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RASPTOUCH I-SABRE ES9038Q2M Streamer with Touchscreen 32bit 384kHz DSD128

RaspTouch I-Sabre ES9028 - Streamer Touch with Volume Control
With the RaspTouch, Audiophonics offers a simple and efficient hardware solution combining both network player and DAC. The device offers outstanding audio quality thanks to a high level digital to analog conversion based on a ES9038Q2M DAC.

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RaspTouch I-Sabre ES9038Q2M

Streamer with Touchscreen 32bit 384kHz DSD128

RaspTouch I-Sabre ES9038Q2M Lecteur réseau tactile 32bit 384kHz DSD128

The Concept

With the RaspTouch, Audiophonics offers a simple and efficient hardware solution combining both network player and DAC. The device offers outstanding audio quality thanks to a high level digital to analog conversion based on a ES9038Q2M DAC.

The RaspTouch allows you to enjoy your favorite music while controlling playback from its 7" touch screen, your smartphone or even your computer. The dedicated audio playback circuit works with a Raspberry Pi 3 B+ SBC (Single Board Computer). This circuit is the reference in the field making the RaspTouch a completely Open Source solution.

With its large screen and wide audio connectivity, the RaspTouch combines ergonomics and fine sound reproduction for enhanced musical enjoyment.

The DAC

RaspTouch I-Sabre ES9038Q2M Lecteur réseau tactile 32bit 384kHz DSD128

For this version of the RaspTouch, Audiophonics integrates the excellent ES9038Q2M converter supporting sample rates up to 32bit 384kHz. This integrates a 100MHz precision clock, low noise LDO regulation, an ultra-low noise (9µV) regulator for the ESS chip reference voltage and an Altera processor.

This DAC uses 32bit HyperStream technology offering a wide dynamic range while drastically reducing jitter. Thanks to this design, the ES9038Q2M has a dynamic range of 129dB and a THD+N of -120dB to offer you new musical horizons.

The 32bit Attenuation technology allows a volume adjustment without loss of quality, making it possible to do without a preamplifier. This hardware volume control can be controlled from the Raspberry Pi thanks to the dedicated driver available in our Volumio image or under DietPi.

Thanks to the built-in microprocessor, the DAC is able to automatically detect the source's sample rate format and adapt to it automatically. It thus detects whether the source is 16, 24 or 32bit while remaining bit perfect. This PLCD chip control maintains high stability while preventing decoding problems and the appearance of listening artifacts.

Combined with the Raspberry Pi it is compatible with formats up to 32bit 384jHz in PCM and up to DSD128 in DoP. It includes two NJM 2114 bipolar operational amplifiers powered in 9V for the current/voltage conversion section, which allows a high quality analog output. A last NJM 2214 AOP used in buffer finalizes the analog output stage and ensures an optimal restitution.

Connectivity

The RaspTouch offers a complete set of connectors that will allow you to enjoy your audio system with ease. The Raspberry Pi 3 B+ has 4 USB-A 2.0 ports, a Micro SD slot, an Ethernet RJ45 port and a remote HDMI output. It is possible to connect all kinds of compatible peripherals to the USB ports:

  • Hard disk or USB flash drive
  • WiFi USB dongle
  • External USB DAC
  • Keyboard / Mouse
  • ...

The DAC offers an analog output on stereo RCA. Power is supplied by a 5.5/2.1mm DC jack plug connected to an integrated linear power supply for good stability. The optimal input voltage is 7 to 9VDC.

The ignition button not only turns off the power, but also starts the system to shut down beforehand. It can also be switched off via the Volumio interface.

Despite the Raspberry Pi 3 B+'s native WiFi connectivity, the latter was sacrificed to install the reader in a disturbance-isolated aluminum enclosure. The WiFi connection therefore requires an external software adapter to USB (WiFi Dongle).

The Software

RaspTouch I-Sabre ES9038Q2M Lecteur réseau tactile 32bit 384kHz DSD128

Advertising itself as a free system, the RaspTouch comes without an operating system. This choice depends on your hardware, the ambition of your project, and the expected functionalities.

The unit is ready for use electronically, so all that remains to be done is to choose an operating system and mount it on the supplied Micro SD card. Many software solutions exist, in order to meet all your expectations: piCorePlayer, Volumio, Max2Play, OpenElec...

Depending on the solution you choose, you will be able to access the following features:

  • Unlimited Full Multiroom Support
  • Remote playback of audio files stored on a Network Attached Media Server (NAS)
  • Remote playback from an UpNP source
  • Playback from USB source (hard disk, USB flash drive)
  • DLNA protocol
  • Support for Qobuz, Spotify...
  • AirPlay Support

The unit is delivered with a Micro SD card suitable for the installation of the operating system. This step can be bypassed by getting a pre-installed and ready-to-use Micro SD card with a dedicated software solution.

Technical characteristics

Specifications
Product typeStreamer
Inputs4x USB-A 2.0
1x Ethernet RJ45
1x Micro SD slot
Outputs1x Stereo RCA
1x HDMI
DACI-Sabre ES9038Q2M
Supported sampling ratesPCM up to 32bit 384kHz
DSD DoP up to DSD128
Dynamic range129dB
THD+N-120dB
Screen7" capacitive touchscreen, 800 x 400px
Raspberry Pi 3 B+
ChipsetBroadcom BCM2837B0
CPUARM Cortex A53 64bit 1.4GHz
LANOnly with USB dongle
Bluetooth version4.2
Dual-core Videocore IV Multimedia Coprocessor-
MemoryLPDDR2 1Go
General
Housing materialAluminium
Dimensions200 x 95 x 230mm
Weight1490g
power supplyJack DC 5.5/2.1mm 7.5V 2.9A (included)
ColorBlack
Package1x RaspTouch I-Sabre ES9038Q2M
1x Micro SD card 8GB
1x Alimentation
 
Data sheet
InputRJ45
InputUSB-A
InputMicro SD
InputUSB 2.0
OutputRCA
OutputHDMI
OutputCoaxial SPDIF
DAC ChipES9038Q2M
Max sampling rate768kHz
ColorBlack
Components / ChipES9028 Q2M
StructureAluminium
Channel2 channels (Stereo)
 
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Average votes
5.0 / 5
1 reviews
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 5/5
Date :
Simply wonderful!!!
Purchased one couple of months ago.
As was originally suggested, loaded Rune Audio onto micro SD card, booted the unit, and it came up - with the screen upside down. At first I thought some one messed up and mounted the screen upside down. Turns out it was a software issue, common to many players.
I contacted Audiophonics, and after few email discussions, loaded the latest Volumio player. Everything was great - except I had no sound. After numerous email exchanges, I had Audiophonics email me assembly instructions.
I took the player completely apart, and reassembled it again. In the process I discovered that one of the GPIO pins was bent and had no contact with DAC connector - most probably the reason for sound issues.
Once again I started the unit, this time using PiCore Player and Logitech Music Server. I connected the streamer to the Emotiva USP-1 preamp, mated to Emotiva UPA-200 stereo amp and Magnepan MG 3.7 speakers and HSU Research ULS-15 Subwoofer.

Few hi-res recordings from Primophonics instantly convinced me that this player was well worth all the aggravation:
the sound was simply wonderful.

I can't wait to convert some of my organ music LPs to HiRes WAV or FLAC or maybe DSD files and play them on my RaspTouch!!! It will be glorious!
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This review has been posted for RASPTOUCH I-SABRE ES9038Q2M Streamer with Touchscreen 32bit 384kHz DSD128
 
RASPTOUCH I-SABRE ES9038Q2M Streamer with Touchscreen 32bit 384kHz DSD128
With the RaspTouch, Audiophonics offers a simple and efficient hardware solution combining both network player and DAC. The device offers...

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