DENAFRIPS VENUS II Owner'S Manual Download

Page: 10 / 18

Parameter Settings:

(1)

Filter Selection (Effective in OS Only)

Press the Mute button once to enter configuration mode

Press the Mode momentarily



OPT On = Slow Filter



OPT Off = Sharp Filter

Wait for 10s

DAC back in operational mode

(2)

Dual AES/EBU Input
1.

Press the Mute button once to enter configuration mode

Press the INPUT+ momentarily, CO1, CO2 LED will turn on/off



CO1 On = Dual AES/EBU Input Enabled



CO2 Off = Dual AES/EBU Input Disabled

Wait for 10s

DAC back in operational mode

(3)

I²S Pinout Configuration
1.

Select I²S-A Input

Press the Mute button once to enter configuration mode

Press the Phase button momentarily, 1X 2X 4X will turn on/off in a fixed pattern to
denote binary 000-111

Wait for 10s

DAC back in operational mode

Video Guide:

https://www.denafrips.com/config-pontus

Summary of Contents for VENUS II

Page 2: ... ADAPTIVE FIFO BUFFER RECLOCKING 4 3 2 I2S INPUT 4 3 3 PROPRIETARY STATE OF THE ART USB INTERFACE 4 3 4 PROPRIETARY SPDIF DIGITAL AUDIO RECEIVER 4 3 5 NOS OS 5 3 6 PROPRIETARY R 2R AND DSD DECODING ARCHITECTURE 5 3 7 DAC ARCHITECTURE 6 4 OPERATING INSTRUCTION 7 4 1 Quick Start Guide 7 4 2 USB DRIVER INSTALLATION WINDOWS OS 12 5 SPECIFICATIONS 16 6 WARRANTY 17 ...

Page 3: ...equipment the mains supply is turned off Position the power cord and signal interconnects where they are not likely cause trip and fall hazard Do not use the DAC near water or place water filled containers on the DAC Entry of liquid into the DAC is hazardous and may cause electric shock and or fire hazard Do not place the unit under direct sunlight or heat source Do not remove any covers or try to...

Page 4: ...y design compared to Pontus with premium components The power supply is encapsulated in a 1 5mm thick metal alloy equipped with dual o core transformers completely isolated super linear regulator power supply for digital and analogue section ensuring low noise high availability power supply to the DAC The VENUS employs true balance R 2R DAC design Each channel is equipped with independent high spe...

Page 5: ...PROPRIETARY STATE OF THE ART USB INTERFACE The VENUS is equipped with the proprietary USB Audio Solution powered by STM32F446 Advanced AMR Based MCU DENAFRIPS redesigned and optimized circuitry allow the DAC to be used as high end DAC with computers streamers It supports 24bit 1536kHz PCM data stream and native decoding of DSD up to DSD1024 It comes with licensed THESYCON USB Driver for Windows Pl...

Page 6: ...m rate of PCM1411 2 or PCM1536 There is no up sampling of DSD audio signal 3 6 PROPRIETARY R 2R AND DSD DECODING ARCHITECTURE The VENUS is equipped with 24Bit R 2R DAC to decode PCM data stream and 32 steps FIR analogue filters hardware decoder to decode DSD data stream These designs guaranteed the PCM format can be perfectly decoded at the same time the DSD format can be perfectly decoded as well...

Page 7: ... memory using the low phase noise accurate FEMTO TCXO Clock located right in the DAC The processed data are sent to the final stage Discrete R 2R for DA conversion R 2R LADDER NETWORK The data bits are converted to analogue signal by the true balanced R 2R ladder network arrays The linearity of the conversion is guaranteed by the high precision thin film resistors with low thermal effect temperatu...

Page 8: ...eft to right a INPUT Input Press the buttons to select the input source namely CO1 CO2 OPT AES1 AES2 USB I2S Press to select the next right input Press to select the previous left input The respective input source LED shall be on to indicate that the input source is selected b PHASE Press the button to toggle Phase Output LED On Positive Phase LED Off Negative Phase c OS NOS Press the button to to...

Page 9: ... Input Sampling Rate LED status Base Sampling Rate Multiplier Input Format 44 1 kHz 1X 44 1 kHz 2X 88 2 kHz 4X 176 4 kHz 8X 352 8 kHz 16X 2X 8X 705 6 kHz 32X 4X 8X 1 411 2 kHz 48 kHz 1X 48 kHz 2X 96 kHz 4X 192 kHz 8X 384 kHz 16X 2X 8X 768 kHz 32X 4X 8X 1536 kHz DSD 1X DSD 64 2X DSD 128 4X DSD 256 8X DSD 512 16X 2X 8X DSD 1024 Table 1 Sampling Rate ...

Page 10: ... the Mute button once to enter configuration mode 2 Press the INPUT momentarily CO1 CO2 LED will turn on off CO1 On Dual AES EBU Input Enabled CO2 Off Dual AES EBU Input Disabled 3 Wait for 10s 4 DAC back in operational mode 3 I S Pinout Configuration 1 Select I S A Input 2 Press the Mute button once to enter configuration mode 3 Press the Phase button momentarily 1X 2X 4X will turn on off in a fi...

Page 11: ...4 6 7 9 0 0 0 0 0 DATA DATA BCK BCK LRCK LRCK 1 1 0 0 1 DATA DATA BCK BCK LRCK LRCK 2 0 1 0 2 DATA DATA BCK BCK LRCK LRCK 3 1 1 0 3 DATA DATA BCK BCK LRCK LRCK 4 0 0 1 4 DATA DATA BCK BCK LRCK LRCK 5 1 0 1 5 DATA DATA BCK BCK LRCK LRCK 6 0 1 1 6 DATA DATA BCK BCK LRCK LRCK 7 1 1 1 7 DATA DATA BCK BCK LRCK LRCK Table 1 I2S PINOUT CONFIGURATION Figure 2 HDMI i2s Input ...

Page 12: ...nd pin connected 2 Analog Audio Signal Output Balanced output via XLR pin2 hot singled ended output via RCA The VENUS is a true balanced DAC we recommend using balanced output whenever possible The RCA and XLR output are shared please use either of the output at a time It is not recommended to use both RCA and XLR output simultaneously 3 Digital Input Interface There are 8 Digital Input Interfaces...

Page 13: ...io playback for Computer Audio System NOTE Mac and Linux OS do not require the USB driver Installation Guide Download the driver from the support page https www denafrips com support Do not connect the USB cable from the computer to the DAC Remove it before the USB driver installation Double click the DENAFRIPS_UsbAudio_v4 82 0 or the latest version to install the USB driver Follow the on screen i...

Page 15: ...IGHTS RESERVED Figure 7 Completed Restart the computer to complete the installation Connect the USB cable to the DAC Power on the DAC Select USB input The USB DAC shall be detected The driver status can be monitored as follows Figure 8 Taskbar Control Panel ...

Page 16: ...L RIGHTS RESERVED Select DENAFRIPS USB DAC as default Windows OS Soundcard Press Set Default button Properties of the DENAFRIPS USB DAC Direct Sound default format ASIO Buffer Size Playback software recommendation roon JRiver Foobar2000 Sonicstudio Amarra ...

Page 17: ...ges from 184V to max 253V Power Consumption 30W Frequency Response 0 70K Hz 3dB THD N 0 0020 1KHz A Weighted Output RCA 2 2 10 V RMS 1KHz Output XLR 4 4 10 V RMS 1KHz Supported Format DSD DSD64 All Input DSD64 DSD1024 USB I S Only Supported Format PCM 24bit 44 1 48 88 2 96 176 4 192 kHz All Input 44 1 1536 kHz USB I S Only S N Ratio 115dB RCA 114dB XLR Dynamic Range 117dB RCA 121dB XLR Stereo Cros...

Page 18: ...chever later Defective Within Warranty Policy First 30 Days DENAFRIPS to bear both way shipping fee Within 1st Year Customer to bear one way shipping fee DENAFRIPS shall cover the return shipping fee Within Warranty Period Customer to bear both way shipping fee DENAFRIPS to repair at free of charge Out of Warranty Customer to bear both way shipping cost DENAFRIPS to provide repair maintenance serv...

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