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USER'S MANUAL
APPLICATION
With a Guitar
In this set up, the guitar or bass guitar is connected to the input of the RDB-1, the link out is connected to a guitar amplifier and the main output can be connected to the microphone input
of a mixer. This is particularly helpful for bass guitarists, as most microphones cannot handle the low-frequency audio as well as we would all like. If Phantom Power between 20V and 52V is
present then the battery will automatically be disabled and the Phantom Power used in its stead.
With a Keyboard, DJ Mixer or Phones output
By using 2 RDB-1s, you can connect stereo devices directly to the RDB-1 and the outputs to your mixing console's microphone inputs (panned left and right, as appropriate). Typically, at least
one of the -20 (attenuation) buttons on each RDB-1 should be pushed in so that your FOH mixer doesn't overload. You can also use the link output to send your signal to other amplifiers. If
nothing else, the RDB-1 can act as a ground isolator or an unbalanced-to-balanced signal converter.
Unbalanced High Impedance Signals to Balanced Low Impedance
Connecting unbalanced, high impedance signals to the RDB-1 will allow you to run longer cables from your input device to your main deck without fear of picking up any ground noise or
hum.
Signal from a Power Amplifier
You can connect the output of a power amplifier to the RDB-1 (with an output up to 3000W) when no line output is available without fear of short circuiting. It's important to note, however, that
both -20 (attenuation) buttons should be pushed in. Furthermore, the Ground Lift button should be pushed in to ensure the amplifier output does not short circuit. Also, the input jack's tip should
be connected to the red terminal, and the sleeve should not touch any other equipment.
RDB-1
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