Arturia AUDIOFUSE STUDIO User Manual page 18

C6. Insert Section: These connectors let you "insert" external line-level devices such as
compressors into the signal path after the AudioFuse Studio's DiscretePro preamplifiers but
before its analog-to-digital converters. To do this, you will need to use TRS "send/return"
cables. If nothing is connected here, the DiscretePro preamp's output is automatically sent
to the digital converter.
C7. Phono/Line inputs 5-8: Connect external phono or line-level devices to these RCA and
balanced 1/4" inputs. The Phono input may not be suitable for high cartridge output levels
(typically above 5-10 mV). The AudioFuse Control Center application lets you configure the
RCA inputs to accept either standard line-level signals (like the output of your smartphone,
for example) or the output of a turntable requiring RIAA-equalization. This is done on the
main screen under the Analog Inputs > Inputs 5-6 section. Please refer to the
Control Center User Manual [p.53]
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♪: These inputs connect directly to the AudioFuse Studio's pristine analog-to-digital converters (unless
the RIAA filter is switched on inputs 5-6, in which case the signal flows through that filter first). If you
own fancy "outboard" products like a tube preamp or a vocal strip, connect them here avoid double-
amplifying your signals (once through your preamp and again through the DiscretePro preamp). Doing
so will provide the cleanest possible signal path and also leaves the DiscretePro preamplifiers free to
capture other signals.
C8. Grounding Pin: This pin is used in conjunction with the Phono inputs to create a common
ground between a turntable and the AudioFuse Studio. Be sure to always use the grounding
pin when connecting a turntable to help you avoid ground hum loops, buzzes and other
unwanted sounds in your recordings.
C9. Optical Input/Output Section: These connectors can be used to transmit and receive
ADAT and S/PDIF signals over optical cables. ADAT is a multi-channel format that carries
up to 8 channels of audio whereas S/PDIF always carries stereo (2-channel) signals. The
exact functioning of this outut is configured in the AudioFuse Control Center software under
Settings (Gear Icon) > Audio Settings > Digital I/O. Please refer to the
Center User Manual [p.45]
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♪: The ADAT standard supports up to 8 channels of audio at sampling rates of 44.1/48k. However,
when working at higher sampling rates (88.2k or 96k) each optical cable can only carry 4 channels
of audio (the format does not support 176.4k or 192k sampling rates). To overcome this limitation,
AudioFuse Studio has two separate input connectors and two separate output connectors, letting you to
transfer 8 channels of ADAT signals even if you are working at 88.2k or 96k sampling rates.
C10. WordClock & S/PDIF Section: These connectors can be used to transmit and receive
coaxial (RCA) S/PDIF signals as well as Word Clock synchronization signals. Use the
AudioFuse Control Center to define how you would like these connectors to operate. Refer
to that application's User Manual [p.45]
C11. MIDI In/Out: Connect MIDI devices here using the supplied MIDI Adapters. The MIDI
ports are available in your computer once the AudioFuse drivers are installed (these drivers
are installed along with the AudioFuse Control Center application).
C12. Kensington Lock Port: AudioFuse Studio is portable and easy to carry. However, it
should be carried away only when you want it carried away! We've included a Kensington
lock slot on the rear panel so you can secure it to the surface of your choice.
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