X20 HiFi
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Contents
X20-DAC INTRODUCTION
Operating System: VOLUMIO, MOODE
For Use With: Raspberry Pi 1 Model B+/ 2 Model B / 3 Model B
X20-DAC BOARD
Features
- ESS Technology flagship DAC chipset (ES9028Q2M) for best sound quality
- 129dB DNR -120dB THD+N
- 32bit/384kHz Bit to Bit Playback & Native DSD Playback (Use with our XMOS I2S module)
- JRC MUSES8920 high quality Audio J-FET input dual OP AMP
- Ultralow phase noise 100MHz HiFi TCXO
- Texas Instruments ultra-low-noise voltage regulator
- Dedicated individual DVCC, AVCCL, AVCCR, Oscillator 3.3V power supply
- Selected high quality components (WIMA Film capacitor, Panasonic low ESR aluminum electrolytic capacitor, Gold-plated RCA connectors etc)
- Can connect to our XMOS USB-to-I2S module directly
- Can be used individually with only 3 wire I2S signal connected from other i2s interface
- All dual OPAMP in single dip8 package IC can be used
- High performance and compact Raspberry Pi DAC solution for everyone
Specification
- Power supply: +5Vdc ±5%, +15Vdc ±5%, -15Vdc ±5%
- Analog audio output level: 2V RMS
- Resolution/Sampling Rate: Up to 24bit / 192KHz (Raspberry Pi I2S); Up to 32bit / 384KHz (Use with XMOS USB to I2S board); DSD64 /DSD128 (Use with XMOS USB to I2S board).
- PCBA size : 101.5 x 56mm x 34.5mm, PCB size : 85 x 56mm
X10-PWR POWER SUPPLY BOARD
Features
- Fully regulated linear power supply board for X10 / X20 series DAC
- Texas Instruments ultralow noise TPS7A470x regulator
- Four individual 5.2V/ 5.0V/-15V/+15V to power the Raspberry Pi (1), DAC chipset and OPA
- High performance ELNA and Nichicon Audio Purpose Capacitors
- For use with R-core transformer
Specification
- Input rating : 6VAC ±5% 2.5A, 6VAC ±5% 0.5A, 15VAC ±5% 0.55A, 15VAC ±5% 0.55A
- Output voltage：5Vdc ±5% 2.5A, 5Vdc ±5% 0.5A, +15Vdc ±5% 0.5A, -15Vdc ±5% 0.5A,
- PCBA size : 85mm x 56mm x 50.5mm, PCB size : 85 x 56mm
Notes:
Low voltage indicator might show up during boot, it does not affect audio performance.
WARNING:
DO NOT APPLY POWER TO YOUR RASPBERRY PI VIA THE PI's MICRO USB SOCKET.
X10-RTR R-CORE TRANSFERMER
Features
- For use with X10-PWR power supply board
- High quality 35W R-core transformer
- Equipped with AC voltage selector switch convenient to select 115/230Vac input
- Lighted power switch
- Equipped with detachable power cord
- Full aluminum chassis
Specification
- Input : AC110 / 230V ~50 / 60Hz
- Output： 6VAC ±5% 2.5A, 6VAC ±5% 0.5A, 15VAC ±5% 0.55A, 15VAC ±5% 0.55A
- Size 118m x 93mm x 59mm
X10-I2S BOARD XMOS USB TO I2S / SPDIF / Coaxial
Features
- The XMOS xCORE-AUDIO Hi-Res family of parts
- Deliver precise output with low noise/distortion for soothing, high-quality sound
- Ideal HiFi audio solution for Raspberry Pi
- Streamed through Raspberry Pi to I2S, DSD and/or S/PDIF interfaces
- PCM up to 32bit /384 KHz sample rates
- Native DSD, DoP64 and DoP128
- Up to 192 kHz, 16/24 bit resolution S/PDIF output
- Asynchronous Isochronous transfer from Raspberry Pi
- Multiple OS support (Volumio, Moode Audio Player, Windows, Android etc)
- SiTime SiT8208 ultra performance oscillator
- Texas Instruments ultra-low-noise voltage regulator
Specification
- Power supply: +5Vdc +/-5%
- CODEC: I2S 16, 24, or 32 bit PCM, DSD64 and DSD128
- PCM sample rates : 44.1, 48, 88.2, 96, 176.4, 192, 352.8, 384KHz
- Optional S/PDIF output : Up to 192 KHz; 16/24 bit resolution
- PCBA size : 101.5 x 56mm x 34.5mm, PCB size : 85 x 56mm
X10-HPAMP HiFi Headphone Amplifier
This optional accessories;
Features
- Uses TI TPA6120A2 as headphone chip
- SNR of 128dB A-Weighted and THD of 112.5dB
- Current-Feedback Architecture
- The best class AB high fidelity headphone amplifier for diyer to enjoy
- Original ALPS RK27 potentiometer
- 0.1% low noise thin film resister
- 6.35mm and 3.5mm earphone output jack
Specification
- Power supply: +15Vdc ±5%, -15Vdc ±5%
- Output power: 150MW /250, 300MW /120, 1000MW /32
- Frequency response: 20hz-30khz
- PCBA size : 124mm x 56mm x 37.5mm, PCB size : 85 x 56mm
Software Configuration
Volumio (Version: 2.368)
Select the“PLAYBACK OPTIONS”menu, Turn off "I2S DAC" and select "xCORE-AUDIO Hi-Res 2" or "SA9227 USB AUDIO" under“Output Device.” Then reboot and you are done.
Moode Audio Player (Version: 3.1)
Simply select the“Configure”menu, select "MPD" under "configuration settings", then select "USB audio device" under "Audio device", Then click “APPLY" and reboot.
Document
- More detail please refer to web site
- Hardware Installation
- Software Configuration
- Chinese User Manual: File:X20-Kit-Guide-CN.pdf
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