Applied Research and Technology Project Series User Manual Download Page 7


 

D. 

OUTPUT LEVEL:

 Potentiometer controls the gain for chan-

nel 1/2. 

 

E. 

Input  Monitor:

  When  the  switch  is  engaged,  a  user  can 

monitor the input signal from the 1/4-inch headphone jack. 

F. 

Headphone LEVEL (OUT CH3/4):

 Allows the user to ad-

just the gain to the Headphone out jack. 

G. 

Headphone Jack:  

Access point for monitoring.  

H. 

USB Jack:

  Interface and unit power. 

I. 

MIDI INPUT/MIDI OUTPUT: MIDI access points. 

J. 

Main Output: 

Analog outputs. 

Summary of Contents for Project Series

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Page 2: ...rating instructions printed in this user manual Do not open There are no user serviceable parts inside Refer any service work to qualified technical personnel only Environment Protect from excessive dirt dust heat and vibra tion when operating and storing Avoid tobacco ash drink spill age and smoke especially that associated with smoke ma chines Handling Protect the controls from damage during tra...

Page 3: ... Equipped with high quality digital converters the USB PRE II of fers up to 32 bit 192kHz performance A single USB port is used to both power the unit and deliver audio content to your DAW making it a great option for portable recording with a laptop or mobile device Bundled with Cubase LE and a low latency ASIO driver the USB PRE II will perform at a level professionals expect while being simple ...

Page 4: ...s from 44 1k to 192kHz Low latency ASIO and WDM driver Low noise mic preamps High Z instrument inputs Zero latency monitoring Front panel headphone output MIDI Input MIDI Output Compact rugged package designed for years of trouble free use Perfect for Professional and Project Studios ...

Page 5: ... rates up to 192kHz with up to 6 streams of audio 2 in and 4 out When you access the USB PRE II s control panel you can adjust the buffer size to minimize latency for your specific computer Windows Go to www artproaudio com product usb ii to find the latest ASIO drivers Mac OS There are no additional drivers needed Cubase LE Included with your purchase is a copy of Steinberg s Cubase LE recording ...

Page 6: ...s You can use an unbalanced or balanced plug with this connection The XLR Input connections are used primarily for balanced microphone input Pin 2 is positive pin 3 is negative and pin 1 is ground B 48V Switch Phantom power is used to power Condenser microphones The 48 Volt phantom power when enabled is supplied to pins 2 and 3 and pin 1 acts the ground return Do not lift pin 1 when using phantom ...

Page 7: ... user can monitor the input signal from the 1 4 inch headphone jack F Headphone LEVEL OUT CH3 4 Allows the user to ad just the gain to the Headphone out jack G Headphone Jack Access point for monitoring H USB Jack Interface and unit power I MIDI INPUT MIDI OUTPUT MIDI access points J Main Output Analog outputs ...

Page 8: ...eadphones can be connected to via the front panel Refer to the Outputs Headphone Setup to un derstand how to route audio to the headphones 3 Set your levels Turn your level controls up with a signal present until you see the indicator rings occasionally blink ing red If you hear distortion turn the level down 4 Select the USB PRE II as your input and output in your DAW Consult with the user manual...

Page 9: ... supported The Left and Right Gain controls directly adjust the input ampli fiers giving you up to 50dB of clean gain Set the controls coun terclockwise to minimum gain when connecting the inputs The 48V Phantom Power switch provides power to the XLR input jacks when using condenser microphones Minimize pops in your system and stress on the microphone by reducing the ...

Page 10: ...ersonal monitoring through the stereo TRS Headphone jack OUT3 4 on the front panel Press the Input Monitor button to listen to the signal directly from the inputs Otherwise leave the Input Monitor off to listen to the processed signal from the computer TIP When using the Input Monitor function reduce the level on unused channels to reduce the noise in the output The Output Level OUT1 2 control all...

Page 11: ...con on the lower right side of your screen 2 To direct sound to the main outputs select USB II OUT1 2 or USBIV OUT1 2 3 To direct sound to the headphones select USB II OUT3 4 or USBIV OUT3 4 macOS 12 x Monterey 1 Open Audio MIDI Setup 2 Click in the lower left corner 3 Select Create Aggregate Device 4 Select USB IV or USB II 5 Apply labels to Output Channels 3 and 4 i e name them OUT3 and OUT4 6 C...

Page 12: ...11 macOS 11 x Big Sur and earlier 1 Open Audio MIDI Setup 2 USB II Audio Interface Output 3 Configure Speakers 4 Choose between Front Left Front Right OUT 1 2 or 3 4 OUT 3 4 5 Click Done ...

Page 13: ... output of your individual tracks to either Stereo Out OUT1 2 or Headphones OUT3 4 2 Create a Send on your track if you wish to monitor on both Stereo Out and Headphones simultaneously a On the track Inspector go to Sends b Add a send to Headphones c Ensure the Activate Deactivate Send button is set to Activate USB The USB connector provides power to the USB PRE II while delivering audio to and fr...

Page 14: ... the following adjustments in Cubase 1 Go to Studio Studio Setup 2 Click Audio System a Select the USB II or USB IV from the ASIO Driver pulldown on the right b Click Switch from the popup 3 Click USB II or USB IV on the left panel a Click Control Panel on the right side b Use the panel to select your desired sam pling rate and buffer size ...

Page 15: ...INPUT and MIDI OUTPUT jacks to pass MIDI data back and forth between your computer and devices such as MIDI keyboard controllers drum machines and sequencers The MIDI IN and MIDI OUT will show up as USB PRE II under your MIDI I O selections ...

Page 16: ... USB PRE IV implement a USB MIDI inter face to connect your instruments sequencers and other MIDI equipment to your computer Here is how the USB PRE II s MIDI presents itself in the Win dows 10 Device Manager Fig 1 Device Manager ...

Page 17: ...DI inter face look for USB PRE II or USB PRE IV This is how the USB PRE II MIDI I O shows up on a MAC using Audio MIDI setup MIDI Window As you can see there is one in put and one output that are not yet assigned Figure 2 MAC Audio MIDI setup MIDI window ...

Page 18: ...g the MIDI I O in Cubase When you want to use the MIDI interface in Cubase select the Studio Setup function and then select the MIDI Port Setup Se lect USB PRE II as seen in Fig 3 Fig 3 Cubase MIDI Port setup ...

Page 19: ...ce and setting the output to USB PRE II Once a MIDI output is assigned it will show up as an output se lection on a MIDI track and Active in the MIDI Port Setup window Fig 4 shows an example of assigning the USB PRE II MIDI out put to a GM General MIDI device Fig 4 MIDI Device Manager ...

Page 20: ...r that this product and the components thereof will be free from defects in workmanship and materials for a period of three years from the date of purchase Applied Research and Technology will without charge repair or replace at its option defective product or component parts upon prepaid delivery to the factory service department or authorized service center ac companied by proof of purchase date...

Page 21: ... T shall not be liable for any consequential damages includ ing without limitation damages resulting from loss of use Some states do not allow limitations of incidental or consequential dam ages so the above limitation or exclusion may not apply to you This warranty gives you specific rights and you may have other rights which vary from state to state For units purchased outside the United States ...

Page 22: ...tion Request to re quest a return authorization number 4 If you are returning the unit for service pack the unit in its original carton or a reasonable substitute The original packaging may not be suitable as a shipping carton so con sider putting the packaged unit in another box for shipping Print the RA number clearly on the outside of the shipping box Print your return shipping address on the o...

Page 23: ... Impedance 1M Ohms 1 4 inch input 7k Ohms XLR input Max output level 12dBu CH1 2 6 5dBu CH3 4 Output Impedance 300 Ohms balanced 1 4 inch 32 Ohms headphone stereo 1 4 inch Headphone output 60mW channel maximum Frequency Response 20Hz to 20KHz 1dB THD 0 002 20 20k ADC USB USB DAC CMRR 87dB mic 60dB line Channel Separation 75 dB Signal to Noise Ratio ADC 115dB DAC 110dB Equiv Input Noise 128 dBu typ...

Page 24: ...d PC interface Power Requirements USB 2 0 400mA Dimensions HWD 8 75 inch x 1 75 inch x 6 2 inch 222mm x 44mm x 157mm Weight 2 15 lbs 974kg Chassis Type All aluminum Note 0 dBu 0 775Vrms ART maintains a policy of constant product improvement Therefore specifications are subject to change without notice Go to www artproaudio com for the latest information and sup port on the USB PRE II Project Serie...

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