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outputs, and also to the 
audio software. 

the monitor and headphone 
outputs. 

OUT 3-4 

Audio software outputs 3-4 

are routed to the monitor 
and headphone outputs. 

Audio software outputs 3-4 

are not routed to monitor 
and headphone outputs.  

OUT 1-2 

Audio software outputs 1-2 

are routed to the monitor 
and headphone outputs. 

Audio software outputs 1-2 

are not routed to monitor 
and headphone outputs. 

  

DEFAULT SETTING 

From the factory, OUT 1-2 is selected. With this setting, you hear audio 

from your computer (most audio software will automatically route audio to 
outputs 1-2), but your inputs are not directly monitored. 

Monitor Source Example 

HOW TO LISTEN TO PREAMP INPUTS AND AUDIO SOFTWARE 

Select IN 1-2 to hear hardware inputs 1 and 2, and select OUT 1-2 to hear 

audio from your computer. 
 

Summary of Contents for Volt 476

Page 1: ... for Volt 476 hardware controls and connections Note To learn how to set up Volt with audio software and how to redeem your bundled software please see the Volt Software Manual Article Contents Getting Started Introduction Overview Hardware Descriptions Troubleshooting ...

Page 2: ...oal is to make your investment pay off Universal Audio s family of audio interfaces represent the best examples of what UA has stood for over its long history from its original founding in the 1950s by my father to our current vision of delivering the best of both analog and digital audio technologies Volt s best in class audio quality serves as its foundation but this is just the beginning Volt i...

Page 3: ... changing Apollo interface Volt 476 delivers superior studio sound quality with more character and tone than any USB interface in its class Get Classic Sounds with Vintage Mic Preamp Mode Few sounds can compare to a vintage Universal Audio 610 tube preamp as used to record everyone from Ray Charles to Van Halen to Arcade Fire Volt 476 gives you the rich full sound of this classic UA mic line instr...

Page 4: ...iPhone Vintage Mic Preamp mode lets you record voice or guitar with the rich full sound of a classic UA tube preamp Built in 76 Compressor adds instant clarity and punch to voice instruments and other sources with all new analog circuit based on UA s iconic 1176 Essential suite of audio and music software including Ableton Melodyne UJAM s Virtual Drummer Marshall Ampeg and more Studio quality head...

Page 5: ...ection for software downloads iPad iPhone iPadOS iOS 14 or later Volt 476 Hardware Descriptions All hardware controls connections and indicators are explained in this section Front Panel 1 XLR TRS Combo Inputs Connect your microphones instruments or line level sources here The combo input connectors accept XLR and 6 35 mm plugs ...

Page 6: ...d audio cables for the best results with balanced audio sources Balanced equipment uses three conductor wiring via TRS or XLR connectors to reduce interference and electrical noise and to provide better audio quality over longer cable runs Use TS unbalanced cables for instruments that are not balanced such as an electric guitar or bass or an unbalanced synth or sound module TS connections may also...

Page 7: ...ired with dynamic microphones or ribbon microphones phantom power can damage some ribbon microphones Note Disable phantom power before you connect or disconnect the microphone 5 Instrument Buttons INST Press these buttons to toggle the impedance and gain of the line inputs to accommodate Hi Z instruments such as electric guitar or bass These buttons are lit green when the Hi Z inputs are enabled T...

Page 8: ...o adjust the input signal level while monitoring the source that is connected so the input meter 12 shows signal but does not light red The red input LED lights when the input signal is near 0 dB Tip Clipping occurs when the signal is overloaded When clipping happens the top of the waveform is squared off creating distortion that may be unpleasant Clipping has creative uses but is usually avoided ...

Page 9: ... active The 76 Compressor lets you add clarity and punch to voice guitars and more with an analog compressor based on UA s iconic 1176 Limiting Amplifier Press the button repeatedly to cycle through the presets or disable the circuit VOC GTR FAST or OFF Note The input level increases when the compressor is active so you may want to readjust your Gain setting 10 76 Compressor Presets The indicators...

Page 10: ...ble Vintage preamp mode 4 Slowly raise the gain until you hear audible distortion 5 From that point back the gain off slightly for a subtle classic tube sound or overdrive it for the right amount of energy 11 Monitor Source Buttons Important Output pair OUT 1 2 and or OUT 3 4 must be selected to hear audio from your computer These buttons select the audio that you ll hear in the monitor and headph...

Page 11: ...irect audio from the inputs if IN sources are enabled even if no OUT sources are enabled for monitoring When any combination of both IN and OUT sources are enabled the volume from your audio software is slightly reduced so you can clearly hear your input signals The monitor source buttons work as described below Monitor Source Button Enabled Disabled IN 3 4 Hardware inputs 3 4 are routed directly ...

Page 12: ...nitor and headphone outputs Audio software outputs 1 2 are not routed to monitor and headphone outputs DEFAULT SETTING From the factory OUT 1 2 is selected With this setting you hear audio from your computer most audio software will automatically route audio to outputs 1 2 but your inputs are not directly monitored Monitor Source Example HOW TO LISTEN TO PREAMP INPUTS AND AUDIO SOFTWARE Select IN ...

Page 13: ...the level of signal on the inputs The red LED lights when the level is near 0 dB To prevent undesirable clipping adjust GAIN so only green and yellow meters light and the red LED doesn t light 14 Output Meters The output meters show the level of signal at the monitor and headphone outputs The red LED lights to indicate that the level is near 0 dB 15 Host indicator The host indicator is lit blue wh...

Page 14: ...stem to the monitor outputs Connect the left speaker to Monitor 1 L and the right speaker to Monitor 2 R You can use TS tip sleeve or TRS tip ring sleeve 6 35mm cables MONITOR NOTES The sources that you hear in the monitor and headphone outputs are assigned using the Monitor Source buttons 11 To hear your computer or software in the monitor speakers and headphones Monitor Source OUT 1 2 must be en...

Page 15: ...ed speakers or an amp with speakers 18 Line Outputs Use the line outputs for monitoring unattenuated audio directly from the software Audio can be assigned to these outputs in your software These are balanced outputs See 11 Monitor Source Buttons for related information Line Outputs 1 2 typically carry the main outputs from your software Line Outputs 3 4 must be specifically assigned as outputs fr...

Page 16: ...with the Apple Lightning to USB Camera Adapter other iPadOS and iOS devices 21 5VDC Power Use the 5VDC power supply when using Volt 476 Volt 476 may work from USB bus power but only in limited configurations 22 Power Switch Apply power to Volt with this switch 23 Kensington security slot Use with Kensington compatible security devices to secure Volt hardware Troubleshooting Problem Solution No pow...

Page 17: ...ferent USB cable Crackling audio dropouts glitches Increase the buffer size setting in the software on your computer When recording you can use direct monitoring to record without latency at higher buffer sizes PC ASIO driver not available in DAW Install the Volt hardware driver with the UA Connect app ...

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