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GENERAL 

Model: American Audio® VMS4.1 - PC Media Controller

Dimensions: 

482(L) x 325(W) x 40(H) mm

      

19"(L) x 12.75(W) x 1.5"(H)

Installation:                          Place on flat surface or mount in flat case

Weight: 

13 Lbs. / 6 Kgs  

 

Power supply: 

DC 5V

      

Single  Voltage:

      

AC 100V, 50/60Hz (Japan)

      

AC 110V, 60Hz (Colombia)

      

AC 120V, 60Hz (U.S.A. and Canada)

      

AC 127V, 60Hz (Mexico)

      

AC 220V, 50Hz (Chile and Argentina)

      

AC 220V, 60Hz (Philippines and Korea)

      

AC 230V, 50Hz (Europe, New Zealand, South Africa, and Singapore)

      

AC 240V, 50Hz (Australia and U.K.) 

Power consumption: 

5W  

Environmental conditions:  Operational temperature: 5 to 35˚C (41 to 95˚F)    

      

Operational humidity: 25 to 85% RH (no condensation)    

      

Storage temperature: -10 to 60˚C (14 to 140˚F)

Accessories: 

USB 2.0 Cable 

Switching Adaptor

 

 

 

ITEM 

 NORMAL 

 LIMIT 

 CONDITION

Output level: Gain Max, EQ Flat -  1.6V +/-0.5dB  

1.6V +/-1dB

Line & Mixed Out: 

 

2.1V +/-0.5dB  

2V +/-1dB 

1KHz, 0dB

Phones: 

 1.2V 

 

  1V 

 

 1KHz, 

-20dB

Channel Balance: (From 0 to -40db For Mixed Out) - 

Line: 

 

Within 0.5dB   

Within 1dB  1KHz, 0dB

Mixed Out: 

 

Within 1dB   

Within 3dB  1KHz, 0dB

L/R Separation - 

Line: 

 97dB 

  85dB 

 1KHz, 

0dB

Mixed Out: 

 

95dB   

 

85dB   

1KHz, 0dB (Max. Out, EQ Flat)

T.H.D. + NOISE - 

Line: 

 0.025%  0.03% 

 1KHz, 

0dB

Mixed Out: 

 

0.025% 

 

0.03%  

1KHz, 0dB (Max. Out, EQ Flat)

Phones: 

 

0.045% 

 

0.05%  

1KHz, 0dB (1V Output)

S/N Ratio - 

Line: 

 97dB 

  85dB 

 1KHz, 

0dB

Mixed Out: 

 

97dB   

 

85dB   

1KHz, 0dB (Max. Out, EQ Flat)

Dynamic Range (Max. Output, EQ Flat) - 

Line: 

 96dB 

  85dB 

 1KHz,-60dB

Mixed 

Out: 

 94dB 

  85dB 

 1KHz,-60dB

Frequency Response -

Line:  

17-16KHz +/-0.3dB  17-16KHz +/-1dB 

Mixed Out: 

 

17-16KHz +/-0.3dB  17-16KHz +/-1dB

Phones Max. Output: 

 

1.6V   

 

1.4V   

1KHz, 0dB, THD=1%  

NOTES: 

Specifications and improvements in the design of this unit and this manual are subject to 

change without any prior written notice.

CHECK THE AMERICAN AUDIO WEBSITE FOR DOWNLOADABLE USER SOFTWARE 

UPDATES.

 SPECIFICATIONS

©

American Audio

®

   -   www.americanaudio.us   -   VMS4.1 Instruction Manual Page 27

Summary of Contents for VMS4.1

Page 1: ...Featuring User Guide and Reference Manual 6122 S Eastern Ave Los Angeles Ca 90040 www americanaudio us 9 11 Sampling Sampling...

Page 2: ...NTROLS 9 AUDIO INTERFACE MODE 17 EQ MODES 19 FIRMWARE UPDATE 21 COMPUTER CONNECTION 22 SET UP 24 WARRANTY 26 SPECIFICATIONS 27 Please Note All specifications and improvements to and in the design of t...

Page 3: ...American Audio DEALER The lightning flash with an arrow triangular symbol is intended to alert the user to the presence of non insulated dangerous volt age within the products enclosure and may be of...

Page 4: ...or pinched by items placed upon or against them paying particular attention to cords at plugs conveniencereceptacles andthepointwhere they exit from the product OUTDOOR ANTENNA GROUNDING If an outside...

Page 5: ...hould be connected to a power supply only of the type described in the operating instructions or as marked on the Player 7 Servicing The user should not attempt to service the Player beyond that descr...

Page 6: ...MS4 1 has been thoroughly tested and has been shipped in perfect operating condition Care fully check the shipping carton for damage that may have occurred during shipping If the carton appears to be...

Page 7: ...emperatures or high humidity 3 Try to place the unit as far as possible from TVs and tuners as the unit may cause undesir able interference 3 Connections 1 Be sure main power is connected last to prev...

Page 8: ...ter you are operating choose the Exe file for PC or the DMG file for MAC Choose your desired language and click OK Read the following information and click Next Follow the screen prompts to install th...

Page 9: ...GENERAL FUNCTIONS AND CONTROLS American Audio www americanaudio us VMS4 1 Instruction Manual Page 9 Figure 1 1 2 3 4 5 7 8 9 10 11 12 13 14 15 16 17 19 20 18 6...

Page 10: ...g a select sample Press this button plus the SHIFT button to save a loop to your selected sample 4 MIDILOG MIXER SECTION CHANNEL GAIN CONTROL This adjustment is used to adjust the audio source signal...

Page 11: ...E CONTROL This knob is used to control the pan adjust how much of the signal is sent to the left and right output level For true stereo imaging maintain the knob in the 12 o clock position BOOTH LEVEL...

Page 12: ...16 SHIFT Enables secondary MIDI command on buttons jog wheel and MIDI functions on mouse pad Example Press SHIFT and VINYL to activate Keylock 17 PITCH BEND BUTTON The pitch bend function creates a m...

Page 13: ...corresponding MIDILOG channel 25 CF ASSIGN A B CF Assign A will select the desired channel to the left side of the crossfad er CF Assign B will select the desired channel to the right side of the cros...

Page 14: ...channels with the Cue button acti vated When set to the Master position the headphones will receive the pre fader master output signal allowing you to cue the master at any output level and even if i...

Page 15: ...f more then 20ft Never connect the XLR outs and the RCA outs at the same time this may affect your output To set your desired volume use the Master volume knob 37 BOOTH OUTPUTS The VMS4 1 offers a sec...

Page 16: ...yers Mp3 players or other line level sources 40 PHONO GROUND Be sure to connect turntable ground leads to either or both of the two available ground terminals This will reduce the humming and popping...

Page 17: ...s via USB for software play through or Time Code Control set your desired VMS4 1 Channel to the USB setting and the chan nels LINE PHONO SELECTOR SWITCH 41 to the correct setting Note For the best per...

Page 18: ...Turbo mode Before powering on press and hold the CUE PLAY and PAUSE buttons on the LEFT side Hold the buttons until CHANNEL VOLUME LEVEL INDICATORS 7 light up with the code version See page 11 CHANNE...

Page 19: ...erface modes that are described on pages 19 20 In Pre EQ the USB audio signal is affected by the VMS4 1 EQ Pre EQ is the default EQ In Pre EQ mode the ASIO Driver will list the VMS4 1 device number th...

Page 20: ...computer may reinstall the VMS4 1 as a new device please allow 10 20 seconds for the change to take place Confirm the EQ change by checking the ASIO Driver configuration The first number in the sequen...

Page 21: ...your VMS4 1 1 Please check your computer audio setting and ensure that the VMS4 1 is not set as a default playback playback recording or MIDI device This will interfere with the update and software a...

Page 22: ...per device in device select window Please check your computer audio setting and ensure that the VMS4 1 is not set as a default playback play back recording or MIDI device This will interfere with the...

Page 23: ...computer NOTE Before connecting your VMS4 1 to your computer or laptop we highly recommend that you install the provided software The Virtual DJ version included with this product is specifically tail...

Page 24: ...SET UP American Audio www americanaudio us VMS4 1 Instruction Manual Page 24...

Page 25: ...handling of the VMS4 1 If you upgrade to the Innofader please make sure the power is off before upgrading to limit the chance of damage to the Innofader and or VMS4 1 during installation Replacing wi...

Page 26: ...ired or serviced by anyone other than the American Audio factory unless prior written authorization was issued to purchaser by American Audio if the product is damaged because not properly maintained...

Page 27: ...e Mixed Out 2 1V 0 5dB 2V 1dB 1KHz 0dB Phones 1 2V 1V 1KHz 20dB Channel Balance From 0 to 40db For Mixed Out Line Within 0 5dB Within 1dB 1KHz 0dB Mixed Out Within 1dB Within 3dB 1KHz 0dB L R Separati...

Page 28: ...astern Ave Los Angeles CA 90040 USA Tel 323 582 2650 Fax 323 725 6100 Web www americandj com E mail info americandj com American DJ Europe Junostraat 2 6468 EW Kerkrade Netherlands service adjgroup eu...

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