Electro-Harmonix Worm Instruction Manual

The Worm

Analog Modulation Pedal

Congratulations on your purchase of

The Worm

Your
adapter. Use only the power adapter that is supplied! Using the wrong adapter can cause
serious bodily injury and may damage your unit. This will void the warranty.

MODE Rotary Switch
PHASER, TREMOLO

RANGE Knob

the
Clockwise (maximum) position, the intensity of the effect will increase.

RATE Knob

turned from the Counter-Clockwise (minimum) position to the Clockwise (maximum)
position, the speed of the effect will go from slow to fast.

AUTO / MANUAL/EXP Toggle Switch

modulation use. When this switch is set to MANUAL/EXP mode, the internal
modulation waveform is disconnected from the circuit and the RANGE knob will
sweep through the effect. In addition, while in MANUAL/EXP mode, you can connect
an expression pedal or control voltage (between 0 – 5V only) to the EXP. PEDAL jack
and use the expression pedal to sweep the effects.

is four analog effects in one: Modulated Wah, Phaser, Tremolo and Vibrato.

Worm

comes equipped with a 24 volt DC (inner positive) / 100mA external power

– Selects between the four different types of effects:

and

VIBRATO

– Adjusts the amount of effect that will be applied to your signal. As

RANGE

knob is turned from the Counter-Clockwise (minimum) position to the

– Adjusts the speed of modulation for the effect. As the

The Worm

-AC ADAPTOR-

- CONTROLS -

.

, a multi-functional modulation pedal.

RATE

knob is

– Set this switch to AUTO mode for normal

WAH

,

STATUS LED and FOOTSWITCH

the same rate that the effect modulates. If the LED is off, The Worm is in True
Bypass mode. The footswitch engages/disengages the effect.

INPUT Jack

this jack is 300 k

OUTPUT Jack

impedance present at this jack is 1 k

EXP. PEDAL Jack

Control Voltage generator. The expression pedal must have a TRS plug attached to it
with the tip attached to the pedal’s wiper. The control voltage must be between 0V
and 5V. The input impedance present at this jack is 100 k

Acceptable expression pedals include: M-Audio EX-P, Moog Expression Pedal, Roland
EV-5 and Boss FV-500L.

24V PWR Jack

wart to the 24V PWR jack at the top of The Worm. Please use only the AC Adapter
that came supplied with The Worm. The Worm does not accept batteries.

– Connect your instrument to this jack. The input impedance present at

Ω

.

– Connect this jack to your amp or next effects pedal. The output

– Connect an Expression Pedal to this jack or the output from a

– Connect the output plug from the supplied 24VDC/100mA wall

– If the effect is engaged, the LED will blink at

- JACKS -

Ω

.

Ω

.