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H

EADPHONE

A

MPLIFIER

HA-1

USER

MANUAL

USB

Made for

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Summary of Contents for HA-1

Page 1: ...HEADPHONE AMPLIFIER HA 1 USER MANUAL USB Made for ...

Page 2: ......

Page 3: ...he Remote Control 7 Remote Control App for Smartphones 7 Headphone Output Connection 8 Balanced Headphone Jack Pin out 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 I...

Page 4: ... 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 ...

Page 5: ...ded plug does not fit into your outlet consult an electrician for replacement of the obsolete outlet 10 Protect the power cord from being walked on or pinched particularly at plug receptacle and the point where it exits from the apparatus 11 Only use attachments and accessories specified by the manufacturer 12 Unplug this apparatus during lightning storms or when unused for long periods of time 13...

Page 6: ...armful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the rec...

Page 7: ... 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...

Page 8: ...y 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 formats The same ESS 9018 Sabre 32 Reference DAC and output driving state used in our audiophile Blu ray players ensures high resolution performance with extremely low noise and distortion You c...

Page 9: ...t RCA 5 Bluetooth Antenna 6 Trigger Input 7 AES EBU Digital Audio Input 8 Trigger Output 9 Coaxial Digital Audio Input 10 Optical Digital Audio Input 11 USB Type B Audio Input 12 AC Inlet 1 2 3 4 5 6 7 8 9 Source Volume HEADPHONE AMPLIFIER HA 1 USB 1 2 3 4 5 12 6 7 8 9 10 11 110 120V 220 240V AES EBU Coaxial Optical USB DAC R L AC IN R L R L R L R R B Ba alla an nc ce ed d A Au ud d S St te er re ...

Page 10: ...U 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 CR2...

Page 11: ... 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 HOTLIN...

Page 12: ...alanced 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 c...

Page 13: ...A 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 110 120V 220 240V AES EBU Coaxial Optical USB DAC R L AC IN R L R L R L R R B Ba alla an nc...

Page 14: ...th the Source Selection screen and the remote control 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 110 120V 220 240V AES EBU Coaxial Optical USB...

Page 15: ...l 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 Coaxial Out Coaxial Digital Cable 110 120V 220 240V AES EBU Coaxial Optical USB DAC R L AC IN R L R L R L R R B Ba alla an nc ce ed d A Au ud d S St te er re eo o A Au ud diio o I In n X XL L iio o I In n Ste...

Page 16: ...he OPPO web site www oppodigital com for driver download and additional help guides Mobile USB Audio Input You can connect a compatible iPod iPhone or iPad into the Mobile USB Audio Input port on the front panel of the HA 1 A 30 pin dock connector to USB cable or a Lightning to USB cable that comes with your Apple product is required for this connection The digital audio signal from your Apple pro...

Page 17: ...luetooth connection status If a device has not yet been paired or a previously paired device is not in range the screen will display Not Connected If this is the case you will need to enable Bluetooth on your mobile device search for the OPPO HA 1 and attempt to pair with it After pairing successfully the HA 1 will display that it is Connected Once you have paired a Bluetooth device the HA 1 will ...

Page 18: ...he Power Button again will turn the unit off at which time the Power Status Indicator will turn off indicating that it is in standby mode Remote The POWER button on the remote control functions in the same way as the Power Button on the front panel of the HA 1 The Front Panel Display When the HA 1 is in its normal operational mode it shows one of the pre selected Status Spectrum or VU Meter screen...

Page 19: ...indicates the approximate gain or attenuation level of the Pre amplifier Output relative to the input signal It is normal for the display value to vary a few dB when the Volume Knob moves in the very low range due to the logarithmic nature of the volume control curve The actual headphone volume depends on the headphones sensitivity the input signal level and the Headphone Gain setting Remote You c...

Page 20: ...eing able to listen to the headphones Please refer to the Mute Operation section in the Advanced Operations chapter of this manual for details Playback Controls When the active input source is the USB DAC Audio Input Mobile USB Audio Input or Bluetooth Audio Input the PLAY PAUSE PREV and NEXT buttons on the remote control are passed on to the computer or mobile device This function allows you to c...

Page 21: ... is highlighted Rotate the Source Selector Knob to move the selection cursor The highlighted selection becomes active if you leave the selection cursor on it or press the Source Selector Knob to confirm your selection The Front Panel Display returns to the Home Screen after a selection is made The following configuration screens are available Home Screen Selection You can choose one of three scree...

Page 22: ...mplifier Output than to turn off both speakers when you want to listen with headphones The Mute Operation setting is designed for this type of usage It controls how the MUTE button on the remote control functions The following selections are available Mute All default Both the Headphone Jack and Pre amplifier Output are muted when the MUTE button is pressed This condition is indicated by a Mute ic...

Page 23: ... headphone amplification circuit of the HA 1 applies the normal gain level This setting is recommended for headphones with high sensitivity or low impedance The rule of thumb for selecting the proper gain level is to find a comfortable listening volume that utilizes the upper range of the Volume Knob It is generally better to have the Volume Knob set to a high volume level when using the Normal ga...

Page 24: ... sources all components are turned on and the volume is controlled by the surround sound processor The HA 1 s input source that is connected to the surround sound processor RCA Stereo Audio Input in this example is configured in Home Theater Bypass mode The HA 1 s Pre Amplifier Output level will be exactly the same as the output level of the surround sound processor s front left and right channel ...

Page 25: ...the Pre Amplifier Output The Headphone Jack output volume is still controlled by the Volume Knob for sources in Home Theater Bypass mode The Home Theater Bypass setting applies to the current input source Unlike the other settings this setting is per input not global If you need to configure Home Theater Bypass mode for multiple input sources please select each input source and then change the set...

Page 26: ...hold down the Source Selector Knob on the front panel while at the same time press the MUTE button on the remote control All custom settings will be erased and the factory default settings will be loaded The Volume Knob will automatically return to the minimum volume position The HA 1 will automatically turn off after resetting to factory default settings Source Volume Balanced HEADPHONE AMPLIFIER...

Page 27: ...y playing audio Rotate the Source Selector Knob or press a source button on the remote to select an active input source 15 Audio cable is not properly connected Check audio cable Reconnect if necessary 9 10 Remote control failure Remote control is out of range Use the remote control within the effective range 7 Low battery Replace the batteries 6 Temporary malfunction The protection mechanism is t...

Page 28: ...s 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...

Page 29: ...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 Power Amplifier Specifications Specification Condition XLR Input Balanced Output RCA Input 6 35 mm Output Maximum Output Power Per C...

Page 30: ...other acts of nature incorrect electrical line voltage fluctuations and surges failure to follow operating or maintenance instructions OPPO Digital Inc does not warrant uninterrupted or error free operation of the product This limited warranty shall not extend to anyone other than the original purchaser of the product It is nontransferable and states your exclusive remedy THE FOREGOING WARRANTY IS...

Page 31: ... 2014 All rights reserved OPPO Digital Inc 2629 Terminal Blvd Suite B Mountain View CA 94043 U S A www oppodigital com service oppodigital com 650 961 1118 51979078 V 1 2 ...

Page 32: ...www oppodigital com ...

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