OPPO Digital HA1 HEADPHONE AMPLIFIER User Manual

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Document ID	2234180
Application ID	+7Pb4HiZUMxpFUt7KHLfMA==
Document Description	Users Manual
Short Term Confidential	No
Permanent Confidential	No
Supercede	No
Document Type	User Manual
Display Format	Adobe Acrobat PDF - pdf
Filesize	202.87kB (2535826 bits)
Date Submitted	2014-04-04 00:00:00
Date Available	2014-04-04 00:00:00
Creation Date	2014-03-26 20:12:54
Producing Software	Acrobat Distiller 10.1.5 (Windows)
Document Lastmod	2014-03-26 20:13:09
Document Title	Microsoft Word - HA-1 User Manual 3-24-2014 US.docx
Document Creator	PScript5.dll Version 5.2.2
Document Author:	jason

HEADPHONE AMPLIFIER HA-1
USER MANUAL
USB
Made for
Table of Contents
Important Information ........................................................................................................................................................ 1
Precautions................................................................................................................................................................... 2
FCC Statement (For U.S. Customers).......................................................................................................................... 2
Canada Statement (For Canadian Customers) ............................................................................................................ 2
Legal Notice.................................................................................................................................................................. 3
Compatible iPod/iPhone/iPad Models .......................................................................................................................... 3
Introduction ........................................................................................................................................................................ 4
Accessories .................................................................................................................................................................. 4
Installation ......................................................................................................................................................................... 5
Front Panel Controls..................................................................................................................................................... 5
Back Panel Connectors ................................................................................................................................................ 5
Remote Control ............................................................................................................................................................ 6
Remote Control Buttons .......................................................................................................................................... 6
Battery Installation ................................................................................................................................................... 6
Using the Remote Control ....................................................................................................................................... 7
Headphone Output Connection .................................................................................................................................... 8
Using the HA-1 as a Pre-Amplifier or DAC ................................................................................................................... 9
RCA Stereo Audio Outputs ...................................................................................................................................... 9
XLR Balanced Audio Outputs .................................................................................................................................. 9
Triggers ................................................................................................................................................................... 9
Input Signal Connections............................................................................................................................................ 10
RCA Stereo Audio Inputs ...................................................................................................................................... 10
XLR Balanced Audio Inputs................................................................................................................................... 10
Coaxial Digital Audio Input .................................................................................................................................... 11
Optical Digital Audio Input ..................................................................................................................................... 11
AES / EBU Digital Audio Input ............................................................................................................................... 11
USB (Type B) Audio Input ..................................................................................................................................... 12
Mobile USB Audio Input ........................................................................................................................................ 12
Bluetooth Audio Connection .................................................................................................................................. 13
Bluetooth Setup ..................................................................................................................................................... 13
Using the OPPO HA-1 ..................................................................................................................................................... 14
Basic Operations ........................................................................................................................................................ 14
Power On / Off ....................................................................................................................................................... 14
The Front Panel Display ........................................................................................................................................ 14
Source Selection .................................................................................................................................................... 15
Volume Control....................................................................................................................................................... 15
Mute ....................................................................................................................................................................... 16
Playback Controls .................................................................................................................................................. 16
Advanced Operations .................................................................................................................................................. 17
Home Screen Selection.......................................................................................................................................... 17
Screen Dimmer Setting .......................................................................................................................................... 18
Mute Operation....................................................................................................................................................... 18
Headphone Gain Selection .................................................................................................................................... 19
Home Theater Bypass Mode.................................................................................................................................. 20
Reset Factory Default Settings............................................................................................................................... 22
Reference ......................................................................................................................................................................... 23
Usage Notes................................................................................................................................................................ 23
Troubleshooting........................................................................................................................................................... 23
User Manual Updates.................................................................................................................................................. 23
Specifications .............................................................................................................................................................. 24
Limited Warranty ......................................................................................................................................................... 26
ii
Important Information
1.
CAUTION
RISK OF ELECTRIC SHOCK.
DO NOT OPEN.
CAUTION: TO REDUCE THE RISK OF ELECTRIC
SHOCK, DO NOT REMOVE COVER (OR BACK).
NO USER-SERVICEABLE PARTS INSIDE.
REFER SERVICING TO QUALIFIED SERVICE
PERSONNEL.
Read these instructions.
2.
Keep these instructions.
3.
Heed all warnings.
4.
Follow all instructions.
5.
Do not use this device near water.
6.
Clean only with a dry cloth.
7.
Do not block any ventilation openings. Install in
accordance with the manufacturer’s instructions.
8.
Do not install near any heat sources such as
radiators,
The lightning flash with arrowhead symbol,
within an equilateral triangle, is intended to
heat
registers,
stoves,
or
other
apparatuses (including amplifiers) that produce heat.
9.
Do not defeat the safety purpose of the polarized or
alert the user to the presence of uninsulated
grounding-type plug. A polarized plug has two blades
“dangerous voltage” within the product's enclosure that
with one wider than the other. A grounding-type plug
may be of sufficient magnitude to constitute a risk of
has two blades and a third grounding prong. The
electric shock to persons.
wide blade or the third prong is provided for your
safety. If the provided plug does not fit into your
The exclamation point within an equilateral
triangle is intended to alert the user to the
outlet, consult an electrician for replacement of the
obsolete outlet.
and
10. Protect the power cord from being walked on or
maintenance (servicing) instruction in the literature
pinched, particularly at plug, receptacle, and the
presence
of
important
operation
point where it exits from the apparatus.
accompanying the appliance.
11. Only use attachments and accessories specified by
WARNING:
ELECTRIC
TO REDUCE THE RISK OF FIRE OR
SHOCK,
DO
NOT
EXPOSE
THIS
APPLIANCE TO RAIN OR MOISTURE. DANGEROUS
the manufacturer.
12. Unplug this apparatus during lightning storms or
when unused for long periods of time.
HIGH VOLTAGES ARE PRESENT INSIDE THE
13. Refer all servicing to qualified service personnel.
ENCLOSURE. DO NOT OPEN THE CABINET. REFER
Servicing is required when the apparatus has been
SERVICING TO QUALIFIED PERSONNEL ONLY. THE
damaged in any way, such as when the power
APPARATUS
TO
supply cord or plug is damaged, liquid has been
DRIPPING OR SPLASHING AND THAT NO OBJECTS
spilled or objects have fallen into the apparatus, the
FILLED WITH LIQUIDS, SUCH AS VASES SHALL BE
apparatus has been exposed to rain or moisture,
does not operate normally, or has been dropped.
SHALL
NOT
PLACED ON THE APPARATUS.
BE
EXPOSED
WARNING: DO NOT INGEST BATTERY, CHEMICAL BURN HAZARD.
The remote control supplied with this product contains a coin/button cell battery. If the coin/ button cell battery is
swallowed, it can cause severe internal burns in just 2 hours and can lead to death. Keep new and used batteries away
from children. If the battery compartment does not close securely, stop using the product and keep it away from
children. If you think batteries might have been swallowed or placed inside any part of the body, seek immediate
medical attention.
CAUTION:
Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type.
Batteries shall not be exposed to excessive heat such as sunshine, fire or the like.
WARNING: The mains plug is used as disconnect device. The disconnect device shall remain readily operable.
Le dispositif rencontre l'exemption des limites courantes d'évaluation dans la section 2.5 de RSS 102 et la conformité à
l'exposition de RSS-102 rf, utilisateurs peut obtenir l'information canadienne sur l'exposition et la conformité de rf.
Legal Notice
“Made for iPod”, “Made for iPhone”, and “Made for iPad” mean that an electronic accessory has been designed to
®
®
®
connect specifically to iPod , iPhone , or iPad , respectively, and has been certified by the developer to meet Apple
performance standards. Apple is not responsible for the operation of this device or its compliance with safety and
regulatory standards. Please note that the use of this accessory with iPod, iPhone, or iPad may affect wireless
performance.
®
iPad, iPhone, iPod and iPod touch are trademarks of Apple Inc., registered in the U.S. and other countries.
Compatible iPod/iPhone/iPad Models

USB works with iPhone 5S, iPhone 5C, iPhone 5, iPhone 4S, iPad (4th generation), iPad mini, iPod touch (5th
generation).

Bluetooth technology works with iPhone 5S, iPhone 5C, iPhone 5, iPhone 4S, iPad (4th generation), iPad mini,
and iPod touch (5th generation).
Introduction
The HA-1 Headphone Amplifier draws upon the proven circuit design of the BDP-95 and BDP-105 Blu-ray Disc players.
We designed the HA-1 headphone amplifier using the same universal approach we take with our Blu-ray players, so
apart from being a high performance headphone amplifier, the HA-1 functions as an asynchronous USB DAC, stereo
pre-amplifier, digital audio dock for mobile devices, and a Bluetooth audio transport.
The HA-1’s analog audio section is a fully balanced, differential design with a Class A power amplifier circuit that is
capable of driving the most difficult of headphones. Throughout the design process, our emphasis was in keeping the
audio signal in the analog domain once it leaves the DAC. The HA-1 is anchored by a robust toroidal power
transformer with linear power regulators and filters with custom made capacitors to ensure the headphone amplifier has
a clean power source with plenty or energy reserves. Users have the choice between using a 4-pin balanced XLR or
traditional quarter-inch (6.35 mm) headphone connection.
The power amplification section uses hand-picked and paired discrete components to ensure symmetry. The volume
control knob is motor-driven and can be adjusted either by hand or via remote control while keeping the audio in the
analog domain. Line level RCA and balanced XLR analog inputs and outputs are available, and built-in monitoring and
protection circuitry guards against short-circuiting, overloading, and DC offset.
The HA-1 is ideally suited for high-resolution digital audio. It includes coaxial, optical, balanced AES/EBU digital inputs
as well as an asynchronous USB DAC controlled by a 16-core XMOS chipset that supports both PCM and DSD
32
formats. The same ESS 9018 Sabre Reference DAC and output driving state used in our audiophile Blu-ray players
ensures high resolution performance with extremely low noise and distortion. You can easily connect the HA-1 to a
computer via USB and enjoy jitter-free music using your preferred playback software. For added convenience,
Bluetooth connectivity with the high quality aptX codec is also available.
Aesthetically, the HA-1 features a classic design with contemporary elements. It is housed in a thick aluminum chassis,
and its familiar volume and source selection knobs are complemented by a high-quality TFT LCD display providing
convenient access to the HA-1’s intuitive user interface. Depending on your preferences or the mood of the music
being played, you can choose between a classic VU meter, a modern spectrum display, or a simple informational
summary to be displayed on the screen. A supplied IR remote and smartphone application via Bluetooth provide
additional control and convenience.
The OPPO HA-1 Headphone Amplifier allows you to fully realize the potential of your high-end headphones. The HA-1
is a perfect match for OPPO Planar Magnetic headphones, and its power and versatility allow it to meet the demands
of the most discerning music lover.
Accessories
Ensure that the following accessories have been included with your OPPO HA-1 Headphone Amplifier:
User Manual
Power Cable , about 4.5 feet
Remote Control with Battery
Bluetooth Antenna
3.5 mm to 6.35 mm Headphone Adapter
Installation
Front Panel Controls
Volume
Source
USB
HEADPHONE AMPLIFIER HA-1
1.
Power Button
4.
Source Selector Knob
7.
2.
Power Status Indicator
5.
Balanced Headphone Jack
8.
Volume Knob
3.
6.35 mm Headphone Jack
6.
Front Panel Display Window
9.
Mobile USB Audio Input
IR Sensor Window
Back Panel Connectors
10
11
Optical
USB DAC
12
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Coaxial
PRE OUT
AC IN
HA-1 HEADPHONE AMPLIFIER
TRIGGER
In
Stereo Audio Out
XLR Balanced Audio Out
Out
110-120V~ / 220-240V~
1.
XLR Balanced Audio Input
5.
Bluetooth Antenna
9.
2.
Pre-Amplifier Output (XLR)
6.
Trigger Input
10. Optical Digital Audio Input
3.
RCA Stereo Audio Input
7.
AES / EBU Digital Audio Input
11. USB (Type B) Audio Input
4.
Pre-Amplifier Output (RCA)
8.
Trigger Output
12. AC Inlet
Coaxial Digital Audio Input
Remote Control
Remote Control Buttons
POWER: Toggle between STANDBY and ON
MUTE: Mute audio output
VOLUME +/-: Increase and decrease volume
PREV: Skip to previous track
PLAY / PAUSE: Start or Pause playback
NEXT: Skip to next track
COAX: Switch to Coaxial Digital Audio Input
OPTI: Switch to Optical Digital Audio Input
AES/EBU: Switch to AES/EBU Digital Audio Input
USB: Switch to USB (Type B) Audio Input
BT: Switch to Bluetooth Audio Input
MOBILE: Switch to Mobile USB Audio Input
RCA: Switch to RCA Stereo Audio Input
XLR: Switch to XLR Balanced Audio Input
DIMMER: Dim the front panel display
Battery Installation
The remote control comes with the battery pre-installed. When the original battery runs out, replace it with a new
CR2032 button battery. To replace the battery, insert a straightened paper clip into the battery tray release hole at the
end of the remote control and push. The battery tray will pop slightly open. Pull out the battery tray with the remote
control buttons facing down. Pay attention to the battery orientation while taking out the old battery. Place a new battery
into the tray following the correct orientation by matching the polarity marks on the battery and the tray. The battery’s
positive side (the flat end that has a + sign on it) should face down and sink into the tray, while its negative side (the
rounded end) should face up. Slide the battery tray back into the remote until it clicks. Test the remote to make sure it
works well after the battery replacement. Dispose of the used battery immediately and responsibly.
LITHIUM COIN CELL SAFETY NOTICE:
Keep lithium coin batteries out of the reach of small children; coin cell batteries can be accidentally ingested. If ingested,
these batteries may leak harmful contents causing chemical burns, perforation of soft tissue, and in severe cases may
cause death. Lithium coin batteries must be removed immediately if swallowed. Seek medical attention immediately. If
you or your doctor suspects that a battery has been ingested-for assistance in the US call the NATIONAL BATTERY
INGESTION HOTLINE any time at (202) 625-3333; in Canada call (416) 813-5900.
Using the Remote Control
Volume
Source
USB
Balanced
HEADPHONE AMPLIFIER HA-1
iPod/iPhone/iPad
Within about 26 ft
When using the remote control, the IR Emitter on the front of the remote should be pointed towards the IR Sensor
Window on the HA-1 within a ±30° angle and a range of about 26 ft (8 meters).
Headphone Output Connection
You can connect your headphones to the OPPO HA-1 using either a standard 6.35 mm connector or a 4-pin XLR
balanced connector. If your headphones terminate with a 3.5 mm connector, you can use the supplied 3.5 mm to 6.35
mm Headphone Adapter to connect the headphones to the HA-1.
For optimal sound quality, you can adjust the Headphone Gain between the Normal and High settings in order to
properly drive headphones that are very sensitive or require additional power. Please refer to the Headphone Gain
Selection section in the Advanced Operations chapter of this manual for details.
6.35 mm
or
4-pin XLR
Notes:

The 6.35 mm Headphone Jack and Balanced Headphone Jack cannot be used simultaneously. When a 6.35
mm connector is plugged in, the Balanced Headphone Jack is muted.

When plugging and unplugging the 6.35 mm connector, please completely insert or pull out the connector in a
quick motion. Due to the physical shape of the 6.35 mm connector, keeping the connector plugged in half way
causes a short circuit between the left and right output channels, and may trigger the short-circuit protection
feature of the HA-1.
Using the HA-1 as a Pre-Amplifier or DAC
The OPPO HA-1 can be used as a pre-amplifier or a Digital-to-Analog Converter (DAC) by connecting its Pre-amplifier
Output (PRE OUT) to a power amplifier or a pair of active speakers. The HA-1 offers both RCA and XLR Balanced
jacks. The output level is controlled by the Volume Knob or remote. The output is not muted when a pair of
headphones is plugged in. It is muted when the remote MUTE button is pressed.
RCA Stereo Audio Outputs
You can connect the HA-1 to a power amplifier or a pair of active speakers with RCA analog inputs using RCA audio
interconnect cables.
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Optical
Coaxial
USB DAC
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
PRE OUT
AC IN
TRIGGER
In
Stereo Audio Out
XLR Balanced Audio Out
HA-1 HEADPHONE AMPLIFIER
Out
110-120V~ / 220-240V~
AUDIO IN
Audio Interconnect Cables
XLR Balanced Audio Outputs
You can connect the HA-1 to a power amplifier or a pair of active speakers with XLR balanced inputs using XLR cables.
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Coaxial
Optical
USB DAC
AUDIO/VIDEO MULTI-CHANNEL RECEIVER
PRE OUT
AC IN
TRIGGER
Stereo Audio Out
XLR Balanced Audio Out
In
Out
HA-1 HEADPHONE AMPLIFIER
110-120V~ / 220-240V~
AUDIO IN
XLR Cables
Triggers
When used as pre-amplifier, the Trigger Output of the HA-1 can be connected to the trigger input of a stereo power
amplifier using a 3.5 mm mono-to-mono mini-jack cable. When the HA-1 is turned on, the Trigger Output will supply a
+12 V voltage signal so the connected power amplifier can be turned on automatically. The Trigger Output can supply
up to 100 mA current.
The Trigger Input of the HA-1 can be connected to the trigger output of a source device or surround sound processor.
This allows the HA-1 to be turned on and off together with the connected device.
The use of Trigger Output or Trigger Input is not required. You can always manually turn on or off the HA-1 using the
POWER button on the front panel or remote control.
Input Signal Connections
The OPPO HA-1 supports multiple analog and digital input connections. Depending on your intended usage, please
connect one or more input sources to the HA-1.
RCA Stereo Audio Inputs
You can connect an audio device with RCA analog outputs into the HA-1 using a pair of RCA cables. The analog signal
will be amplified and sent to the headphone and line level outputs. This input source is labeled RCA on both the
Source Selection screen and the remote control.
Audio Interconnect Cables
AUDIO Out
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Optical
Coaxial
USB DAC
PRE OUT
AC IN
HA-1 HEADPHONE AMPLIFIER
TRIGGER
In
Stereo Audio Out
XLR Balanced Audio Out
Out
110-120V~ / 220-240V~
XLR Balanced Audio Inputs
You can connect an audio device with XLR balanced outputs into the HA-1 using XLR balanced cables. The analog
signal will be amplified and sent to the headphone and line level outputs. This input source is labeled XLR on both the
Source Selection screen and the remote control.
XLR Cables
AUDIO OUT
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Coaxial
PRE OUT
10
USB DAC
AC IN
TRIGGER
Stereo Audio Out
XLR Balanced Audio Out
Optical
HA-1 HEADPHONE AMPLIFIER
In
Out
110-120V~ / 220-240V~
Coaxial Digital Audio Input
You can connect a device with a coaxial digital output into the Coaxial Digital Audio Input of the HA-1 using a coaxial
digital (75 ohm) cable. The digital signal will be converted by the internal DAC and sent to the headphone and line level
outputs. This input source is labeled COAXIAL on the Source Selection screen and COAX on the remote control.
Coaxial Digital Cable
Coaxial Out
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Optical
Coaxial
USB DAC
PRE OUT
AC IN
HA-1 HEADPHONE AMPLIFIER
TRIGGER
Out
In
Stereo Audio Out
XLR Balanced Audio Out
110-120V~ / 220-240V~
Optical Digital Audio Input
You can connect a device with an optical digital output into the Optical Digital Audio Input of the HA-1 using an
optical cable (also known as a TOSLINK cable). The digital signal will be converted by the internal DAC and sent to the
headphone and line level outputs. This input source is labeled OPTICAL on the Source Selection screen and OPTI on
the remote control.
Optical (TOSLINK) Cable
Optical Out
DIGITAL INPUT
ANALOG INPUT
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Optical
Coaxial
USB DAC
PRE OUT
AC IN
HA-1 HEADPHONE AMPLIFIER
TRIGGER
In
Stereo Audio Out
XLR Balanced Audio Out
Out
110-120V~ / 220-240V~
AES / EBU Digital Audio Input
You can connect a device with an AES / EBU digital output into the AES / EBU Digital Audio Input of the HA-1 using
an XLR-3 (110 ohm) digital cable. The digital signal will be converted by the internal DAC and sent to the headphone
and line level outputs. This input source is labeled AES / EBU on both the Source Selection screen and the remote
control.
XLR-3 Digital Cable
DIGITAL INPUT
ANALOG INPUT
Digital Out
Stereo Audio In
XLR Balanced Audio In
AES/EBU
Coaxial
PRE OUT
TRIGGER
Stereo Audio Out
XLR Balanced Audio Out
USB DAC
AC IN
Optical
In
Out
HA-1 HEADPHONE AMPLIFIER
110-120V~ / 220-240V~
11

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