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EVO PHONODAC TWO
DXD-DSD A-TO-D AND D-TO-A CONVERTER – PHONO PREAMP

REVISION P

R

A – JULY 2016

Copyright © 2016, M2Tech Srl

58

M2Tech

www.m2tech.biz

Figure 38

By clicking on the item, the Audio management window will pop up, as shown in Fig. 39.

Figure 39

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Summary of Contents for EVO PHONODAC TWO

Page 1: ...M2TECH EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMPLIFIER USER MANUAL M2TECH EVO P DAC Two HONO DXD DSD A D D A CONVERTER PHONO PREAMP CLIP REV PrA 7 2016...

Page 2: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 2 M2Tech www m2tech biz...

Page 3: ...ons to other equipment in the system must be done when all equipment are off Failing to comply with this advice may lead to damage to the EVO PHONODAC TWO The label above printed on the product case i...

Page 4: ...inputs analog and digital ones therefore it s able to interface with virtually every audio device The special optical output for communicating information about the sampling frequency being selected a...

Page 5: ...on volume PWR ON VOL 23 8 4 Output signal phase PHASE 24 8 5 Channels swap CH SWAP 24 8 6 Low pass filter LP FILTER 24 8 7 High pass filter HP FILTER 24 8 8 MPX filter MPX FLT 24 8 9 Phono equalizati...

Page 6: ...quiring with equalization 34 9 5 Interfacing a cartridge or a tape head 34 9 6 Recording programs 35 10 Using a Computer as Digital Source and or Sink 37 10 1 Plug n Play Operation with Apple OSX 37 1...

Page 7: ...ontrol Should one or more item be missing please contact your retail dealer NOTE no cables are provided the user is free to choose her his favourite ones Remove the EVO PHONODAC TWO from the foam encl...

Page 8: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 8 M2Tech www m2tech biz...

Page 9: ...analog signal reaches the preset level See Chap 7 3 Remote control IR receiver Aim the remote at this point to send command to the device NOTE the remote control provided with the EVO PHONODAC TWO EV...

Page 10: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 10 M2Tech www m2tech biz...

Page 11: ...the EVO CLOCK Two master clock output anyway it also accepts standard word clocks and even the reference 10MHz clock As an alternative connect to the S PDIF output of a digital audio device It may be...

Page 12: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 12 M2Tech www m2tech biz...

Page 13: ...gle muting 2 Menu Esc Press this button to access the menu and to exit the menu without affecting the current settings 3 Navigation buttons They have various functions both during menu navigation and...

Page 14: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 14 M2Tech www m2tech biz...

Page 15: ...TWO side If the EVO CLOCK TWO is used connect its clock info optical input to the EVO PHONODAC TWO clock info output Fig 2 9 using a Toslink fibre interconnect not in stock to make the EVO CLOCK TWO c...

Page 16: ...2016 M2Tech Srl 16 M2Tech www m2tech biz NOTE that the EVO PHONODAC TWO EVO PHONODAC TWO EVO PHONODAC TWO EVO PHONODAC TWO is not provided with a power switch therefore it will power on as soon as a...

Page 17: ...the Unit The EVO PHONODAC TWO should be cleaned with a soft slightly damp cloth Do not use alcohol or any other types of cleaning fluids as they could damage the unit Avoid fluids from dropping or le...

Page 18: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 18 M2Tech www m2tech biz...

Page 19: ...ng press Previous track arrow left button Next track arrow right button To use the HID feature it is necessary to use a compliant player 7 3 Analog input gain and impedance The EVO PHONODAC TWO is pro...

Page 20: ...uency of the clock applied and when needed synthesize the needed master clock The external clock input accepts all most common word clocks and the so called super clock plus of course the master clock...

Page 21: ...uxiliary S PDIF inputs only accepts PCM up to 192kHz 24bits conforming to the standard 7 8 Filters The PHONODAC TWO DAC is provided with a wealth of filters to optimize the coupling with every analog...

Page 22: ...R PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 22 M2Tech www m2tech biz The MPX filter eliminates the 19kHz FM stereo sub carrier from FM broadcasts which is perceived by certain peop...

Page 23: ...s possible to scroll the available items using the arrow up and arrow down buttons To confirm the displayed value press the OK button To go back to higher level just press the arrow left button NOTE a...

Page 24: ...e swapped at output connectors left channel sent to right connector and right channel sent to left connector NO left and right channel signals will be sent to their related output connectors 8 6 Low p...

Page 25: ...ut signal will be quantized to 24 bits 20 bit analog input signal will be quantized to 20 bits 16 bit analog input signal will be quantized to 16 bits 8 11 ADC sampling frequency ADC FS NOTE this item...

Page 26: ...re good values for line level sources 0dB typically for a CD player 3 6dB for a cassette tape recorder or a tuner 8 13 ADC clip indicator reference level ADC CLIP This item is a multi value choice cli...

Page 27: ...plied to the signal before sending it to the cutting lathe low frequencies are attenuated to reduce their dynamic and high frequencies are amplified to elevate them over the surface noise floor Of cou...

Page 28: ...ent curves of the various LP s Not only LP s are equalized equalization was used for 78rpm too as well with great variety of choices A good phono preamplifier or an ADC suitable for direct phono acqui...

Page 29: ...pitol Columbia HMV RCA Figure 7 To better understand the effect of using the wrong equalization curve to play a record Figure 8 shows the relative level versus frequency of the music on a Decca FFRR r...

Page 30: ...curve set provided with the EVO PHONODAC TWO is the one which covers almost all the labels producing records between 1925 and 1954 To find out more about which curve to use with a specific record exte...

Page 31: ...LP which got to success after a market war against RCA who was sponsoring a 45rpm microgroove standard 9 2 7 HMV HMV His Master s Voice after the painting with the dog Nipper listening to a gramophon...

Page 32: ...of them 9 2 13 Philips Of course Philips one of the greatest European brands related to music developed its eq curve 9 2 14 RCA RCA1 RCA2 and RCAO RCA developed many equalization curves to be used wit...

Page 33: ...eds as flux changes with speed The main difference between records and tapes is that almost no turntable is provided with a built in phono amplifier equalizer while almost all reel to reel tape record...

Page 34: ...lization curve is used then the clip indicator turns on right before clipping that is when the input signal is equal or higher than the reference level set in the menu Should the input signal further...

Page 35: ...ch allows for recording up to 384kHz 24bits with source packages compiled by the user otherwise 192kHz will be the limit for executables downloaded by Audacity website and generates files in WAV FLAC...

Page 36: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 36 M2Tech www m2tech biz...

Page 37: ...for music playback by the EVO PHONODAC TWO are described Reader are advised that some details in the described procedures may differ depending on the operating system version installed on your compute...

Page 38: ...TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 38 M2Tech www m2tech biz Figure 9 To send the computer audio to the EVO PHONODAC TWO it is necessary to select it in the So...

Page 39: ...player should be used which is able to automatically change the above setting like Amarra PureMusic and Audirvana Unlike iTunes other players need to be properly configured to use the EVO PHONODAC TW...

Page 40: ...the audio management window and setting the various parameters as shown in Fig 13 which shows Ubuntu s audio configuration windows Ubuntu is one of the most successful Linux distributions Other distri...

Page 41: ...2016 M2Tech Srl 41 M2Tech www m2tech biz Figure 13 Depending on the chosen player it is necessary to configure it to use the EVO PHONODAC TWO Obviously each player has its configuration parameters As...

Page 42: ...O connected to a computer running Windows it is therefore necessary to install a driver The following paragraph describes the driver installation procedure NOTE Installation procedure s details may va...

Page 43: ...this case just designate a new folder and direct the extraction process to that folder A window showing the extraction process appears for a while When extraction is complete the application finishes...

Page 44: ...DAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 44 M2Tech www m2tech biz Figure 17 Once setup is launched the window shown in Fig 18 appears F...

Page 45: ...proceed It may be that an older version of the M2Tech driver is already installed in your PC In this case the installer will ask you permission to uninstall it with the windows in Fig 19 Figure 19 Cl...

Page 46: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 46 M2Tech www m2tech biz Figure 20 Figure 21...

Page 47: ...z At the end of installation the windows will show the complete list of installed files and will enable the buttons located in the lower right angle of the window border as shown in Fig 22 Figure 22 A...

Page 48: ...hecked by looking for the big M2 icon in the peripheral section of Windows bar or in the active peripherals window depending on operating system version NOTE With some Windows versions e g Windows XP...

Page 49: ...to music files 10 3 2 Windows driver uninstall The installer takes care of uninstalling the old driver versions Anyway it may be necessary to uninstall the EVO PHONODAC TWO driver for various reasons...

Page 50: ...PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 50 M2Tech www m2tech biz Figure 26 It s sufficient to click on the Uninstall button to start uninstall A windows appears that shows the u...

Page 51: ...h biz At uninstall completion the window will show the entire list of deleted files and will enable the buttons located to the lower right corner of the window border as shown in Fig 28 Figure 28 Clic...

Page 52: ...Tech Srl 52 M2Tech www m2tech biz Figure 29 Clock on the Finish button to close the application At this point if the user launched uninstall from the Control Panel it is possible to verify that the dr...

Page 53: ...is installed which runs in background and allows user to optimize the driver operation The panel can be restored in the foreground by clicking on the big M2 icon present in the right part of the Wind...

Page 54: ...6 Copyright 2016 M2Tech Srl 54 M2Tech www m2tech biz Figure 31 Figure 32 Of main interest is the driver version as users may visit the M2Tech website from time to time to check for availability of mor...

Page 55: ...ith the operating system and one for an ASIO buffer which bypasses the operating system and needs a specific setting As a general rule a small buffer is to be preferred when low latency is required e...

Page 56: ...also sports a volume control shown in Fig 36 there are two volume control one for the computer input and one for the computer output The XMOS based system used in the EVO PHONODAC TWO allows for digi...

Page 57: ...ing certain players such as Windows Media Player or when listening to streaming music from the Internet it is necessary to set the EVO PHONODAC TWO as the predefined audio output device To this purpos...

Page 58: ...DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 58 M2Tech www m2tech biz Figure 38 By clicking on the item the Audio management window will pop up as show...

Page 59: ...d to operate the EVO PHONODAC TWO To this purpose it is sufficient to click on the Properties button thus opening the window shown in Fig 40 Figure 40 By accessing the drop down menu available in the...

Page 60: ...TER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 60 M2Tech www m2tech biz Figure 41 A double click on the item will allow user to access the property window which allows to set the re...

Page 61: ...g the transfer from the player to the EVO PHONODAC TWO 10 3 5 Configuring the player FooBar and JRiver Media Center A player able to communicate with the driver without using the operating system usua...

Page 62: ...inside FooBar s root folder the ASIO file which is downloaded from the FooBar website is an application which automatically installs the DLL in the right folder without any explicit action by the user...

Page 63: ...xecutables both to be used one for the installation of the component for the compatibility with SACD ISO files plus a proxy file to send DSD to a compatible audio device provided with an ASIO complian...

Page 64: ...ooBar is now ready to send DSD streams from DSD files to the EVO PHONODAC TWO The second player used as an example is JRiver Media Center www jriver com JRiver is a commercial player a closet product...

Page 65: ...window for the configuration of the output mode Output mode settings which is obviously dedicated to ASIO and select the MUSBAudio ASIO Driver as shown in Fig 47 Figure 47 At this point JRiver recogn...

Page 66: ...ONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 66 M2Tech www m2tech biz Figure 48 A window will automatically appear in which the user can manually set the bitstream configuration paramet...

Page 67: ...he parameter related to the processing of files with sampling frequency higher than 192kHz as in Fig 50 Figure 50 JRiver configuration is complete and the user can now listen to PCM files up to 384kHz...

Page 68: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 68 M2Tech www m2tech biz...

Page 69: ...HONODAC TWO straight from her his Windows PC To this purpose it is necessary to download the latest firmware from M2Tech website and use the app named MUSBAudioDfu exe which can be found in the C Prog...

Page 70: ...M2Tech www m2tech biz Figure 52 Click on the Browse button to select the file previously downloaded from M2Tech website which contains the new firmware Then click on Start button to launch the update...

Page 71: ...ast degree of performance from the EVO PHONODAC TWO M2Tech manufactures a high quality battery powered power supply to be used with the EVO PHONODAC TWO the EVO SUPPLY TWO http www m2tech biz it evosu...

Page 72: ...EVO PHONODAC TWO DXD DSD A TO D AND D TO A CONVERTER PHONO PREAMP REVISION PRA JULY 2016 Copyright 2016 M2Tech Srl 72 M2Tech www m2tech biz...

Page 73: ...IF output impedance 75 Ohms Analog input sensitivity 2 5Vrms 0dB gain 2mVrms 62dB gain Analog input impedance 10 Ohms to 50k Ohms THD N 0 0004 USB input 1kHz 0dBFS SNR 118dBA analog to analog gain 0dB...

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