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20

Analog output impedance

50 Ohms nominal

Analog output frequency response
(digital in 96 kHz)

10 Hz –25 kHz 

±

 0.5dB

Analog output THD

Less than 0.02 %

Analog output crosstalk

Greater than 105 dB at 1kHz

Main analog output volume control

Steps of 0.5dB from –80 to 0 dB

Trim analog output volume control

Steps of 0.5 dB from –9 to +9 dB

Balance control

Steps of 0.5 dB

Total analog inputs

1 stereo pair

Total digital inputs

1 AES
3 SPDIF
1 TOSLINK

Total analog outputs

2 balanced, 2 unbalanced

Communication port

RS232 standard

Remote control

Infrared based (common remote control
as for MPA and PL-L)

Operating temperature range

15 – 35 

°

C

AC supply voltage

94 – 132V, 188- 264V

AC supply frequency range

44- 66 Hz

AC power consumption

On 8.2 W, Standby 2 W

Summary of Contents for DAC

Page 1: ...DAC Instruction manual NAGRAVISION SA KUDELSKI GROUP All rights reserved June 2004 P N 2055010151 ...

Page 2: ...itary businesses Since its inception in 1951 Nagra products continue to earn a reputation for delivering the best possible sonic and mechanical performance under many very difficult operating conditions Numerous awards have been bestowed upon Nagra for its technical innovation excellence in design and flawless construction In building the DAC converter significant effort has been focused on buildi...

Page 3: ... costs as well as customs duty and other possible charges are at the customer s expense Our warranty remains valid in the event of emergency repairs or modification being made by the user However we reserve the right to invoice the customer for any damage caused by an unqualified person or a false manoeuvre by the operator We decline any responsibility for any and all damages resulting directly or...

Page 4: ...ut source can be selected as an asymmetrical or symmetrical input The outputs of the DAC are electronically balanced for the highest audio performance The outputs can be selected as a symmetrical XLR or asymmetrical RCA CINCH output Optional by pair the outputs can be delivered as floating transformer outputs A special filtering technology called Adaptative Time Filtering allows the input and outp...

Page 5: ...or at least 3 minutes After this delay the power capacitors are supposed to be discharged Switch on again after a few seconds push the front power key and verify if everything is correct If the DAC does not turn ON this indicates that a faulty condition exists with the following possibilities The fuses on the AC panel of the DAC have blown or are not installed The power cord is not correctly plugg...

Page 6: ...io tuner or S VHS player The analog source signal can be an asymmetrical or symmetrical signal The symmetrical signal should be connected to the XLR connectors A input taking care that the switch on the rear panel is set to OPEN In the case that the source is an asymmetrical signal but you prefer to connect it to the Nagra DAC via the XLR inputs do not forget to set the same little switch to GROUN...

Page 7: ... is basically fitted with 1 D A DSP converter pcb Identify the above pcb inside the Nagra DAC Select the adapted output level from the following table Factory set to 0 775 Vrms Example Setting the jumpers for S2 S3 in position 2 gives an output voltage for 0 dB on the modulometer of 2Vrms or 8 dBm VOLUME ADJUSTMENT This display appears at the moment that the up or down arrow key on the main panel ...

Page 8: ... the balance use the left or right arrow key Buttons A to F Are not used on the Nagra DAC Mute Pressing once on the mute button the Nagra DAC output is muted and the led above the power button turns red Pressing once again the Nagra DAC returns to normal condition and the led turns green ON OFF When the OFF button is pressed the Nagra DAC switches to the standby position When the ON button is pres...

Page 9: ...cape key and the MUTE key The input pre selection can be selected by using the left or right function key The main volume adjustment all output channels can be modified by using the up or down key When having the main display and pressing the center key the display will show the main sub menu The ESC key is used to escape from the sub menus In the case that another parameter was selected when pres...

Page 10: ... position of the balance potentiometer Be aware that if the balance is in the middle position the middle LED is not lighting The lower right corner shows the arrow keys permitting the adjustment of the output level up or down arrow keys and the balance left or right arrow keys 2 0 INPUTS AND OUTPUTS PANEL 2 1 AC INPUT PANEL 1 is the fuse holder and voltage selector The DAC works from 94 V to 132 V...

Page 11: ...digital SPDIF inputs 75 terminated Maximum input clock is 96 kHz E is the optical input Before using it remove the black cover by pulling it Maximum input clock is 96 kHz F is the AES input connector It is a symmetrical digital signal input and support maximum a clock of 96 kHz 2 3 OUTPUT PANEL It is possible to select either the XLR outputs or the RCA Cinch outputs Both may not be used together O...

Page 12: ... CONTRAST 70 BLANKING OFF LEDS INTENSITY 80 MODULO MODE ROW MODULO SENSE DIG CORRECTION NONE ID MAIN 1 REMOTE CONTROL ID TRIM 2 MAIN LEVEL LAST TRIM LEVEL RESET INPUT LAST POWER UP SETTINGS RESET TO DEFAULT FACTORY CONFIG NO ABOUT DSP SOFTWARE V X X uP SOFTWARE V X X A B C A B C A B C DIRECT INVERTED DIRECT INVERTED A B C or LST A B C or LST A B C or LST A B C or LST A B C or LST A B C or LST OFF ...

Page 13: ... be pressed before the parameters can be changed Means that only the center button needs to be pressed this to select the present parameter Means that first the center button needs to be pressed followed by the parameter selection via the up and down arrow key Once the corresponding parameter is selected press the center key once to validate The left arrow key permits to return one step the ESC ke...

Page 14: ...will be explained later in the manual T 1 T 2 T 3 are the 3 templates available on the machine They give the possibility to select directly by one button a fully configured setup as well as the designated input All those functions will be explained later in the manual IMPORTANT NOTE When scrolling through the menus a time out counter will start automatically and will return any selected position t...

Page 15: ...llowing parameters are stored in a template Remote control settings Power up settings LCD LED Blanking and Light correction Input source The RENAME menu permits to enter acustomized name To enter a customized name press the center key once By pressing the up or down arrow keys the corresponding character can be selected To jump to the next character position press once the right arrow key Maximum ...

Page 16: ...tion key below the indication LST By using the up and down arrow keys select a corresponding name and press the center key to confirm If a name needs to be introduced directly press the center key for the corresponding input use the up and down arrow keys for selecting a character move to the next character space by pressing the right arrow key etc Once the name introduced press the center key to ...

Page 17: ...IGHT intensity can be adjusted in a range from 20 to 100 The CONTRAST can be adjusted in a range from 30 to 100 The LEDS can be set to BLANKING ON or OFF If it is set to ON and in the mean time any key was pressed all led s will turn OFF after 3 seconds If any key is pressed they turn ON again for 3 seconds The LED s on the main panel cannot be blanked The brightness INTENSITY can be adjusted in a...

Page 18: ...A DAC will wake up with the same main level as before standby The other possibility is to set a value between 0 and 80 dB The TRIM LEVEL menu When LAST was selected the NAGRA DAC will wake up with the same trim level as before standby When RESET was selected the NAGRA DAC will reset all the trim values The trim values are the actual positions of each level and balance adjustment for all channels T...

Page 19: ...nput connectors Coaxial RCA CINCH Optical TOSLINK AES XLR Analog input formats Selectable symmetrical or asymmetrical Analog input impedance 100 kOhms 1 Analog input connectors Coaxial RCA CINCH XLR Maximum analog input level 2 2 Vrms Analog input frequency response 20 Hz 20 kHz 0 5dB Analog to digital converter 24 bits 48 kHz delta Sigma Burr Brown PCM1804DB Analog output connectors Coaxial RCA C...

Page 20: ...analog output volume control Steps of 0 5 dB from 9 to 9 dB Balance control Steps of 0 5 dB Total analog inputs 1 stereo pair Total digital inputs 1 AES 3 SPDIF 1 TOSLINK Total analog outputs 2 balanced 2 unbalanced Communication port RS232 standard Remote control Infrared based common remote control as for MPA and PL L Operating temperature range 15 35 C AC supply voltage 94 132V 188 264V AC supp...

Page 21: ...o electromagnetic fields EN 61000 4 3 immunité aux ondes de choc EN 61000 4 5 level 2 1000V immunity to surge EN 61000 4 5 level 2 1000V immunité aux transitoires électriques rapides en salve sur ligne secteur EN 61000 4 4 level 2 1000V immunity to burst on mains line EN 61000 4 4 level 2 1000V immunité aux transitoires électriques rapides en salve sur lignes de signal EN 61000 4 4 level 1 500V im...

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