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Jd4s, Rotovibe – Dunlop Manufacturing JD4S User Manual

Page 2

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JD4S

ROTOVIBE

®

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)

DIRECTIONS
• Run a cable from your guitar to

the JD4S’ INSTRUMENT jack
and another from the JD4S’
AMPLIFIER jack to your amplifier.

• 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.

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

• 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.

DUNLOP MANUFACTURING, INC.

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

TEL: 1-707-745-2722 FAX: 1-707-745-2658

DESCRIPTION

• Rotating speaker simulator
recreates “shimmering” tones
• Popularized by many artists,
including Jimi Hendrix
• Select Chorus or Vibrato

modes with adjustable intensity

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.