Get Ready
1. Before turning your amplifier on, always set the
MASTER VOLUME control to the zero position.
2. Turn your UL 901 on using the power switch located
on the back of the amplifier. The POWER indicator
light on the front panel will illuminate.
Note: Upon power-up, the amplifier will go through
a self-diagnostic test for about 2 seconds before it is
fully functional.
Then, the MUTE feature will engage and its light will
be illuminated red. You will also see the PEAK light
illuminate green.
4. Turn the volume controls on your instrument to their
full, or loudest positions.
5. Set the EQ controls (BASS, MID, and TREBLE) to
zero (twelve oʼclock position).
Set The Gain
6. With the MASTER VOLUME still set at zero, begin
playing aggressively while turning up the GAIN control.
When the LED light is green there is still potential to
increase the gain. When the light starts flashing red,
your input is too hot and your signal will distort.
For the cleanest sound, allow the LED indicator to
flash red intermittently while playing aggressively.
Make Some Noise
7. Disengage the MUTE button. Itʼs light will turn off.
8. Turn the MASTER VOLUME control clockwise to
the desired listening volume. At this point you should
hear your instrument through the speakers.
Sculpt Your Sound
9. By adjusting the EQ controls, the sound of your
instrument can be shaped in very subtle or very
dynamic ways.
The UL 901 pre-amp is designed to work like the
channel strip of a professional mixing console—a little
EQ goes a long way.
In fact, many sound engineers start with the EQ in the
flat position and cut rather than boost frequencies to
achieve the desired sound.
They then add gain to make up the loss of volume due
to the reduction in EQ. Cutting back is often preferred
to boosting.
10. The MID CUT level adjusts the amount of mid-
range frequencies that will be reduced when you
engage the MID CUT switch.
This feature actually gives you an additional level of
control as you change playing styles or when changing
your instrument. Itʼs almost like having a second
channel.
Questions? Visit www.Epifani.com/support and tell us how we can help.
Dialing In Your Sound
Warranty Information
Summary of Contents for UL 901
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