Oppo HA-1 Headphone Amplifier c/w Pre Amplifier

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Oppo HA-1 Headphone Amplifier c/w Pre Amplifier

600.00 1,299.00

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

Boxed ex demo

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SPECIFICATIONS

Designs and specifications are subject to change without notice.

GeneralDimensions (W x H x D)10.0 x 3.6 x 13.1 inches, 254 x 91 x 333 mmMass13.0 lbs, 5.9 kgPower SupplyAC 110-120 V~ / 220-240 V~, 50/60 Hz auto-sensingPower Consumption70 W (operation), 0.5 W (standby)Trigger Input3.5 V – 15 V, 10mA minimumTrigger Output12 V, 100 mA maximumOperating Temperature41 °F - 95 °F, 5 °C - 35 °COperating Humidity15% - 75% No condensationRecommended Headphone Impedance32 ohm – 600 ohmBalanced Headphone Jack Output (XLR-4) Pin order1: L+, 2: L-, 3: R+, 4: R-, Shell: GND6.35 mm Headphone Jack Output Pin orderTip: L, Ring: R, Sleeve: GNDXLR Balanced Audio InputInput Impedance15k ohmMaximum Input Level18 Vrms, +27.3 dBu (0 dBu = 0.775 Vrms)RCA Stereo Audio InputInput Impedance10k ohmMaximum Input Level9 Vrms, +21.3 dBu (0 dBu = 0.775 Vrms)Coaxial, Optical, AES/EBU Digital InputsInput FormatStereo PCMSampling Frequencies44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,
176.4 kHz, 192 kHzWord Length16-bit, 24-bitUSB DAC Audio Input (USB B Type)Input FormatStereo PCM, Stereo DSD (DoP v1.1 or native)PCM Sampling Frequencies44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz,
176.4 kHz, 192 kHz, 352.8 kHz, 384 kHzPCM Word Length16-bit, 24-bit, 32-bitDSD Sampling Frequencies2.8224 MHz (DSD64), 5.6448 MHz (DSD128),
11.2896 MHz (DSD256, native mode only)ProfileUSB 2.0, USB Audio 2.0Mobile USB Audio Input (USB A Type)Input FormatStereo PCMPCM Sampling Frequencies44.1 kHz, 48 kHzProfileUSB 2.0, USB Audio 2.0VBUS Power Output+5 V, 2.1 ABluetooth Audio InputStandardBluetooth 2.1+EDRProfileiAP, SPP, AVRCP, A2DPAudio Transmission FormatSBC, aptX

DAC Performance Specifications

SpecificationXLR OutputRCA OutputOutput Level4.6 ± 0.3 Vrms2.3 ± 0.3  VrmsFrequency 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 dBSignal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)> 115 dB> 113 dBDynamic 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

SpecificationXLR Input – XLR OutputRCA Input – RCA OutputRated Output Level4.6 Vrms2.3 VrmsFrequency Response10 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 dBSignal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)> 110 dB> 105 dBDynamic Range
(1 kHz -60 dB,  A Weight, 20 Hz – 20 kHz)> 120 dB> 115 dBMaximum Gain (100 mVrms input)6 dB6 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

SpecificationConditionXLR Input - Balanced OutputRCA Input - 6.35 mm OutputMaximum Output Power (Per Channel)Into 600 Ohm2400 mW600 mWInto 32 Ohm3000 mW3500 mWRated Output Power
(Per Channel)Into 600 Ohm800 mW200 mWInto 32 Ohm2000 mW500 mWFrequency Response10 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 dBSignal-to-Noise Ratio
(A Weight, 20 Hz – 20 kHz)> 111 dB> 111 dBDynamic Range
(1 kHz -60 dB, A Weight, 20 Hz – 20 kHz)> 120 dB> 115 dBOutput Impedance0.5 Ohm0.7 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.