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5. Bass Boost Control
Ordinary wireless systems all sound somewhat thinner (with less bass) than
hardwired. This is due to (1) natural side effects of the noise reduction circuitry
employed, and (2) lack of the high-frequency roll-off normally caused by longer
hardwired cable runs. Adjust the BASS BOOST (15) control to add back low
frequency content in your signal as desired. This is a low-pass filter, with up to 6 dB
of gain, over flat respsonse centered in the 30-300Hz, when turned fully clockwise.
The normal wireless sound is with the control left fully counterclockwise.
6. Connecting the Audio Output
The U-33B receiver provides both a fixed mic level BALANCED AUDIO OUTPUT XLR
(7) and an adjustable line level UNBALANCED AUDIO OUTPUT 1/4" JACK (10). The
level from the UNBALANCED OUTPUT is controlled by the rear panel VOLUME
CONTROL (8).
Insert an audio cord with a 1/4" mono phone plug in the UNBALANCED OUTPUT
JACK (10) on the rear panel of the receiver. Plug the other end of the cord into an
amplifier, effects, or mixing board. Adjust the VOLUME CONTROL (8) on the U-33B
receiver clockwise to maximum rotation, until the volume level is comfortable for your
application. This setting is roughly equivalent to a direct instrument cord connection.
(Note: You can connect both outputs at the same time for added versatility in use. For
example, simultaneously hook up the UNBALANCED AUDIO OUTPUT (10) to your
bass amplifier and the BALANCED AUDIO OUPUT (7) to the FOH mixer.)
(Note: As when making any connection, make sure the amplifier or mixing board
volume is at the minimum level before plugging in the receiver to avoid possible
sound system damage. Also make sure that the phantom power on the input of the
mixer is turned OFF before making connection to the receiver.)
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