
13
Tip = + posive or "hot"
Ring = - negave or "cold"
Sleeve = shield or ground
When connecng an unbalanced signal, wire them as follows:
Pin2 / Tip = + posive or "hot"
Pin 1-3 / Sleeve = shield or ground
25. INSERT SEND jack output
In combinaon with INSERT RETURN is where you connect serial eects such as compressors, equalizers, de-essers or
lters. The jack connector is unbalanced and must be connected to the input of the external processor.
26. INSERT RETURN jack input
In combinaon with INSERT SEND is where you connect serial eects such as compressors, equalizers, de-essers or lters.
The jack connector is unbalanced and must be connected to the output of the external processor.
27. INSTRUMENT Input
This is a ¼” (6.3mm) jack connector with hi-Z input impedance, which accepts a direct instrument signal or a unbalanced
line level input signal from almost any source. It is wired as follows:
Tip = + posive or “hot”
Sleeve = shield or ground
28. MICROPHONE Input
This is a female XLR connector, which accepts a balanced microphone input from almost any type of microphone. The
XLR inputs are wire as follows:
Pin 1 = shield or ground
Pin 2 = + posive or “hot”
Pin 3 = - negave or “cold”
USB SETUP (FIG. 5-6)
Windows operang systems (for Windows XP and Vista/7/8. Other versions may dier):
1. Connect the TUBE100USB with the USB connector of your computer. Windows will recognize the TUBE100USB as USB
microphone and install the required driver automacally (the drivers are always included in the operang system). This
process starts only at the rst connecon of the preamp and usually requires a simple conrmaon one or two mes.
The USB LED will light up when the preamp is properly connected to the computer.
2. Do a right-click on the speaker symbol located in the lower right corner of the desktop. Aerwards, select “Adjust
Audio Properes” (Windows XP) or “Recording Devices” (Windows Vista/7/8). Alternavely, you can access this point
via the control panel -> Sounds and Audio Devices or Hardware and Sound.
3. Windows XP: Change to the “Audio” tab and select the preamp in the eld “Sound recording”. Aerwards, push the
“Volume” buon to adjust the preamp’s volume.
Windows Vista/7/8: Select the preamp from the list. You can adjust the preamp’s volume and recording quality by
pushing the “Congure” buon.
The TUBE100USB preamp is now ready to use. However, you must select the recording device again in most audio
programs. Therefore, start the respective program and open the program’s properties. Afterwards, select the
TUBE100USB preamp as recording device.
Mac OS X:
1. Connect the preamp with the USB connector of your computer. Mac OS X will recognize the TUBE100USB and install
the required driver automacally. The USB LED will light up when the preamp is properly connected to the computer.
2. Open the “System Preferences” from the dock or the main Apple menu. Aerwards, open the Sound preference by
clicking on the “Sound” buon.
3. Change to the “Input” tab and select the preamp. The TUBE100USB is now ready to use.
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