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1. Input Jack

Connect your instrument using a standard 1/4 inch 

instrument cable. 

2. Active/Passive Switch

Provides a 10 dB cut for active basses to avoid 

unwanted distortion. 

3. Gain

Controls the volume of the signal passing through the 

EQ stage. 

4.Bass

Active shelving EQ with 22 dB boost @ 40 Hz 

5. Mid

Active bandpass EQ with 17 dB boost @ 450 Hz

6. Treble

Active shelving EQ with 22 dB boost @ 3 kHz or 6 kHz

7. Treble Shift

Sets the apex for the Treble control to 3 kHz if pushed 

in, or 6 kHz if out.

8. Mid Cut Switch

Activates Mid Cut EQ. Green light is on when active. 

9. Mid Cut Level

Provides up to 8 dB of cut @ 800 Hz. When engaged, 

turning the knob all the way to the right (clockwise) 

produces no cut. Turning the knob to the left 

(counterclockwise) cuts high-mid frequencies.

10. Mute

Mutes the amplifier. Red light is on when engaged. 

11. Master Volume

Controls the overall volume of the amplifier. Other 

outputs including the DI, Tuner Out, and 

Effects Send are not affected by the Master Volume 

control.

Note: The Mute is automatically engaged when you 

turn on the amplifier so you can set your Gain level 

before sending sound through to the speakers.

Front Panel

Rear Panel

Summary of Contents for UL 901

Page 1: ...U L 9 0 1 Bass Amp ...

Page 2: ...ound you want in any playing situation Less is more When dialing in your perfect tone keep in mind just how powerful the UL 901 s controls are Nick recommends making small EQ shifts at first When it s set flat the amp will produce a precise aural picture of your bass strings and hands You might find that just a small adjustment brings your perfect tone into focus in most playing situations We also...

Page 3: ...id injury from tip over 13 Unplug this apparatus during lightning storms or when unused for long periods of time 14 Refer all servicing to a qualified service personnel Servicing is required when the apparatus has been damaged in any way such as the power supply cord or plug is damaged liquid has been spilled or objects have fallen into the apparatus the apparatus has been exposed to rain or moist...

Page 4: ... in or 6 kHz if out 8 Mid Cut Switch Activates Mid Cut EQ Green light is on when active 9 Mid Cut Level Provides up to 8 dB of cut 800 Hz When engaged turning the knob all the way to the right clockwise produces no cut Turning the knob to the left counterclockwise cuts high mid frequencies 10 Mute Mutes the amplifier Red light is on when engaged 11 Master Volume Controls the overall volume of the ...

Page 5: ...agnostic 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 th...

Page 6: ... 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 ...

Page 7: ...ng 22 dB 3 kHz or 6 kHz Mid Cut 8dB 800Hz Your UL 901 amp is covered under a limited warranty against defects in materials and workmanship for a period of 2 years This warranty is non transferable The warranty period starts from the date of purchase from an Authorized Epifani Dealer Proof of purchase from an Authorized Epifani Dealer is required for warranty service You must obtain a return author...

Page 8: ...www Epifani com ...

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