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OPPO HA-1 HEADPHONE AMPLIFIER

OPPO HA-1 HEADPHONE AMPLIFIER
Rs104,999.00

Product code:OPPO HA-1 HEADPHONE AMPLIFIER

Oppo HA-1 Headphone Amplifier, DAC & Pre-Amplifier



Discrete Class A Balanced Headphone Amplifier

Asynchronous USB DAC Up to 384 kHz and DSD256

Stereo Pre-Amplifier with Home Theater Bypass

Compatible with iPod/iPhone/iPad and Bluetooth

Uncompromising Audio built with the latest technology

The analog audio section of the HA-1 is a fully balanced design with an emphasis on keeping the audio signal in the analog domain once it leaves the DAC. The HA-1 is anchored by a hefty toroidal power transformer, and linear power regulators and filters with custom made capacitors ensure that the headphone amplifier has a clean power source with plenty of reserve energy. The fully balanced Class A power amplification section uses hand-picked and paired discrete components to ensure symmetry, and a motor-driven precision volume control knob allows for both manual and remote control volume adjustment while keeping the audio in a pure analog audio path.

HIGH PERFORMANCE VERSATILITY

Class A Headphone Amp and Pre-Amp

Fully balanced analog inputs and outputs, purely analog volume control, and an adjustable headphone gain switch.

Toroidal Power Supply

A custom OPPO transformer provides clean power with plenty of energy reserves.

Mobile Device Support

Bluetooth with Apt-X codec for high quality wireless audio and a USB input for mobile phones and tablets.

ESS 9018 Sabre32 Reference DAC

High resolution performance with extremely low noise and distortion.

High Definition Audio Support

Numerous digital inputs including coaxial, optical, AES/EBU, and an asynchronous USB DAC input that supports PCM, DSD64 and DSD128.

Display Driven Interface

Physical volume and source selection knobs frame a 4.3-inch display for easy operation.

The HA-1 is especially suitable for high-resolution digital audio playback. Its digital inputs include coaxial, optical, balanced AES/EBU, and an asynchronous USB DAC. It is easy to connect the HA-1 to digital audio players or to a computer running the listener’s favorite playback software. The USB DAC supports PCM audio up to 384 kHz 32-bit resolution and DSD audio up to 256x the CD sample rate. The same ESS 9018 Sabre32 Reference DAC and output driving stage used in OPPO audiophile Blu-ray players ensure extremely low noise and low distortion performance. The HA-1 is compatible with Apple’s iPod, iPhone and iPad for use as an external DAC, enabling the listener to directly tap into digital music played from these devices. For additional convenience, the Bluetooth audio transport with high quality aptX CODEC sets music free from your mobile phones with a performance boost.

OPPO designs the HA-1 headphone amplifier with the same versatile approach as the Blu-ray players. The HA-1 is a high performance headphone amplifier, and it doubles as an asynchronous USB DAC, a stereo pre-amplifier, a digital audio dock for mobile devices, and a Bluetooth audio transport. Users have a choice of using the 4-pin balanced XLR or the traditional quarter-inch headphone jack. Line level analog inputs and outputs are provided with both RCA and balanced XLR sockets.

The HA-1 sports a classic design with contemporary elements. It is a desktop component housed in an aluminum chassis, and the familiar volume and source selection knobs are complemented by a 4.3-inch color screen for easy operation. While music is playing, the screen can show a classic VU meter, a modern spectrum display, or detailed technical information about the audio signal. A supplied IR remote and a smartphone app provide complete control and convenience.

REMOTE CONTROL APP

The OPPO Remote Control app provides a convenient way to control your OPPO HA-1 Headphone Amplifier from your mobile device. You will be able to switch input sources, adjust volume, mute/unmute audio, set the screen brightness level, and even control playback of digital audio sources.

AVAILABLE IN BLACK OR SILVER

Choose between two classic colors.

Specifications

SPECIFICATIONS
Designs and specifications are subject to change without notice.


General

Dimensions (W x H x D)

10.0 x 3.6 x 13.1 inches, 254 x 91 x 333 mm

Mass

13.0 lbs, 5.9 kg

Power Supply

AC 110-120 V~ / 220-240 V~, 50/60 Hz auto-sensing

Power Consumption

70 W (operation), 0.5 W (standby)

Trigger Input

3.5 V – 15 V, 10mA minimum

Trigger Output

12 V, 100 mA maximum

Operating Temperature

41 °F - 95 °F, 5 °C - 35 °C

Operating Humidity

15% - 75% No condensation

Recommended Headphone Impedance

32 ohm – 600 ohm

Balanced Headphone Jack Output (XLR-4) Pin order

1: L+, 2: L-, 3: R+, 4: R-, Shell: GND

6.35 mm Headphone Jack Output Pin order

Tip: L, Ring: R, Sleeve: GND

XLR Balanced Audio Input

Input Impedance

15k ohm

Maximum Input Level

18 Vrms, +27.3 dBu (0 dBu = 0.775 Vrms)

RCA Stereo Audio Input

Input Impedance

10k ohm

Maximum Input Level

9 Vrms, +21.3 dBu (0 dBu = 0.775 Vrms)

Coaxial, Optical, AES/EBU Digital Inputs

Input Format

Stereo PCM

Sampling Frequencies

44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,
176.4 kHz, 192 kHz

Word Length

16-bit, 24-bit

USB DAC Audio Input (USB B Type)

Input Format

Stereo PCM, Stereo DSD (DoP v1.1 or native)

PCM Sampling Frequencies

44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,
176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz

PCM Word Length

16-bit, 24-bit, 32-bit

DSD Sampling Frequencies

2.8224 MHz (DSD64), 5.6448 MHz (DSD128),
11.2896 MHz (DSD256, native mode only)

Profile

USB 2.0, USB Audio 2.0

Mobile USB Audio Input (USB A Type)

Input Format

Stereo PCM

PCM Sampling Frequencies

44.1 kHz, 48 kHz

Profile

USB 2.0, USB Audio 2.0

VBUS Power Output

+5 V, 2.1 A

Bluetooth Audio Input

Standard

Bluetooth 2.1+EDR

Profile

iAP, SPP, AVRCP, A2DP

Audio Transmission Format

SBC, aptX

DAC Performance Specifications


Specification

XLR Output

RCA Output

Output Level

4.6 ± 0.3 Vrms

2.3 ± 0.3  Vrms

Frequency Response
(Tested with -10 dBFS / 384 kHz)

10 Hz – 170 kHz (+0/-3 dB)
20 Hz – 20 kHz (+0/-0.07 dB)

10 Hz – 170 kHz (+0/-3 dB)
20 Hz – 20 kHz (+0/-0.07 dB)

THD+N at 1 kHz (A Weight, 20 Hz – 20 kHz)

< 0.00056% (< -105 dB)

< 0.00056% (< -105 dB)

Channel Separation

> 105 dB

> 105 dB

Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)

> 115 dB

> 113 dB

Dynamic Range
(1 kHz -60 dBFS, A Weight, 20 Hz – 20 kHz)

> 115 dB

> 113 dB

(Test condition: USB DAC input in Home Theater Bypass mode and the volume knob at Max position.)
Pre-amplifier Performance Specifications


Specification

XLR Input – XLR Output

RCA Input – RCA Output

Rated Output Level

4.6 Vrms

2.3 Vrms

Frequency Response

10 Hz – 200 kHz (+0/-2 dB)
20 Hz – 20 kHz (+0/-0.04 dB)

10 Hz – 200 kHz (+0/-2 dB)
20 Hz – 20 kHz (+0/-0.04 dB)

THD+N at 1 kHz (A Weight, 20 Hz – 20 kHz)

< 0.00056% (< -105 dB)

< 0.00071% (< -103 dB)

Channel Separation

> 120 dB

> 110 dB

Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)

> 110 dB

> 105 dB

Dynamic Range
(1 kHz -60 dB,  A Weight, 20 Hz – 20 kHz)

> 120 dB

> 115 dB

Maximum Gain (100 mVrms input)

6 dB

6 dB

(Test condition: Volume knob at Max position and an input signal to drive the output to the rated output level.)
Headphone Amplifier Performance Specifications


Specification

Condition

XLR Input - Balanced Output

RCA Input - 6.35 mm Output

Maximum Output Power (Per Channel)

Into 600 Ohm

2400 mW

600 mW

Into 32 Ohm

3000 mW

3500 mW

Rated Output Power
(Per Channel)

Into 600 Ohm

800 mW

200 mW

Into 32 Ohm

2000 mW

500 mW

Frequency Response

10 Hz – 200 kHz (+0/-1 dB)
20 Hz – 20 kHz (+0/-0.04 dB)

10 Hz – 200 kHz (+0/-1 dB)
20 Hz – 20 kHz (+0/-0.04 dB)

THD+N at 1k Hz
(A Weight, 20 Hz – 20 kHz)

Rated Power

< 0.0018% (< -95 dB)

< 0.0056% (< -85 dB)

50 mW

< 0.001% (< -100 dB)

< 0.0022% (< -93dB)

Channel Separation

> 120 dB

> 90 dB

Signal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)

> 111 dB

> 111 dB

Dynamic Range
(1 kHz -60 dB, A Weight, 20 Hz – 20 kHz)

> 120 dB

> 115 dB

Output Impedance

0.5 Ohm

0.7 Ohm

(Test condition: Volume knob at Max position and an input signal to drive the output with 600 Ohm loads to the rated output power, unless otherwise noted.)
"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).
All trademarks are the property of their respective owners.

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