1, 2. Effects Loop Send and Return
Use a 1/4-inch cable to connect the input of your
effects to the Send jack, and the output of your
effects to the Return jack.
3. Effects Mix
Mix between a dry (unaffected) signal and a wet
(effected) signal when using the Effects Loop.
4. Pre/Post EQ Switch
When the switch is engaged (post EQ) DI signal will be
shaped by the active EQ. When the switch is
disengaged (pre EQ), EQ will not affect DI.
5. DI Level
Adjusts the output level of the DI.
6. Power On/Off
Turns your amplifier on and off. There is a 2-second
delay as the amplifier performs a self-diagnostic.
7. Neutrik Speakon™ / 1/4” Combo Speaker Output
Connect either a Speakon twist-lock speaker cable or
1/4-inch speaker cable.
8. Tuner Out
Connect your electronic tuner via a standard 1/4-inch
instrument cable.
9. Pedal
Use a TRS 1/4-inch cable to connect the optional foot
pedal. Use the foot pedal to engage/disengage the
Mid-Cut feature and Mute.
10. Ground Lift
Disconnects the chassis ground from the DI Output to
reduce 60-cycle hum.
11. DI Output
A balanced, low impedance output. Connect a
standard XLR microphone cable to send a signal to a
mixing console or recording device.
12. Universal AC Power Port
Use the included cable to connect your UL 901 to a
standard power source.
13. T10 AL 250 Volt Fuse
Protects UL 901 from power surges that can damage
the amplifier.
Front Panel
Rear Panel
Summary of Contents for UL 901
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