Google translate info below
http://teac.jp/product/ha-p90sd
i like the minimal design
Corresponding to DSD 5.6MHz native playback convey the raw emotion of the music.
Portable headphone amplifier / player equipped with a high-resolution corresponding high-quality circuit
DSD 5.6MHz and portable headphone amplifier / players that support high-resolution sound source of PCM 192kHz / 24bit.
"HA-P90SD" has a function as a portable headphone amplifier that can be used by connecting a variety of devices, combines the two functions of the music playback can be audio player from microSD card slot equipped on the main body, the new concept Portable Audio is the device. In response to the high-resolution sound source of maximum DSD 5.6MHz and PCM 192kHz / 24bit, by the high-quality audio circuitry, and reproduce the very best dense resolution and the overwhelming sense of realism master tape quality with a high-resolution sound source.
[Portable headphone amplifier function]
Equipped with a power amplifier circuit of pouring it discrete configure the expertise gained in the development of stationary headphone amplifier, a high-quality digital circuits corresponding to DSD. Course from Mac, Windows, also from iOS devices and Android devices, it is possible to play without having to down-convert the maximum DSD 5.6MHz, high-resolution sound source of PCM 192kHz / 24bit. Provides application "TEAC HR Audio Player" that can play high-resolution sound source in Mac / Windows / iOS / Android of each platform at no charge. The DSD native playback is required expert knowledge of personal computers and digital audio, I can do to anyone easily.
[Built-player function]
microSD card from WAV, MP3, AAC, FLAC, DSF, DFF (DSDIFF) corresponding to the music file playback format. Corresponding sampling frequency, headphone amplifier functions as well as corresponding to the DSD 5.6MHz native playback and PCM 192kHz / 24bit. It is equipped with a high-performance processor of large capacity battery and low power consumption, DSD file also of 6-hour continuous playback. Without having to worry about a dead battery on the go, you can enjoy the high-resolution sound source. In addition, the read automatically tag information of files recorded on the microSD card, equipped song, artist, album, addition to the automatic sorting of displaying sorted for each genre, a multi-way switch that can be operated with one hand. For example, can be quick song selection a song you want to listen at high speed and nimble response of the song list display, stuck in the ease of use.
The D / A converter, and a stationary type D / A converter, is also used in DSD corresponding master recorder for business to adopt the proven BurrBrown PCM1795 in sound quality. Discrete in the power amplifier section of the configuration, low distortion has adopted an operational amplifier BurrBrown OPA1602 SoundPLUS® for features of audio. In addition, the strengthening of the power supply voltage, 170mW + 170mW (32Ω load) high headphone output to achieve. 8 corresponds to the wide range of impedance of headphones or earphones of ~ 600Ω, also tells the distortion without accurate signal of DSD 5.6MHz sound source with 128 times the information of the CD.
"HA-P90SD" is, the splendor of the early high-resolution sound source the DSD, has been developed in order to enjoy the easy to more people, is the DSD corresponding portable headphone amplifier / player.
■ DSD 5.6MHz native playback from the microSD card
| In order to enjoy the world of high-resolution audio, including the DSD 5.6MHz native playback more easily, with a microSDXC support of microSD card slot. micorSD the high-resolution sound source of recorded DSD 5.6MHz and PCM 192kHz / 24bit to the card I can play in this one. |
■ Low power consumption processor Analog Device made Blackfin® BF606 adopted
| By low power consumption has adopted a high-performance processor Blackfin® Processor by Analog Devices and built-in OS features, I realized a long time playback of about 6 hours even during playback of high-resolution sound source to perform a huge information processing. (During playback from the microSD card)
You can Enlightenment it to your heart's content the high-resolution sound source. |
■ Adopt the high-quality BurrBrown PCM1795 to the DAC unit
| TEAC UD-501 and has gained a high reputation as a reference model of a single D / A converter, I have adopted a certain BurrBrown PCM1795 of adoption track record in DSD5.6MHz corresponding master recorder TASCAM DA-3000. |
■ 2 groups the crystal oscillator of 44.1kHz system and 48kHz system to the master clock equipped
| Important master clock in the processing of digital audio, equipped with two groups of high-precision crystal oscillator for audio. 44.1kHz system and 48kHz system dedicated clock, respectively (22.5792MHz, 24.576MHz) By using, allows perfect synchronization to match the sampling frequency lines of the file to be reproduced, providing accurate D / A converter .
In addition, corresponding to the asynchronous mode, without depending on the clock of the PC side during the USB digital connection, enabling clear reproduction with reduced jitter noise by utilizing a high precision master clock inside the body. |
■ headphone amplifier section of the discrete configuration by the push-pull circuit and an operational amplifier
Adopt a headphone amplifier section of the class AB operation of the discrete structure of the push-pull circuit and an operational amplifier. Circuit that know-how is the plant is equipped plenty that was cultivated in the development of headphone amplifier TEAC HA-501 is, 10Hz ~ frequency response and 105dB or more of the S / N ratio of 80kHz, further achieve a total harmonic distortion rate of 0.004%. In the clear circuit design that suppresses the generation of noise, until the fineness of the original sound as it is of the texture with a high-resolution sound source, I will tell the truth.
■ Adopt the high-precision audio operational amplifier BurrBrown OPA1602 low distortion
| Discrete to the headphone amplifier section of the configuration, newly adopted BurrBrown OPA1602 SoundPLUS® that has been developed for audio. I decided to allow a clear playback with reduced distortion. |
■ 170mW + 170mW high output of margin (32Ω load)
By the high voltage of the power supply unit, to achieve a high output of 170mW + 170mW (32Ω load). I will increase the reproducibility of the low-pass by the low impedance of the power supply unit.
■ Adopt the high-quality audio for chip film capacitor
| By employing a large chip film capacitor has been developed audio-only, as much as possible to eliminate the unwanted noise and vibration with the capacitor itself. You can achieve the delicate space representation with the DSD 5.6MHz sound source. |
■ circuit design to reduce the interference of noise
Circuit board, the layout dividing the analog and digital sections to avoid the generation of unwanted noise due to interference between circuits. Reduces infinitely the distortion due to noise.
■ Supports a wide range of impedance of headphones / earphones from 8Ω to 600Ω
And steps up the output of the attenuator 4, and by switching the HIGH / LOW 2 two output gains, can be a total of eight stages of the output level setting. Optimal output signal can be obtained in various impedance and efficiency of headphones / earphones.
■ In addition to the coaxial digital / optical digital / analog line input, also corresponds to the coaxial digital output
Analog line input, of course, can be input digital signal by using a coaxial / optical digital input from other players, including a portable machine to PCM 192KHz / 24bit. Due to the high D / A conversion and amplification circuit of accuracy, you can enjoy a fine and clear sound with headphones.
In addition, this pin can be set as a coaxial digital output terminal of up to PCM 192kHz / 24bit. It is possible to output a high-resolution sound source that has USB input as D / D converter to the other of the D / A converter.
In addition, will be compatible in the output of the DSD 2.8MHz signal by DoP system. (DoP output corresponding plan by firmware update)
■ Windows and DSD native renewable from Macintosh
Also from Windows and Macintosh as USB DAC corresponding to DSD 5.6MHz native playback. By ASIO2.0 system by installation of a dedicated driver in Windows, it was realized the DSD native playback by DoP system on the Macintosh.
■ DSD 5.6MHz native playback support from iOS devices and Android devices
iPhone and iPad, in the iPod touch, can be DSD 5.6MHz native playback by connecting using a 30pin cable or Lighning® cable of iOS device accessories. In addition, the Android device, is now supported in DSD 5.6MHz native playback by connecting using the OTG cable. (Android 4.1 or later, that the USB audio driver is enabled. However, there is no guarantee the operation in all of the Android device.)
■ WAV, MP3, AAC, FLAC, DSF, DFF (DSDIFF) file support
Corresponding to major music file format in Hi-Res delivery. without worrying about the downloaded file format of which was to save the microSD card, it is possible to play as it is.
(FLAC 176.4k / 192kHz files will be supported by firmware update.)
■ automatic sorting function, a variety of play modes
reads the tag information of the music file recorded to a microSD card, each song title and a music list, can be displayed in sorted per album, each artist, for each genre. In addition, reads the play list that were created on a PC for high-resolution playback app "TEAC HR Audio Player", it is also possible to create a favorite list with only the operation of the HA-P90SD body.
It also corresponds to the repeat playback and shuffle playback, gapless playback of on / off is also possible user settings.
■ reliable and operation by abundant physical button
On the front side, PLAY / PAUSE, FF, REW, the four buttons on the HOME button, and place the multi-way switch of seesaw type that can be operated only with the thumb on the side. From the music files stored on a microSD card with only one hand of the operation, you will be able to quickly select the song you want to play.
■ Japanese display can also be low-power-consumption of organic EL
Display which adopted the organic EL of low-power-consumption which is indispensable as a portable machine, with brightness adjustment function that can change the brightness in 10 steps. In addition, the time until the display is dimmer and is user-set time to turn off the display in order to avoid unnecessary battery consumption. In addition, you can Japanese display of tag information such as song title and artist name.
■ full aluminum body to achieve the reduction and robustness of external noise
At the same time to reduce interference to the circuit of the external noise by full aluminum body, thinness required for a portable machine (21.5mm, excluding the protrusions) and both strength. In addition, the protrusion of both ends to protect the volume knob and terminals such at the time of fall of the unexpected. Rubber foot that is arranged on the rear and front body absorbs the vibration even when placed on a desk, and suppresses the noise caused by vibration.
■ up to 7 hours of continuous playback capable Built-in Li-ion rechargeable battery
Built-in Li-ion rechargeable battery of large capacity that can be USB charging, can be a long time of high-resolution listening even when you go out. About 6 hours in the case of reproduction from the built-in player, making possible continuous playback of about 7 hours at the time of digital input from the iOS device. (Measurement conditions: 1mW + 1mW output, when power mode Low)
■ The TEAC HR Audio Player that enables the DSD native playback from a variety of devices
High-resolution sound source playback possible free app "TEAC HR Audio Player" for the iOS and for Android, further prepared for and for Macintosh Windows. Smart phone or tablet, personal computer, etc., you can Enlightenment that the profound world of DSD 5.6MHz native reproduced without wishing to be bound by the platform of the device.
[Portable headphone amplifier function]
- Analog line / optical digital / coaxial digital input shared pins
- Digital input corresponding sampling frequency / bit length
PCM 44.1k / 48k / 88.2k / 96k / 176.4k / 192kHz, 16bit / 24bit
DSD 2.8MHz / 5.6MHz (USB A terminal, Micro USB B terminal only)
- Windows / Macintosh / iOS / by USB connection from the Android device to DSD 5.6MHz native playback support ※
- from iOS device Lightning® cable, direct digital input possible with 30pin cable
- (Apple Camera Connection Kit unnecessary, since iOS7)
- It is free of charge provided the Windows / Macintosh / iOS / Android device for high-resolution playback app "TEAC HR Audio Player"
- Asynchronous (asynchronous) mode corresponding
- Continuous driving time of 7 hours (when iOS digital connection)
[Built-player function]
- DSD from the microSD card 5.6MHz / 2.8MHz native renewable
- High-resolution sound source of PCM 192kHz / 24bit also be played from the microSD card
- FLAC is for up to 96kHz / 24bit (FLAC 176.4kHz, 192kHz corresponding scheduled firmware update)
- Supported formats: WAV, MP3, AAC, WMA, FLAC, DSF, DFF (DSDIFF)
- Maximum capacity 128GB (microSDXC card)
- Continuous driving time of 6 hours (DSD 5.6MHz during playback)
- Automatic sorting function from the music file tags (song title, album, artist, playlist, favorite)
- Repeat Play (1 songs, specified range)
- Shuffle playback (on / off)
- Play range specification (song title, album, artist, genre, playlist, favorite)
- Equalizer (preset four)
- Gapless playback (on / off)
[Common Features]
- Headphone amplifier section of the discrete configuration by the push-pull circuit and an operational amplifier
- 170mW + 170mW high output of (32Ω load) (corresponding impedance 8 ~ 600Ω)
- Analog Devices made Blackfin® processor BF606
- D / A converter BurrBrown PCM1795
- 44.1kHz system to the master clock, equipped with a high accuracy crystal oscillator of 48kHz dedicated system each
- Operational amplifier BurrBrown OPA1602 SoundPLUS® adopted for audio
- Layout separates the digital and analog sections
- HIGH / LOW gain 2 stage and, maximum output attenuator 4 stages. Can be output level set of a total of 8 stages
- can be output data and USB digital input signal of the microSD card as a coaxial digital
- Correspondence from the coaxial digital output terminal to DoP output of DSD 2.8MHz signal (corresponding plan by firmware update)
- Thin 21.5mm thickness of the casing
- To reduce the influence of external noise, robust full-aluminum body structure
- Display brightness adjustment
- Dimmer function
- Auto power off function
- In use as a USB DAC by connecting to a PC can be charged also with Micro USB B terminal
- RoHS Compliance
※ In the case of Android USB-OTG cable use, Android OS4.1 or later, that the USB audio driver is enabled
Its rather strange that there is not much discussions about P90SD
