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OPERATING INSTRUCTIONS AND REFERENCE MANUAL NAGRA

1. The Nagra EMP has two analogue inputs on XLR connectors equipped with extremely high quality microphone preamplifiers They include as one expects 48 V phantom powering and in house wound NAGRA transformers offering an improvement of 6 dB in the noise floor when set to the 2 mV Pa for dynamic microphones position Connected to a Nagra VI you obtain 6 high quality microphone inputs instead of 4 Any questions you may have concerning the Nagra EMP can be sent to us through the Contact us form on the professional side of our web site www nagraaudio com KUDELSKI GROUP NAGRAVISION Route de Gen ve 22 CH 1033 CHESEAUX SWITZERLAND Tel 441 21 732 Fax 41 21 732 0212 audio nagra com www nagraaudio com Page 4 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Power introduction The Nagra EMP can be powered by internal or external power Internal power is on 4 AA cells To install the batteries remove the bottom cover by sliding the pad Install the batteries in such away that the 2 plastic ribbons are below the cells This makes it easier to extract them later Rechargeable cells may be used but they will not be recharged by the external power supply External power enters the preamplifier via the Hirose connector The voltage must be between 9 to 13 V The minimum power needed is 3 5 W Optional Hirose cables e 2032 265 000 Hirose power cable Male Male 50 cm e 2032 266000 Hirose power cable M
2. 18 08 11 recordings in the memory of the Nagra EMP As an example the first index 110818 063453 abce0001 WAV was recorded in 2011 8 month 18 day or August 18 2011 started at 6 h 34 m 53 seconds 00 00 06 00 05 45 Copy amp save H P gt l Pr Volume 5 EMP Connected The other columns clearly show the DURATION TIME and DATE To select an index move the pointer to the index press the left mouse key To playback an index move the pointer on the index and double click the left mouse key The playback can also be started by first highlighting an index followed by pressing the green play button or simply by a double click on an index During play the fast forward or rewind keys single arrow moves the playback position inside the selected index To jump to a previous or next index use the double arrow keys The playback speed potentiometer adjusts the playback from 50 to 200 of the nominal speed The volume button controls the output level of the audio card inside the PC To select additional functions such as delete press the right mouse key A sub menu appears permitting to play delete all or delete a highlighted index Copy Burn panel Data CD Audio CD HDD AudioFiles Size Date 3 UE ype 6 To access to the Burner press the Copy Save E A A a re 66238K 2011 08 18 07 10 button in the player window Before
3. V 15 dBu for FS S5 S8 1 55 V 6 dBu for FS S6 S7 0 775 V 0 dBu for FS v180 5 CRE gt 5 om 5 om 5 Yen PA TL 5 Page 8 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 NagraEMP software installation In order to operate the built in recorder it needs to have the NAGRA EMP software installed on a PC to enable to be set up The latest version of the NAGRA EMP software can be found on our web site www nagraaudio com Connecting the Nagra EMP preamplifier to a PC on which the NAGRA EMP is NOT installed or not running will have no effect and the recorder will be invisible for the user Likewise attempting to run the NAGRAEMP software on a PC WITHOUT the Nagra preamp connected will immediately close the window a NagraEMP icon will be shown in the bottom right corner until the Nagra EMP is connected via USB Before connecting the Nagra EMP to the PC or laptop Insert the Nagra memory stick in the PC or laptop or use the downloaded version With Windows Explorer select in the memory stick EMP_Installer_Vx xxx or the downloaded version and double click to start the installation Important note If a previous NAGRA EMP software was already installed on your PC or laptop uninstall first then power down the PC or laptop and start again Once installed via the Start button All Programs select Nagra EMP and run The program st
4. Xtreme power approximately 4 hours without Phantom use and not recording e Rechargeable Sanyo 2500 mA approximately 2 hours with Phantom use charged 2 x 4 mA and recording If the batteries are not present and an external supply is connected the TEST position will turn on the red led Page 5 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Front panel description 7 ST amp REC POWER oa Le STOP 5 6 SLOW Locu A LoCut be 15 Flat SLOW 2 Vortex FAST 10 o LoCut 5Worr 8 0E 14 ga Headphone jack output amp level adjustment 1 The potentiometer adjusts the level of the headphone output only not line output The jack is a standard 6 3 mm type Input sensitivity pots and modulometers 2 amp 3 The potentiometer adjusts the input level in a range of 66 dB The modulometer above indicates the level The led s above indicates the input level and can be preset inside the preamp To do this turn off the preamplifier remove the bottom cover and adjust the selectors as required Beware that new settings will be activated only after a power off on 0 turns on at 1 dBFS YEL O turns on at 9 dBFS GRE O0 turns on at 30 dBFS 1 turns on at 2 dBFS 1 turns on at 12 dBFS 1 turns on at 39 dBFS 2 turns on at 3 dBFS 2 turns on at 15 dBFS 2 turns on at 47 dBFS 3 turns on 4 dBFS 3 turns on at 18 dBFS 4 turns on at 6 dBFS 4 turns o
5. 44 1 kHz soca files from Nagra EMP Succeeded After the downloading process the burning starts and shows the following sub Burning window seers Wait until the burning process is ended and the next sub window appears Press the OK button to terminate the burning process Cancel Ready pes files from Nagra EMP Succeeded Burnin Press the Finish button to quite the burning process Burning Succeeded Finished Once the burning process is completed the player will show a disk icon in front of each burned or copied file In case of HDD copying If the indexes need to be copied in a folder press the F icon and a new directory IS created To change the name move the pointer to New Directory and right click the mouse sub menu appears giving the possibility to delete or to rename If the new directory or an index needs to be immediately deleted highlight the folder name and click x Page 12 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Specifications Inputs Analogue inputs Microphone input sensitivity Limiters THD at 1 kHz Frequency response Input noise with condenser mic Input noise with dynamic mic Signal to noise ratio Input level adjustment range Input filters External power Outputs Analogue line output Headphones Recorder File type Memory size Other USB Host General Dimensions Weight Power supply External power consumption Battery consu
6. AV In the case that some players analysers or editors are requesting a dedicated extension apply the same rules as for the file name Once all the information is entered press the Apply button to save those settings in the EMP recorder check the status bar Date amp Time Month From the View select Date amp Time Year Hours e Using the left or right arrows row by row increment or decrement the settings Once the correct time and date is set press Apply Minutes and verify in the status bar that time amp date is updated Lite The recorder contains a built in super capacitor keeping the real time clock running even without batteries or external power It will maintain the clock for up to 90 hours If the super capacitor is totally empty due to long storage without battery pack it will need minimum one minute of charge once the Nagra EMP receives batteries or external power Page 10 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Player Remaining time File type Date wee ae Time The main functions are playback delete copy to a local hard drive USB key or even createa a CD DVD NOSIS DABAT cames AF 00 0407 06 40 44 110818 064459 abcd0003 WAV 00 01 50 06 44 59 110818 064655 _abcd0004 WAV 00 01 16 06 46 55 z 110816 064815 _abcd0005 WAV 00 00 54 06 48 15 The player shows the list Index column of 110818065349 abcd0007 WAV 00 00 26 06 53 49
7. LICABLES APPLICABLE NORMS Champ lectromagn tique rayonn Radiated electromagnetic field Immunit aux champs lectromagn tiques Immunity to electromagnetic fields Immunit aux d charges lectrostatiques Immunity to electrostatic discharges Immunit aux transitoires lectriques rapides en salves sur c bles d entr es sorties signaux Immunity to burst on input output signal line Cheseaux 3556 trimestre 2011 Cheseaux 3rd quarter 2011 Paul REBMANN Lt Teh iain EN 55022 Cl B EN 55022 CI B EN 61000 4 3 EN 61000 4 3 EN 61000 4 2 EN 61000 4 2 EN 61000 4 4 level 1 500V EN 61000 4 4 level 1 500V Page 14 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 NAGRAVISION SA KUDELSKI GROUP Route de Gen ve 22 CH 1033 Cheseaux Switzerland Phone 41 0 21 732 0101 Fax 41 0 21 732 0100 E mail audio pro nagra com All rights reserved August 2011 Page 15 of 15 Copyright NAGRAVISION S A 2011 August 19 2011
8. NAT 7 a aa 7 Rear DANS SCPI aed 8 USB CONM CIORS dd 8 Hirose DC CONN CIOR ES 8 IS OPU RES ne 8 NagraEMP sotware instalation seire e 9 Recorder SOUS vesicles cede eter seid ieee a ce habit aA ieee oe alse 9 FNC VY Oe eli ress RU 10 10 11 11 19 CE 14 Page 2 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Guarantee Warranty NAGRA KUDELSKI certifies that this instrument was thoroughly inspected and tested prior to leaving our factory and is in accordance with the data given in the accompanying test sheet We guarantee the Nagra EMP of our own manufacture against any defect arising from faulty manufacture for a period of TWO years from the date of delivery This guarantee covers the repair of confirmed defects or if necessary the replacement of the faulty parts excluding all other indemnities All freight costs as well as customs duty and other poss
9. OPERATING INSTRUCTIONS AND REFERENCE MANUAL NAGRA EMP Version Nagra EMP PC V1 024 Version Recorder V6 00 a een ee need ee eee eee eee eee es 3 Introduction tothe Nagra 4 5 a 5 ONE AI CLC AIL Ihe Se eo sde de ete cd de Da nue ee toate inde ect 5 FrOntpaneldesSCrbliO Nes Re Lens a 6 Headphone jack output level adjustment 1 6 Input sensitivity pots and modulometers 2 3 6 ESPNS Este NN ed S Aaa a a a 6 LIEK Selection 9 86 nina 6 UT a 6 INPUT sensitivity selection Ris 6 Headphone output selection 10 6 Phantom power selection 11 12 6 HOGGING 7 selection 7 Recorder control and indicator 16 cccccsseeccccecseseeceeecaeeeeeeeeeeeeeceeeseaeseceeesseeeeeeesseeeeeesssaaeeeeeesaaneeeees 7 POWET ON SWIC
10. ale Male 1 m Fuses The power supply board is accessible in the bottom of the preamplifier by removing the lower panel and is equipped with 3 fuses to protect various elements These fuses are of the OMF 63 type and manufactured by Schulter and do not require soldering Replacement fuses are available through your Nagra distributer F1 1A Spare fuse F2 1A Internal batteries F3 1A Hirose connector Power indication The power indication only operates on the internal batteries If the batteries are in place and the power button is pulled to TEST 1 or 2 of the led s above the channel 1 sensitivity adjustment will light up Green Full power 6 V to 4 5 V Green amp yellow Power 4 5 V to 4 4 V Yellow amp red Power 4 4 V to 4 2 V Yellow Power 4 2 V to 4 0 V Red Low power below 4 V Consumption on batteries 6V 240 mA or 1 44 W without Phantom use and not recording e 6V 360 mA or 2 16 W with Phantom use charged 2 x 4 mA and not recording 6V 310 mA or 1 86 W without Phantom use and recording 6V 430 mA or 2 58 W with Phantom use charged 2 x 4 mA and recording Maximum consumption on external power e 9V 310 mA or 2 79 W with Phantom use charged 2 x 4 mA and recording e 13V 205 mA or 2 67 W with Phantom use charged 2 x 4 mA and recording Autonomy on batteries e Panasonic Alkaline Xtreme power approximately 2 hours with Phantom use charged 2 x 4 mA and recording e Panasonic Alkaline
11. arts and immediately disappears it runs in the background of the PC until a Nagra EMP is connected to the USB port Connect the EMP in power off mode via the USB cable to the PC or laptop The EMP will be powered via the USB cable from the PC or laptop No need to turn on the Nagra EMP The first time it is connected the Nagra EMP will be recognised by the PC or laptop Once this is done the program starts Recorder setup The top of the screen shows the current settings of the machine status bar Pin mem D Meg NAGRA Time yer 3hOlm 38s PCM ST 44 kHz D 18 08 2011 Free 1833 MB abcdxxxx WAV T 07 09 49 6 000 PLIndex uration Time Date 0 110818 063453 abcd0001 WAV 00 05 44 06 34 53 18 08 11 110818 064044 abcd0002 WAV 00 04 07 06 40 44 18 08 11 110818 064459 abcd0003 WAY 00 01 50 06 44 59 18 08 11 110818 064655 abcd0004 WAV 00 01 16 06 46 55 18 08 11 110818 064815 abcd0005 WAV 00 00 54 06 48 15 18 08 11 110818 064926 abcd0006 WAV 00 04 18 06 49 26 18 08 11 110818 065349 abcd0007 WAV 00 00 26 06 53 49 18 08 11 00 00 06 00 05 45 Copy amp save I In this example De a gt gt I EA loos me EMP Connected The remaining recording time is 3h01m38s The file type is PCM stereo at 44 1 kHz and the recorded filenames will start with abcdxxxx The date time are August 18 2011 07h09M49s The memory status shows a free memory of 1833 MB and the software version is V6 xxx Page 9 of 15 C
12. ible charges are at the customer s expense Our guarantee 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 indirectly from the use of our products Other products sold by NAGRAVISION KUDELSKI S A are covered by the guarantee clauses of their respective manufacturers We decline any responsibility for damages resulting from the use of these products We reserve the right to modify the product and or the specifications without notice Page 3 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Introduction to the Nagra EMP The Nagra EMP is a stereo 2 channel portable preamplifier designed for classical music and film TV location recording In addition a simple 2 channel 16 bit recorder is included All controls as audio limiters filters Phantom power record are controlled from the front The front panel chassis and features were all designed using the experience of previous NAGRA recorders which render the Nagra EMP to very user friendly and comfortable to operate even in harsh environmental conditions It is powered by a 4 AA cells The autonomy without recording is approximately 4 hours No Phantom no record It is equipped with a Hirose connector allowing external power
13. mption Battery autonomy Relative humidity Page 13 of 15 Copyright NAGRAVISION S A 2011 2 x symmetrical XLR Microphone Dynamic 48V Phantom 2 8 10 and 30 mV Pa selectable Selectable on microphone inputs individual or in pairs Active at 9 5dBFS max 40dB for 2 dBFS lt 0 15 Mic lt 0 01 line 10Hz 48 kHz 0 5 dB 0 88 119 dBm 4 dB measured ASA A loaded 200Q gt 114 dB 50 dB Mic LFA with vortex filtering Low cut Hirose 4 pin connector 9 to 13 V 3 5W 2 X XLR 4 4V max selectable 0 dBm 6 dBm or 15 dBm Stereo 6 3mm 143 Jack 50 Q PCM BWF or MPEG 1 L Il 16 bit 32 to 48 kHz Stereo Mono 2 GB corresponds to 2 h 53 min in PCM BWF 48 kHz stereo USB 2 0 connector type mini USB 190 x 50 x 175 mm W x H x D 7 9X2x6 9 WxHxD 1 Kg 2 2 Ibs including batteries 4 Dry cells NimH cells AA type or external 9 13V Approximately 2 8 W 2 Phantom mic amp record Approximately 2 6 W 2 Phantom mic amp record Approximately 1 5 W at 6 V no Phantom no record Approximately 2 hours 2 Phantom mic amp record Approximately 4 hours no Phantom no record From 10 to 99 non condensing August 19 2011 CE norm DECLARATION DE CONFORMITE DECLARATION OF CONFORMITY FABRICANT NAGRAVISION S A KUDELSKI GROUP 1033 Cheseaux SUISSE MANUFACTURER NAGRAVISION S A KUDELSKI GROUP 1033 Cheseaux SWITZERLAND APPAREIL Nagra EMP MODEL Nagra EMP NORMES APP
14. n at 24 dBFS 5 turns on at 9 dBFS Factory default settings are RED at 1 dBFS YELLOW 9 dBFS GREEN at 30 dBFS Limiter activity led s 4 lf the limiter s is turned on the led s are lighting up when the limiter activates Limiter selection 5 amp 6 Permits to set the limiter to FAST or SLOW reaction time or turns it OFF The limiters start to activate at a signal level of 9 5 dBFS and from the range of 8 dB to 2 dB they compress the audio by 36 dB max 36 dB for 2 dBFS Limiter ganging 7 The upper position means ganged the down position means independent When ganged if one channel limiter is activated then the other will activate automatically irrespective of its input level Input sensitivity selection 8 amp 9 The 2 microphone inputs can be selected to one of three different sensitivity settings of 2 8 mV Pa 10 mV Pa or 30 mV Pa The 2 8 mV Pa sensitivity position goes trough a high quality Nagra input transformer and is designed for use with dynamic microphones Headphone output selection 10 Can be set to MONO or STEREO Phantom power selection 11 amp 12 Turns on or off independently for each channel the 48 V Phantom power Page 6 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Led dimmer 13 Permits to reduce the led brighiness reduces power consumption Filter selection 14 amp 15 Unlike most other pieces of equipment the Vorte
15. opyright NAGRAVISION S A 2011 August 19 2011 By selecting View the following sub windows become available e File type e Date amp Time e Player File type From the View select File type Type WAV PCM16 The file type window allows to select PCM linear or MPEG compression Channis STEREO recording Mono Stereo sampling frequency bit rate file name 4 SamplingF 44 kHz E characters and the file extension name to be selected on J e Type File name OK This is the audio recording method selection Two possibilities are File ext available PCM linear non compressed or MPEG 1 Layer Il e Channels Selection of Stereo or Mono recording When selecting mono recording both input channels will be mixed to a single channel e Sampling frequency Three selections are available 32 44 1 or 48 kHz e Bit rate The bit rate can only be selected when recording in MPEG Bit rates can be selected from 32 kb s up to 384 kb s Note that the full Subjective bandwidth is obtained if a single channel is recorded with a minimum of 128 kb s stereo recording minimum 256 kb s e File name The first four characters can be personalised To do this use the mouse and the left mouse button to highlight the characters and replace them Once changed click the OK button to enter this new information into Nagra EMP e File extension As standard all file extensions have the name xxx W
16. selecting any files first select in the Copy Burn panel if the files need to be burned on a CD DVD or Audio CD or copied to HDD Return to the main window select the files and press Copy amp save In case of CD DVD burning select the target burner in the upper right corner and add eventually a label name The lower area of the window will later on show the TE RES used size versus the total available memory Observe in the bottom left corner that the total file size stays below the maximum capacity of the CD DVD memory size opy Burn panei Data CD Audio CD HDD Total size 130 MB Return to the main window and select the files to be burned and press Copy amp Save Return to the Copy Burn panel and press the Burn button A sub window appears showing the burning status turning Follow the instructions to complete the burning process Page 11 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 The following sub window appears This informs already that the correct burner was selected and that the support inside the burner is correct Press the Start button The next sub window appears The files start to be downloaded from the Nagra Ready ead Downloading files from Nagra EMP EMP into a temporary folder before burning In the case that an audio CD burning process was requested the files will first be converted to PCM stereo
17. t as well as in MP2 The setup of the recorder as well as the download of the files is made via a Nagra EMP software on PC through the mini USB port Power on switch 17 When set to ON the led above the switch will light up When pulling the switch to TEST in the case of the use of internal batteries the left modulometer gives an indication of the battery status At the moment that the power switch is set to off the power led starts blinking for 5 seconds before the power off takes place So during a little less than 5 seconds the switch can be set to ON without switching OFF the unit Page 7 of 15 Copyright NAGRAVISION S A 2011 August 19 2011 Rear panel description lt GND Hi CHANNEL 2 i 2 CHANNEL 1 USB connector This is used for setting up the recorder via PC or for downloading the recorded files No power from the Nagra EMP is required to setup or download the recorder files Hirose DC connector Beware that the maximum power draining reaches 3 5 W recorder included and that the voltage range goes from minimum 9 V up to maximum 13 V When using the external power the internal batteries are automatically disconnected Line output XLR s The line output level can be preset inside the Nagra EMP jumpers 54 S5 S6 for CHiand S7 S8 S9 for CH2 3 levels are available To set the jumpers switch the unit off and remove the bottom panel S4 S9 4 40
18. x filter as well as the low cut filter is embedded in the very front end of the microphone preamplifier The Vortex filter specifically designed to give ultimate protection against wind boom microphone noise This filter is designed to allow the Nagra EMP to be used in the most difficult conditions on location The input filter on the Nagra EMP is a hardware filter and is therefore not software programmable The reason for this choice is simple A software programmable filter is a digital filter in the heart of the digital part of the audio chain Wind noise coming into the preamplifier will already have done its distortion and overloading directly in the preamplifier long before it gets to the digital filtering stage The filters in the Nagra EMP roll off 3 dB at 150 Hz and then at 12 dB per octave If an alternative curve is required then provision is made on the input circuit board to add capacitors accordingly and the necessary values can be supplied if necessary The low cut filter roll off 3 dB at approximately 60 Hz 3 possibilities Flat Low cut or Vortex 2 0 Lotut F Level rel dBr Ca I 6 0 j 8 0 Vortex 4 0 0 i I i 10 20 100 1k 10k 20k 40k Frequency Hz Recorder control and indicator 16 Turns on or off the built in 16 bit recorder This recorder has a built in recording capacity of 2 GB of Flash memory The recordings can be made in a PCM BWF or WAV forma

OPERATING INSTRUCTIONS AND REFERENCE MANUAL NAGRA

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