S
Tip
The unit supports USB 2.0 (USB 2.0 Full Speed) as an audio device.
iPhone 4
iPhone 3GS
Notes
If you are listening to music too loudly, the battery may drain even if the unit is
iPhone 3G
connected to a computer, or an AC outlet using the recommended USB AC adaptor
iPad (3rd generation)
(optional).
iPad 2
If you are listening to music loudly with the unit connected to a computer, the
iPad
POWER indicator may flash in red or the sound may be interrupted. This is not a
malfunction. In this case, turn down the volume.
When the unit is connected to the computer for the first time, it may take time to
recognize the unit.
The unit is not guaranteed to operate via a USB hub or USB cable extension. Use the
supplied USB cable only.
Do not disconnect a USB device while operating. To disconnect a USB device from
the unit, stop playback, then turn off the unit to prevent damage to data.
Digitally broadcast sound may not be output from a computer's USB port. In this
case, connect the AUDIO IN jack of the unit to the analog audio output of the
computer.
If the battery level is too low, the unit may not turn on even when connected to a
computer, or an AC outlet using the recommended USB AC adaptor (optional). In
this case, charge the unit. For details, see "Charging the unit."
This unit
This unit
3
2
1
Micro-USB cable (supplied)
(USB) port of the unit,
(USB).
Continued overleaf
©2012 Sony Corporation
Printed in China
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