Dunlop Manufacturing JD4S User Manual

92500809007revD

®

JD4S ROTOVIBE

JD4S ROTOVIBE

DESCRIPTION

• Rotating speaker simulator
recreates “shimmering” tones

• Popularized by many artists,
including Jimi Hendrix

• Select Chorus or Vibrato
modes with adjustable intensity

CONTROLS

ROCKER pedal controls rate of

chorus and vibrato effects

EFFECT SELECTOR switch

toggles between chorus (green
LED) and vibrato (red LED)

INTENSITY knob controls

intensity of effects

FOOTSWITCH toggles pedal

on/bypass (green or red LED
indicates on)

POWER

The JD4S Rotovibe is powered

by one 9-volt battery (remove
bottom plate to install), a 9-volt

AC adapter such as the Dunlop

ECB003/ECB003E, or a DC Brick™
power supply.

®

DIRECTIONS

• Run a cable from your guitar to

the JD4S’ INSTRUMENT jack

and another from the JD4S’
AMPLIFIER jack to your amplier.

• To turn the pedal on/off, push

the toe of the pedal down
until you feel the “click” of the

FOOTSWITCH.

• Push the EFFECT SELECTOR

switch “in” (green LED) for chorus
effect or “out” (red LED) for

vibrato effect.

• Rotate the INTENSITY knob

clockwise to increase intensity
of effect or counterclockwise

to decrease it.

• Press the ROCKER pedal down

with your toe to increase rate

of effect, or press down on the

ROCKER pedal with your heel

to decrease rate of effect.

SPECIFICATIONS

Input Impedance 470 kΩ
Output Impedance 6 kΩ

Noise Floor*
Vibrato -98 dBV
Chorus -99 dBV

Rate Control 0.55 Hz to 9.5 Hz

Bypass Buffered

Current Draw 11 mA
Power Supply 9 volts DC

*A-weighted

DUNLOP MANUFACTURING, INC.

P.O. BOX 846 BENICIA, CA 94510 U.S.A.

TEL: [phone] FAX: [phone]