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OPPO HA-1

ราคา :	50,000บ.
สถานะ :	สินค้าหมดชั่วคราว

Headphone Amplifier Discrete Class A Balanced Headphone Amplifier

รายละเอียดสินค้า ข้อมูลจำเพาะ

OPPO HA-1

Headphone 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.

Class A Headphone Amp and Pre-Amp
Fully balanced analog inputs and outputs, purely analog volume control, and an adjustable headphone gain switch.

ESS 9018 Sabre³² Reference DAC
High resolution performance with extremely low noise and distortion.

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

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

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

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

High Performance Audio

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
Designs and specifications are subject to change without notice.

General
Dimensions (W x H x D)	10.0 x 4.8 x 12.2 inches, 254 x 80 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
Maximum Output Power (Per Channel)	Into 32 Ohm	3000 mW	3500 mW
Rated Output Power (Per Channel)	Into 600 Ohm	800 mW	200 mW
Rated Output Power (Per Channel)	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)
THD+N at 1k Hz (A Weight, 20 Hz – 20 kHz)	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.

User Manual: OPPO HA-1 Headphone Amplifier User Manual (PDF Format) Release date: April 22, 2014

Remote Control Apps: Select from the following device types: iPhone/iPod Touch Android Android APK Amazon App Store

Software Driver for USB Audio DAC: For Windows computers (XP, Vista, Windows 7 and Windows 8): software driver download link. Please unzip the downloaded package and double-click on the "setup.exe" file, then follow the on-screen instructions to finish this installation. Select the HA-1 as your sound output device by setting "Control Panel -> Hardware and Sound -> Sound -> Playback" to "OPPO HA-1 USB Audio 2.0 DAC". For Mac computers, no software driver is required. Please set "System Preferences -> Sound -> Output" to "OPPO HA-1 USB Audio 2.0 DAC". Currently there is no software driver available for Linux computers.

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High Performance Audio

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