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Okto Research dac8 Stereo, Owner'S Manual, Page: 26 / 26

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Okto Research dac8 Stereo Owner'S Manual Download Page 26

 

 

 

26   |   dac8 Stereo O

wner’s

 Manual

   |   okto research

 

 
 

Okto Research s.r.o. 

Jana Masaryka 257/26 

12000 Prague 

Czech Republic 

[email protected] 

www.oktoresearch.com 

Manual revisions 

Rev. 1.2 

Large number of changes accompanying the release of the v1.2 firmware 

Rev. 1.1 

Small changes, extended XLR-to-RCA disclaimer, mailing address update 

Rev. 1.0 

Initial release 

 

 

 

 

Summary of Contents for dac8 Stereo

Page 1: ...dac8 Stereo Highest performance streaming enabled stereo D A converter Owner s Manual...

Page 2: ...s 12 Rotary control 12 Remote control 12 User interface and menu system 13 Main screen left 13 Main screen right 14 Main menu 14 Volume submenu 15 Inputs submenu 15 Outputs submenu 16 System submenu 1...

Page 3: ...er channel 4 2V RMS full scale output impedance 50 Ohms Headphone output front side 6 3 mm 1 4 TRS connector Output level 4 2 V RMS full scale 120 mA linear output current Output impedance 100 mOhm An...

Page 4: ...level short circuit proof with 15 mA maximum current pulse or continuous Full control with either rotary or remote control Dimensions 446 x 183 x 50 mm 17 56 x 7 2 x 1 97 in excluding removable feet W...

Page 5: ...5 dac8 Stereo Owner s Manual okto research Mechanical drawings...

Page 6: ...for the streaming version Wi Fi USB adapter with antenna USB interconnect blank 16 GB microSDHC memory card inserted in the Raspberry Pi s slot Optional accessories Apple Remote optional accessory In...

Page 7: ...or installing additional drivers The dac8 Stereo will be recognized as a 2 channel playback device and a 2 channel recording device The only action required by the user is to select the dac8 Stereo in...

Page 8: ...to receive an ASIO driver compatible with older firmware versions Once the installation is complete the Okto Research USB device will become available in any ASIO capable playback software The follow...

Page 9: ...erted to the analog domain with extremely high precision The back plate of the dac8 Stereo features two output XLR connectors per channel They are connected together internally allowing for simultaneo...

Page 10: ...ze the full power of the amplifier resulting in a loss of 6 dB in attainable sound pressure level Elevating the dac8 Stereo s output voltage to 8 V RMS would enable it to harness the full power of the...

Page 11: ...nce but it is recommended as a cost effective way to connect subwoofers Warning We strongly discourage the use of balanced to unbalanced cables and converters Doing so will result in significantly dec...

Page 12: ...ff Main screen Menu Menu selected Input Left right turn Volume control Navigation Modify Push Turn on Enter menu Select Confirm Long push Turn on Turn off Back Confirm The navigation direction is inte...

Page 13: ...ned off using the central control knob or infrared remote control The changes will not be saved if the device is turned off by disconnecting from the power supply This is to protect the flash memory f...

Page 14: ...utput range 0 to 99 dB default 50 dB Mute icon appears when mute is enabled Min max indicator only appears if the volume reaches upper limit set in the Menu Volume Lim or minimum value 99 dB Main menu...

Page 15: ...onal attenuation relative to the master volume to control volume balance between the left and right channel default L R Inputs submenu Selected shows active selected input Use USB1 USB2 Coax1 Coax2 Op...

Page 16: ...default System submenu Trigger sets trigger output as continuous or 10 ms pulse during turn on and off cont default pulse Auto ON turns on the unit when incoming signal of non zero value is detected A...

Page 17: ...the rotary control Load defaults loads factory defaults Displays submenu Brightness sets the display brightness in 6 steps default 6 Timer sets a timer to dim or turn off the displays off default 10 s...

Page 18: ...Owner s Manual okto research Filters submenu PCM filter selects FIR filter type for interpolation of PCM encoded signal FRLP fast roll off linear phase SRLP slow roll off linear phase PCM filter FRMP...

Page 19: ...9 dac8 Stereo Owner s Manual okto research FRMP fast roll off minimum phase default SRMP slow roll off minimum phase AFRLP apodizing fast roll off linear phase HFRMP hybrid fast roll off minimum phase...

Page 20: ...20 dac8 Stereo Owner s Manual okto research BW brickwall DSD filter sets the cut off frequency of the low pass filter for DSD playback auto default 50 kHz 60 kHz 70 kHz...

Page 21: ...e value will allow for operation with more jittery signal sources at a cost of slightly reduced jitter suppression range 0 to 15 default 8 THD h2 introduces a 2nd order nonlinearity to the DAC s trans...

Page 22: ...a built in Raspberry Pi with a blank memory card allowing the user to install an audio streaming software of their choice Please follow these steps to ensure a flawless installation 1 Make sure the d...

Page 23: ...from the mains power source 2 Remove the top cover by unscrewing the seven Phillips screws 3 Push the press fit plastic cover inward to remove it 4 Unscrew the two M2 5 hex screws located in the mount...

Page 24: ...e this diagram is also imprinted on the power supply module PCB 1 Unplug the dac8 Stereo from the mains power source 2 Unscrew the 7 screws in the top lid and remove it 3 Reconfigure wire jumpers on t...

Page 25: ...ranty Please note however that any damage resulting from abusive operation is not covered under this warranty To ensure your satisfaction we offer a 30 day return policy If you wish to return the unit...

Page 26: ...ka 257 26 12000 Prague Czech Republic info oktoresearch com www oktoresearch com Manual revisions Rev 1 2 Large number of changes accompanying the release of the v1 2 firmware Rev 1 1 Small changes ex...

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