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Features



iPod/iPhone/iPad Digital connection

Direct digital audio data transfer from iPod/iPhone/iPad



USB Audio 96 kHz/24 bit compatible

PC jitter-free USB Audio with Asynchronous Transfer Mode over USB.

USB input accepts up to 96 kHz/24 bit high resolution audio signal

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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 analogue 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

quantization

Operational Amplifier: low distortion, low noise, high slew rate for

analogue signal

Headphone Amplifier IC: Current-feedback architecture, high slew

rate, OCL (output capacitor-less) with Split power supply

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Aluminum case

Aluminum-shielded case to prevent external interference noise



Zinc die-cast bumper

Protects the volume knob and plugs/connectors from external impact

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GAIN select switch

Allows headphones of a wide range of impedances to be used



Battery life: Approx. 10 hours for analogue mode; Approx. 5 hours for

iPod/iPhone/iPad digital mode.

Charging time: Approx. 4.5 hours. No charging during power on

(operation)



Compatible with many music players

Silicone belts (supplied) for convenient fastening of connected music

player to the unit

Parts and Controls



















Input select switch

iPod/iPhone/iPad connecting port





(USB) port

GAIN select switch

For details, see

“To set the GAIN according to the headphones” of

“Listening to Music.”

CHG (charge) indicator

Lights up red while you are charging the unit.

Power/Volume knob

Turns on/off the unit, and adjusts the volume.

Rotate the power/volume knob clockwise to turn on the power;

rotate it further to increase the volume.

Rotate the power/volume knob counterclockwise to decrease the

volume; rotate it further until it clicks to turn off the power.

POWER indicator

Lights up green when the power is turned on. When the battery level

is low, the indicator lights up orange.

AUDIO IN jack

PHONES (headphones) jack

Charging the Unit

The unit contains a rechargeable lithium-ion battery, which should be

charged before using it for the first time. The CHG (charge) indicator

lights up red while you are charging the unit. Charging is completed in

about 4.5 hours, then the indicator turns off automatically.

1 Turn off the unit.

2 Connect the unit to your booted computer using the

micro-USB cable (supplied).

Micro-USB cable (supplied)

This unit

Computer

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

recognise 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.

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.

30pin-USB cable (supplied)

This unit

3 12

iPod

1 Turn on the iPod.

2 Connect the iPod to the unit, using the 30pin-USB cable

(supplied).

3 Set the input select switch to the centre position.

Compatible iPod/iPhone/iPad models

You can use the unit with only the following models. Update your iPod,

iPhone, or iPad to the latest software before use.



iPod touch (4th generation)



iPod touch (3rd generation)



iPod touch (2nd generation)



iPod nano (6th generation)



iPod nano (5th generation)



iPod nano (4th generation)



iPod nano (3rd generation)



iPod classic 120GB / 160GB

(2009)



iPod classic 160GB (2007)



iPod classic 80GB



iPhone 4S



iPhone 4



iPhone 3GS



iPhone 3G



iPad (3rd generation)



iPad 2



iPad

Notes



If you are listening to music too loudly, the battery may drain even if the unit is

connected to a computer.



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

with an iPod that is not supported.



Sony is not liable for damage/erasure to recorded data caused by using an iPod

connected to the unit.



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.



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.



If the battery level is too low, the unit may not turn on even when connected to your

computer. In this case, charge the unit. For details, see

“Charging the Unit.”

“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).

Audio cable for “WALKMAN” (supplied)

This unit

“WALKMAN”

2 Set the input select switch to AUDIO IN.

3 Turn on the connected “WALKMAN.”

Compatible “WALKMAN” models

The unit supports “WALKMAN” models with an WM-PORT (22-pin).

The WM-PORT is a dedicated multi-terminal connector, used to connect

“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.



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 Normaliser, Equalizer, VPT (Virtualphones

Technology), DSEE (Digital Sound Enhancement Engine) or speaker output

optimiser, 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.

Computer

You can play music files on your computer with the unit.

For details, see

“Specifications” overleaf.

3 12

This unit

Micro-USB cable (supplied)

Computer

1 Start your computer.

2 Connect your computer to the



(USB) port of the unit,

using the micro-USB cable (supplied).

3 Set the input select switch to



(USB).

Tip



The unit supports USB 2.0 (USB 2.0 Full Speed) as an audio device.

Notes



If you are listening to music too loudly, the battery may drain even if the unit is

connected to a computer.



If you are listening to music loudly with the unit connected to a computer, the

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

recognise 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 analogue audio output of the

computer.



If the battery level is too low, the unit may not turn on even when connected to your

computer. In this case, charge the battery. For details, see

“Charging the Unit.”

Other devices

You can enjoy listening to audio devices, including smartphones and

portable music players, with the unit. Before connecting, turn down the

volume on the device and turn off the unit.

1 Connect the audio device to the unit, using the audio

cable (stereo mini) (supplied).

Other device

This unit

Audio cable (stereo mini) (supplied)

2 Set the input select switch to AUDIO IN.

3 Turn on the connected audio device.

Notes



If you connect the unit via a device with a built-in radio or tuner, broadcasts may not

be received, or sensitivity may be reduced significantly.



If there is noise in broadcasts, locate the unit farther away from the connected

device and check whether reception improves.



If you are listening to music too loudly, the battery may drain even if the unit is

connected to the computer.



If the battery level is too low, the unit may not turn on even when connected to your

computer. In this case, charge the unit. For details, see

“Charging the Unit.”

PHA-1

Portable Headphone Amplifier

Operating Instructions

4-443-693-11(2)

1 2

Résumé du contenu

Page 1 - Charging the Unit

Features iPod/iPhone/iPad Digital connection Direct digital audio data transfer from iPod/iPhone/iPad USB Audio 96 kHz/24 bit compatible PC jitter-f

Page 2 - Specifications

Listening to Music1 Connect the headphones to the unit.Notes Connect the stereo mini plug to the unit. This unit does not support monaural headpho

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Sony PHA-1 Manuel d'utilisateur

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Résumé du contenu

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