midiplus Smartface III User manual

MIDIPLUS Co, Ltd.
http://www.midiplus.com.tw

MIDIPLUS Co, Ltd.
http://www.midiplus.com.tw
Contents
Preface................................................................................................................... 1
What’s in the Box? ............................................................................................... 1
Description of the SmartfaceⅢ：...................................................................... 1
SmartfaceⅢOverview........................................................................................ 2
Front panel........................................................................................................ 2
2 x XLR MIC and Instrument Input............................................................ 2
LINE Input (stereo)....................................................................................... 2
2 x MIC level control.................................................................................... 2
Headphone Output Jack............................................................................. 2
Headphone and Line out output level control.......................................... 3
Direct Monitor switch................................................................................... 3
Rear Panel........................................................................................................ 3
USB Jack....................................................................................................... 3
+48V Phantom power switch...................................................................... 3
LINE Output (stereo) ................................................................................... 4
MIDI I/O ......................................................................................................... 4
Connection and operating devices:........................................................... 4
USB Connection........................................................................................... 4
Connecting the SmartfaceⅢto your computer...................................... 5
MIC and INSTRUMENT Inputs.................................................................. 5
LINE Input ..................................................................................................... 5
LINE-Output (Stereo TRS Jacks).............................................................. 6
HEADPHONE-Output (Stereo Jack 6,3 mm) .......................................... 6
MIDI I/O ......................................................................................................... 6
SOFTWARE INSTALLATION........................................................................ 6
Technical Specifications.................................................................................. 7

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Preface
Thank you for purchasing the MIDIPLUS SmartfaceⅢUSB Audio
interface. This interface brings an unparalleled level of USB audio
quality to the Mac or PC, with pristine 24-bit /44.1 KHzA/D and D/A
converters, an ultra-low jitter clock, and low noise MIC/ line /hi-Z
preamp.
What’s in the Box?
The following items should be in your package.
One SmartfaceⅢ.
Owner’s Manual.
One standard USB Cable.
Description of the SmartfaceⅢ：
Simple computer connection via USB
"Class Compliant" device - NO driver installation necessary, runs directly
under Windows XP SP2, Vista,Windows 7/8 and 8.1 32 and 64 Bit
24 Bit AD/DA Converters, supported Sampling frequencies (Hz): 8000, 9600,
11025, 12000,16000, 22050, 24000, 32000, 44100
Adjustable stereo input for LINE level devices. +40 dB max
Stereo output for LINE level devices
2 x HI-Z instrument input.
2 x MIC input and MIC with +48V phantom power input switchable
Adjustable stereo headphone output for headphones.
USB Powered, i.e. power supplied via USB connection of the computer
Indicator-LEDs for clip/peak and signal

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SmartfaceⅢOverview
Front panel
2 x XLR MIC and Instrument Input
This XLR/jack combo balanced connectors accepts a microphone
level signal with a XLR jack or in the middle a TRS jack. Also it
accepts Guitar/Bass instrument levels and LINE level inputs.
Beside the MIC/TRS combo connectors there are 2 LEDs to monitor
the signal and clip levels.
LINE Input (stereo)
These inputs in the middle of the combo connector accept the LINE
level stereo signal. If you are recording a stereo LINE-level source,
plug the left channel into LINE Input 1 and the right channel into
LINE Input 2.
2 x MIC level control
This level controllers regulates the level of the signals going from the
Combo inputs.
Headphone Output Jack
This stereo jack plays back outputs 1 and 2 through the Left and
Right speakers of your headphones.

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Headphone and Line out output level control
This level control regulates the level of the output signal for the
headphone amp and the Line out.
Direct Monitor switch
Switch to select the direct monitoring. The input signal will be
directly routed to the LINE outs and headphone out. With this switch
you get a real zero latency.
Rear Panel
USB Jack
This jack connects the SmartfaceⅢto your computer, using a USB
2 (or higher) connection. It is also compatible with USB 1.1 and 3.0
ports.
+48V Phantom power switch
Switch both Mic Preamps to condensator microphones, which needs
Phantom Power to work.
Dynamic microphones will work without phantom power.

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LINE Output (stereo)
These unbalanced RCA output the signal, which is output from your
computer and should be connected to a pair of powered speakers, a
mixer or a stereo receiver.
MIDI I/O
Connect your MIDI devices to this port with a normal 5 pin DIN MIDI
cable.
Connection and operating devices:
The product case is printed with all relevant information! There are
two XLR Mic and LINE/Instruments combo sockets on the front right
side. Also you can find here the headphone out and the main volume
leveler. On the opposite side there are 2 Phono (TRS) sockets for
the Output and the MIDI I/O. Connect the LINE out sockets with a
regular Phono (TRS/RCA) cable to an amplifier. All outputs, the LINE
out and the headphone out, all provide the same mix.
USB Connection
The SmartfaceⅢcommunicates with your computer through a USB
port. It is also powered by the USB connection. Because of this, we
recommend that you plug the SmartfaceⅢinto one of the built-in
USB ports on your computer, not through a keyboard connection or
USB hub.
To connect your SmartfaceⅢ, find the open jack of an unused USB
port on your computer and connect it to the SmartfaceⅢjack with
the included USB cable. This computers USB jacks will most often
be located on a rear panel and will probably be marked with a USB
symbol. In Windows XP,Vista, Windows 7,8 and Mac OSX the

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SmartfaceⅢis class-compliant, making driver installation
optional-to begin using the SmartfaceⅢ, you may simply plug the
unit into a USB port .
However, choosing to install the Windows ASIO driver will allow the
following added functionality:
Connecting the SmartfaceⅢto your computer
Connecting the SmartfaceⅢto a computer is very easy! Simply
connect your SmartfaceⅢ, with the included USB cable, to a free
USB port on your computer. When the SmartfaceⅢis attached a
red LED lights up briefly to signal a good power supply to the
SmartfaceⅢ. The installation under Windows will then take place
automatically, a few seconds after connecting to your computer
system it will find a "USB Audio Codec" or "USB Audio Device",
which can be used in each application and adjusted in the system
control. Using the USB connection your digitized audio data can now
be transferred to your computer!
MIC and INSTRUMENT Inputs
Connect your Microphone at the XLR input or your electric guitar to
the Instrument/LINE input. If you use a Microphone, which needs
phantom power you find the phantom power switch on the back side
of the SmartfaceⅢ. You can adjust the input level of each channel of
the Microphone or Instruments with the Input levelers beside the
XLR input sockets.
LINE Input
Connect your Player device to the two TRS sockets in the middle of
the XLT/TRS combo socket.
You can connect any devices with a LINE level output, e.g. Tape

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deck or CD players.
LINE-Output (Stereo TRS Jacks)
Connect your amplifier to these outputs for monitor recordings or
sounds from the computer.
HEADPHONE-Output (Stereo Jack 6,3 mm)
Connect your headphone to this output to monitor recordings or
sounds from the computer.
MIDI I/O
Connect your MIDI devices to this port with a normal 5 pin DIN MIDI
cable.
SOFTWARE INSTALLATION
Follow these instructions to install the SmartfaceⅢdriver on
computer.
1. First connect the SmartfaceⅢto your computer using the
supplied USB cable.
2. Windows will detect the new USB device and install the USB
audio device automatically.
It is for the system build-in USB driver Install. But if you want to
install the ASIO driver for it, please do next.
3. Download the ASIO Driver
http://www.midiplus.com.tw/MIDIPLUS-Download.htm
4. Install the ASIO Drivers

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Technical Specifications
Hardware Features
Analog
Inputs
Microphone & Instrument
/ Line
In-to-USB &
USB-to-Analog Audio Stereo
Out
XLR Microphone
Balanced w/switch able
Phantom Power (+48v)
Instrument / Line
1 / 4” Balanced high-impedance
(For electric guitar & bass)
Input Channel Gain Knob
+40 dB max
Analog
Outputs
Unbalanced Outs
1/ 4” (-10 dBV nominal, +1.7
dBV max)
Power USB (no transformer or
batteries required)
Audio Performance
Supported Sampling Frequencies (Hz)
44100Hz
Outputs,
1 / 4” &
Stereo
line
Dynamic Range
＞100 dB (typical,-60dB input,
A-weighted )
S / N Ratio
＞100 dB (typical, A-weighted )
THD
-90dB (typical)
Inputs,
Inst /
Mic(Line)
Dynamic Range
＞90 dB (typical,-60 dB input,
A-weighted)
Signal-to-Noise Ratio
＞90dB (typical, A-weighted )

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The RMAATest Result:
Frequent(From 40 Hz to 15 kHz), dB:
+0.03, -0.31
Very good
Noise level, dB (A):
-91.8
Very good
Dynamic range, dB (A):
91.6
Very good
THD, %:
0.0073
Very good
IMD + Noise, %:
0.017
Very good
Stereo crosstalk, dB:
-90.6
Very good
IMD (10 kHz), %:
0.019
Excellent