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Violectric dac v850, Руководство пользователя

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Violectric dac v850 Скачать руководство пользователя страница 2

 

2

 

Content 

 

Theme 

Page 

 

About Violectric 

3 

Safety Instructions 

5 

The Earth / Grounding Concept 

7 

Connection / Connectors 

9 

General 

10 

Operation 

11 

The Remote Control Option 

19 

Programming / default settings 

19 

Things to know 

22 

Dismantling / Jumper Setting 

24 

Technical Data 

26 

Conformity Statement 

27 

Warranty 

28 

 

 

 

Here you can find the USB drivers: 

http://www.violectric.de/violectric-others.html

 

http://violectric-usa.com/downloads

 

 

Содержание dac v850

Страница 1: ...1 DIGITAL ANALOG CONVERTER DAC V850 version 1 1 USER s MANUAL ...

Страница 2: ...ectors 9 General 10 Operation 11 The Remote Control Option 19 Programming default settings 19 Things to know 22 Dismantling Jumper Setting 24 Technical Data 26 Conformity Statement 27 Warranty 28 Here you can find the USB drivers http www violectric de violectric others html http violectric usa com downloads ...

Страница 3: ...High End market with its specific requirements Who develops equipment devices are exclusively developed in Germany by the engineers of Lake People electronic GmbH In doing so the team of developers can draw on twenty years of experience and countless products for the pro audio domain Among others the first German made 20 bit A D and D A converters were developed by Lake People in the early ninetie...

Страница 4: ...it should devices are covered by a 24 month warranty In case of any malfunction during this period they can be shipped to the manufacturer directly Of course the client will benefit from s and Lake People s full technical support even when warranty has expired Any technical questions or need for advice is welcome is a subsidiary of LAKE PEOPLE electronic GmbH Turmstrasse 7a D 78467 Konstanz Fon 49...

Страница 5: ...gs convenience receptacles and the point where they exit from the appliance This unit is equipped with a 3 pole mains cable with a dedicated mains plug for the Europe USA Great Britain or China In some countries this unit must be operated with a mains adaptor supplied by the owner Please refer to the table below to connect a mains plug OVERVIEW POWER CORD FUNCTION AND COLORS CONDUCTOR COLOR Altern...

Страница 6: ...ser should not attempt to service the appliance beyond the measures described in the operating manual All other servicing or repair should be referred to qualified personnel Electromagnetic Compatibility This unit conforms to the Product Specifications noted as Declaration of Conformity at the end of this manual Operation is subject to the following conditions this device may not cause harmful int...

Страница 7: ...ifted by means of this jumper As a result the interconnection for DC voltages and lower frequencies 150 Hz will be cut Higher frequencies will be bled off to earth potential through the RC filter The LIFT position is helpful in case of hum or jitter caused by different ground earth potentials Of coarse full electrical protection is granted as the case is always connected to ground earth potential ...

Страница 8: ...e is connected to the shell of the XLR connector The shell is ALWAYS connected to earth potential when the connector is inserted Concerning ANALOG inputs and outputs the relationship between ground and earth may be modified Electrical safety is always ensured since the earth conductor is permanently connected to the enclosure Please note that with jumpers in LIFT or GROUND position EMC emission mi...

Страница 9: ...9 Connection Connectors ...

Страница 10: ...r mute and resampling mode resampling upsampling by multipliers x1 x2 x4 and BEST 32 bit double mono converters 2 converters per channel Delta Sigma D A converter with 120 dB dynamic range 112 dB THD output level adjustable on the front panel sophisticated analog output stages max dyn range min distortion digitally operated output level control 32 bit processing additional internal maximum level j...

Страница 11: ...ord The device is normally set to 230V mains whereas the actual voltage may vary between 190 and 250 volts for flawless operation There are dedicated mains cords for Europe USA Great Britain and China For the USA and some other countries the unit is set to 115 V mains ex works Here the AC voltage may vary between 85 and 125 volt for flawless operation A toroidal transformer provides the internal o...

Страница 12: ... 4 und 192 kHz sample rate In order to avoid any interference caused from the host the USB input is fully insulated with the signal coupled via transformer The balanced input is equipped with an XLR socket according to AES 3 1992 transformer balanced at 110 ohms input impedance and 200mV sensitivity at Tnom 2 The coaxial input is fitted with a RCA socket according to IEC 958 and AES 3 id resp unba...

Страница 13: ...see page 21 special settings All options for the digital output are listed below Hint When the resampling mode is active also the volume from the digital output signal will be attenuated by the front mounted attenuator or the remote control Hint When the digital output is set to Resampling Mode ON but the resampling action on the front panel is set to OFF than the digital output is muted Input Sam...

Страница 14: ...han 1 one Ohm NOTE When connecting unbalanced lines to the balanced outputs pin 3 must not be bridged but left unused open In this case the resulting output level will be 6 dB less NOTE The special settings menu will enable phase reversed analog outputs instead of in phase outputs if required The phase shift is relative to the incoming digital audio data and is no channel shifting by means of L R ...

Страница 15: ...jitter caused by improper treated computer outputs With the aid of resamp ling process nearly all jitter and not only specific ones is removed from the USB data stream without using asynchronous USB mode which is nonetheless also a feature of the USB input This isn t mystery at all but a feature offered by so called sample rate converters available since the nineties of the past century While earl...

Страница 16: ...N By pressing the RESAMPLING button the modes OFF x1 x2 x4 BEST can be stepped through in clockwise order OFF lights up when the resampling function is deactivated The digital input word is forwarded to the D A converter without alteration x1 The yellow x1 LED indicates that the resampling function is activated The digital input word will be recombined and forwarded to the D A converter at origina...

Страница 17: ...HE VOLUME CONTROL Analog output level is set by means of the VOLUME control Level control as such is effected within the D A converter for both channels simultaneously by digital processing Also no noise no scratching no crosstalk or gang errors can occur at all Control accuracy is 0 5 dB over a 120dB range And yes the attenuator affects the data word length and so signal accuracy But as the atten...

Страница 18: ...e 15 dBu represent a voltage of 4 5 Veff which may exceed the capabilities of many audio devices designed for a voltage swing of 1 2 volts Therefore the maximum output level of the DAC V850 can be adapted by means of internal DIP switches While factory preset to 15dBu the maximum output level can as well be set to 24 18 15 12 6 dBu with level knob fully clockwise For further details see appendix p...

Страница 19: ... the up down buttons of the circular control pad Resampling functionality is altered by pushing the red green yellow or blue button on the remote control The selected function can be enabled disabled by a repeated push on the same button Mute The Mute function is not present on the V850 front panel itself But a mute can be released by the affiliated button on the remote control The activated mute ...

Страница 20: ...ELECT button for about two seconds Afterwards the LOCK LED flashes constantly and the address lights up as follows Address 1 Address 2 Address 3 Address 4 Address 5 Address 6 Address 7 Address 8 To alter the address push repeatedly the INPUT SELECT button To finalize your settings push the INPUT SELECT button for two seconds and the blue LOCK LED stops flashing HINT Please keep in mind to also alt...

Страница 21: ...gnal LED off default or if the digital output signal was treated by the resampling circuitry LED lights permanently Menu 2 x1 specifies if the analog outputs are muted whilst the resampled digital signal and thus the digital volume control is active on the digital output The analog outputs are active when the LED is off default if the LED lights permanently the analog outputs are muted Menu 3 x2 s...

Страница 22: ... jitter oscillator is installed which is fed from its own low noise power supply build with discrete components After the resampling stage an AES EBU or S P DIF encoded PCM signal is sent to the rear digital output while the data contents and auxiliary clocks are fed to the digital to analog converters The D A converters comprises a digital filter the volume control the stereophonic converters as ...

Страница 23: ...tion and high flexibility with regard to the achievable output level Within this amplifier the output currents of the D A converters are transformed into voltages while any interferences and processing frequencies are completely removed Gain i e output level can be set by means of DIP switches over a very wide range An error amplifier caters for minimum DC offset From the D A converters to the rea...

Страница 24: ...ereafter the settings can be altered without any hazard DISMANTLING To avoid damages please follow the instruction below 1 screw off both upper screws on the front panel 2 screw off both upper screws on the back panel 3 unscrew the two lower screws on the front panel about 2 3 mm 4 the front panel can be tilt afterwards by some degrees 5 now lift the upper lid 6 make your personal jumper settings ...

Страница 25: ...25 JUMPER SETTING DAC V850 ...

Страница 26: ...ats AES EBU S P DIF up to 24 bit Input Sample Rates 32 44 1 48 88 2 96 176 4 192 kHz USB asynchron mode supported Analog Frequency Range 4 Hz 53 kHz 0 5 dB THD k2 k10 112 dBu Dynamic Range A wtd 120 dB Crosstalk 1 kHz 125 dB Crosstalk 15 kHz 110 dB Bal Analog Outputs 2 x XLR male Bal Analog Output Level 24 18 15 12 6 dBu selectable ex works set to 15 dBu Output CMRR 15 kHz 60 dB Output Impedance 1...

Страница 27: ...f conformity with regard to electromagnetic compatibility the following harmonized standards are applied EN 50081 1 1992 Generic emission standard EN 50082 1 1992 Generic immunity standard Product family standard for audio video audio visual entertainment apparatus EN 55013 2001 EN 61000 3 2 2000 EN 55020 2002 EN 61000 3 3 1995 2011 65 EU RoHS directive 2012 19 EU WEEE directive Member No DE 26076...

Страница 28: ...f the warranty If it is necessary please dispatch your item to Lake People electronic GmbH Fon 49 0 7531 73678 Turmstrasse 7a Fax 49 0 7531 74998 D 78467 Konstanz E Mail info lake people de Your warranty claim begins with the date of purchase which should be denoted on your proof of purchase In case of return do not forget to include the receipt of sales or a copy of the receipt Please also includ...

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