[GRADE S] AUDIOPHONICS I-SABRE V4 DAC ES9023 TCXO Raspberry Pi 3 B / Pi 3 B+ / Pi 2 A+ B+ / I2S

Audiophonics I-Sabre DAC ES9023 V3 TCXO Raspberry Pi 2.0 A+ B+ / I2S
-9%

Refurbished product - Grade S

New version of the TCXO I-Sabre, its architecture is designed to allow you to have all the outputs on the same side when the Raspberry Pi is coupled to the DAC.
Connectors have been added to make the integration of the various components of a DIY reader as simple as possible.

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Reference : 16369
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58,25 €

-9%

53,25 €tax excl.

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Shipping date: 27-05-2022.

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Refurbished product - Grade S

Brand new product.

Audiophonics I-Sabre V4

DAC ES9023 TCXO Raspberry Pi 3 B / Pi 3 B+ / Pi 2 A+ B+ / I2S

Audiophonics I-Sabre V4 DAC ES9023 TCXO Raspberry Pi 3 B/B+ / Pi 2 A+/B+ I2S

New version of the I-Sabre TCXO, its architecture is designed to allow you to have all outputs on the same side when the Raspberry Pi is coupled to the DAC. Connectors have been added to make the integration of the various components of a DIY player as simple as possible.

I-Sabre is now equipped with an advanced power management (ATX type) for the clean shutdown of the software solution used. These functions are managed by a PIC and allow different shutdown modes according to the needs (software or hardware).

This converter with new features is ideal for turning a Raspberry Pi 2.0, A+ or B+ into a high-definition file reader. Equipped with the famous Sabre ES9023, a revised schematic, and OS-CON capacitors, this DAC will give you a musical, dynamic sound rich in micro details.

Intended for the many software solutions dedicated to audio playback on this platform, it allows an easier than ever implementation for an incomparable result in this price range.


Key Functions :

  • I2C port.
  • Simplified assembly (no welding required).
  • Low noise control with heatsink.
  • Integrated on/off/boot management.
  • Dedicated connector for screen connection (direct pinout HD44780).
  • Dedicated push button connector (momentary).
  • DC 5.5/2.1mm jack input on the PCB.
  • Optimization of the integration of the converter and the circuit.
  • Advanced power management.
  • Low noise regulation of the power supply allowing a maximum power supply of 7.5VDC (2A).
  • Feeding the Raspberry Pi via the GPIO, feeding the Pi separately is no longer necessary.
  • PCM analog/digital conversion (24bit 192kHz max).
  • 2Vrms stereo analog RCA output.

Test of the Audiophonics I-Sabre V4 by Hans Beekhuyzen

Technical characteristics

Specifications
Product typeDAC board
DAC ChipES9023
ClocksTCXO 0.5ppm ultra low jitter
InputRaspberry Pi B+ / A+ 2.0 GPIO
Output1x Gold plated stereo RCA 
Supported sampling ratesPCM up to 24bit 192kHz
I2S DriverHifiberry DAC
VolumeFixed under Volumio in bitperfect (activation of the software volume control possible in the interface).
General
Power supply7.5VDC via Jack DC 5.5 / 2.1mm
Dimensions85 x 56 x 33mm
Mounting holes spacing (HAT format)50 x 58mm
RCA connectorsSpacing : 20mm
Cutout diameter : Ø12mm
Package1x Audiophonics I-Sabre V4
Screws and spacers

The LED display and button are sold separately.


Detail on the operation of the power management system

Power on process :

Press the button. The DAC turns on the Raspberry Pi. The LED flashes waiting for the "BOOT OK" signal from the Raspberry Pi (GPIO 22). This signal happens because a script changes the state of the pin once the Raspberry Pi is started. Once the signal is received, the LED stays on and the system is in a stable state.

Switching off from the button :

Press the button. The microcontroller detects the switch-off command. It sends a "Shutdown" signal to GPIO 17 to start the shutdown script. Once the Raspberry Pi is turned off, the button turns off waiting for a new power-up.

Switching off from Volumio :

Click on "Power OFF". The Raspberry Pi sends a "Shutdown" signal to GPIO 4 to start the shutdown script. Once the Raspberry Pi is turned off, the button will shut down waiting for a new turn on.

Reboot from Volumio :

Click on "Reboot". The Raspberry Pi sends a "Reboot" signal to GPIO 4 to run the reboot script. Once the Raspberry Pi is restarted, the "Boot OK" will come back and the button LED will be fixed.

Tutorial for Volumio script installation Tutorial for RuneAudio Script Installation
Audiophonics I-Sabre V4 DAC ES9023 TCXO Raspberry Pi 3 B/B+ / Pi 2 A+/B+ I2S Audiophonics I-Sabre V4 DAC ES9023 TCXO Raspberry Pi 3 B/B+ / Pi 2 A+/B+ I2S
 
Data sheet
InputI2S
OutputRCA
DAC / ADC ChipES9023
Max sampling rate192kHz
ColorBlack
Mounting typeTo screw
Channel2 (Stereo)
Refurbished GradeGrade S
 
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[GRADE S] AUDIOPHONICS I-SABRE V4 DAC ES9023 TCXO Raspberry Pi 3 B / Pi 3 B+ / Pi 2 A+ B+ / I2S
Refurbished product - Grade S New version of the TCXO I-Sabre, its architecture is designed to allow you to have all the outputs on the same side...

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