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CONTROLS AND I/O JACKS 

 

DRY VOL Knob 
The DRY VOL knob controls the volume of the untreated bass signal present at the 

SYNTH OUTPUT jack. 
 

SYNTH VOL Knob 
The SYNTH VOL knob controls the overall volume of the synthesizer sound at the 

SYNTH OUTPUT jack. 
 

SENS Knob 
The SENS knob adjusts the gain of the input signal before the signal hits the 

Bass Mono Synth’s trigger block. The trigger block generates synth notes that 
match the pitch of the notes you play on your bass and starts all envelope 
sweeps. It will only trigger new notes when the input signal exceeds its 

threshold. The SENS knob (short for sensitivity) allows you to change the signal’s 
amplitude to have finer control over the notes that trigger threshold.  Lower 

settings of SENS will require louder notes to trigger the synthesizer while higher 
settings of SENS might trigger new synth notes with every note you play.  As a 

tool, to help set the SENS knob, the LED lights orange when the input signal to 
the synth engine exceeds -4.6dB.  Setting the SENS knob so this LED lights 

orange on your loudest notes is a good place to start. Please note: the LED does 
not indicate when the input signal has triggered a new note, it lights only to 

indicate the loudness of the input. If many of your notes do not trigger the 
synth, then turn up SENS. If you hear many false triggers or retriggers without 

playing a new note then turn down SENS. 
 

CTRL Knob 
This knob can be used to control a specific parameter for each synth type.  See 

the TYPE DESCRIPTIONS on pages 1 and 2 to learn more. 
 

INPUT Jack 
Plug your bass or the output of another effects pedal into this ¼” jack. See Tips 1 
& 2 on Page 7 for more on connecting your Bass Mono Synth. 

 
DRY OUTPUT Jack 

The DRY OUTPUT jack is hardwired to produce a buffered version of the signal 
present at the INPUT jack. In either EFFECT or BYPASS mode, the dry signal is 

always  present  at  the  DRY  OUTPUT  jack.  The  DRY  knob  does  not  change  the 
volume of the signal at the DRY output jack. 

 
SYNTH OUTPUT Jack 

The  SYNTH  OUTPUT  jack  outputs  the  mix  set  by  the  DRY  and  SYNTH  volume 
controls. In BYPASS mode, SYNTH OUTPUT outputs the buffered bypass signal. 

 
EXP Jack 

The EXP jack accepts a TRS cable from a standard passive expression pedal.  
Each synth type has a specific parameter controlled by the expression pedal, as 

explained in the TYPE DESCRIPTIONS section.   

Summary of Contents for Bass Mono Synth

Page 1: ...et the DRY knob to the minimum fully counterclockwise and set the other top row knobs to 12 o clock Select a TYPE and step on the BYPASS footswitch to turn on the LED Play your bass and adjust controls to your liking ONE NOTE AT A TIME The Bass Mono Synth is a multi oscillator monophonic instrument It synthesizes one note at a time per oscillator The oscillators have been pre tuned for each synth ...

Page 2: ...sets the decay time of the filter envelope EXP controls the filter envelope s sweep depth or frequency range 7 WUB pulsating synth with a modulating filter CTRL sets the speed of modulation EXP controls the filter s center frequency 8 UNISON Like stacking the voices on a polyphonic synth UNISON has a huge full sound CTRL sets the decay time of the filter envelope EXP controls the cutoff frequency ...

Page 3: ...s a good place to start Please note the LED does not indicate when the input signal has triggered a new note it lights only to indicate the loudness of the input If many of your notes do not trigger the synth then turn up SENS If you hear many false triggers or retriggers without playing a new note then turn down SENS CTRL Knob This knob can be used to control a specific parameter for each synth t...

Page 4: ...tch Use this footswitch to toggle between Preset and live What You See Is What You Get WYSIWYG modes The PRESET footswitch is also used to save a preset to the current synth type set by the TYPE knob See the PRESETS section for more information on saving and recalling presets Status LED The Status LED lights while the Bass Mono Synth effect is engaged The Status LED is off when the unit is in buff...

Page 5: ...ad the preset from memory After reloading the LED will light solid red again 5 If you press and hold the PRESET footswitch while the LED is blinking red your newly edit preset will be saved to memory Press and hold the PRESET footswitch until you see the LED blink quickly EXITING PRESET MODE To exit Preset mode and return to WYSIWYG mode simply press and release the PRESET footswitch The LED will ...

Page 6: ...IFICATIONS Buffered bypass Input impedance 2 2M Output impedance for both output jacks 680 Current draw 125mA TIPS ON GETTING OPTIMUM PERFORMANCE FROM THE BASS MONO SYNTH 1 The Bass Mono Synth is generally best used as the first pedal in an effects chain Place modulation delay and reverb effects after the Bass Mono Synth The unit will not perform well if placed in the effects loop of a guitar amp ...

Page 7: ...terference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver C...

Page 8: ...ted below Customers outside the regions listed below please contact EHX Customer Service for information on warranty repairs at info ehx com or 1 718 937 8300 USA and Canadian customers please obtain a Return Authorization Number RA from EHX Customer Service before returning your product Include with your returned unit a written description of the problem as well as your name address telephone num...

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