Radial Engineering StageBug SB-5 Manual de Usario

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To view the 3-year transferable warranty details and
product specifications please visit www.radialeng.com
StageBug SB-5 stereo direct box
USER GUIDE
Up to 100m (300’)
Stereo in
Mono out
TRS to MXLR Adapter Cables
Thank you for purchasing your very own StageBug SB-5 Laptop direct box! The SB-5 is a
super compact DI that is able to comfortably fit inside your tool kit for quick and easy
deployment in just about any situation. Although the SB-5 Laptop is designed to be plug
& play easy to use, please take a minute to read this short manual. It will give you insight
on how to best use your Radial direct box and get the most out of it.
OVERVIEW
The StageBug SB-5 is a stereo direct box that has been specifically designed to interface
your laptop, tablet, smart phone or music player with professional audio systems. It
features an integral cable that is terminated with a standard mini TRS connector along with
a cable cleat for easy storage. Using the SB-5 reduces noise, enables long cable runs
and improves the sound quality by properly matching the impedance and optimizing the
signal level of your mobile device to work with a PA system. The cool thing about the SB-5
is that it does not require any power whatsoever to make it work. It is passive. The magic
comes from two custom made isolation transformers that do all the work. You simply plug
in and hit play!
CONNECTING TO THE PA SYSTEM
Before making connections, always turn audio levels down or the PA off. This will help
eliminate turn-on transients that can damage more sensitive components like tweeters.
Unwrap the SB-5’s cable from the Sidewinder cable cleat and connect the 3.5mm (1/8”)
mini TRS connector to the stereo output on your mobile device. For best results ensure
the volume level of the device is turned up so that you get maximum signal to noise.
In many instances, a mono or single channel audio works perfectly well. An example is in
a venue where the PA system is feeding a wide audience. Stereo signals are often
impossible to enjoy unless seated in the center of the room. The SB-5 is equipped with an
auto-merge function that sums the left and right inputs to mono and delivers the signal at
the XLR. A standard XLR to XLR mic cable is of course used in this case.
USING THE GROUND LIFT
Sometimes when connecting your device to the PA via the SB-5 direct box you can
encounter noise like hum and buzz caused by ground loops. Computers are particularly
troublesome. If you encounter noise after connecting try using the ground LIFT switch.
The SB-5 outputs are transformer isolated and pushing in the LIFT switch disconnects the
audio ground between the SB-5 input and the PA system. This breaks the ground loop and
eliminates the ground loop noise.
USING THE PAD TO PREVENT DISTORTION
High output devices like laptops and MP3 players can sometimes overload certain pieces
of equipment and cause distortion. The SB-5 is equipped with a -15dB PAD that can be
inserted to reduce the input sensitivity and reduce distortion. If you encounter distortion, try
reducing the source output level. If this does not solve the problem, simply depress the
pad. It is important to note that the sound quality from a mobile device will often deteriorate
as the battery runs low. To get the best audio from your mobile devices ensure the
batteries are fully charged or powered with an AC adaptor.
DESK MOUNT BRACKET
An optional desk-mount L-bracket is available for permanent installations where the SB-5
may need to be affixed to a desk top, podium, AV cart or inside a 19rack. Simply remove
the SB-5’s cable cleat and attach the L-bracket. The symmetrical design can be used to
flush-mount with the top surface or back-mounted if need be.
For stereo operation, connect the left and right ¼TRS balanced outputs from the SB-5 to
two mic inputs on the PA system. In most cases you will find that using a pair of ¼TRS to
XLR-M adaptor cables to be the best choice. The SB-5s output is mic level and therefore
should be connected to a microphone input. Set the two PAN controls on the mixer hard
left and hard right for full stereo performance. Adjust the level to suit.

Especificaciones del producto

Marca: Radial Engineering
Categoría: No categorizado
Modelo: StageBug SB-5

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