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INPUT JACKS - LOW AND HIGH
Connect the output of your guitar to one of the 1/4”input jacks with a shielded guitar cable.  Select
LOW for normal, or HIGH for extra gain.  Plugging into the LOW input will attenuate your guitar’s
signal cooling down a “hot” guitar.  These two jacks provide slightly different input levels.  Experi-
ment with these and adjust to your tastes.

PREAMP GAIN - DRIVE
Turning this knob clockwise determines the amount of gain (or distortion) added to the signal.

PREAMP GAIN - CLEAN
This knob controls the Clean Channel Level.

CH SELECT - Button & DRIVE LED
Channel Select button - allows you to select between the DRIVE channel or the CLEAN channel.
The DRIVE LED is ON (or lit) when the DRIVE channel is active.

MASTER - Volume Control
The MASTER volume control adjusts the overall sound level.

TREBLE/MID/BASS controls
Tone controls or EQ.  The BASS control boosts or cuts the amount of low frequency, or bass sound.
TREBLE does the same for high frequencies, MID adjusts the midband frequencies.

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Front Panel

SPEAKER SIM Button
Speaker Simulator - Press this button to engage the Speaker Simulator.  This button has two functions

1) When using headphones or the line out jack on the back panel engage the Speaker Simulator for a
“model” of the internal speaker - this is ideal for direct recording or jamming along with CDs or tapes in the
headphones.

  2)  Engaging the Speaker Sim when you are NOT using headphones or the line out will provide a
“creamier” tone to the EQ section.  Experient with this and select different pickups on your guitar...there is a
wide range of tones available.

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DIGITAL EFFECTS section
Built-in digital effects custom voiced for Rampage amplifiers.  Please see “Digital Effects” section in this
manual for more descriptions of each sound and control operation.

Summary of Contents for Rampage R120DSP

Page 1: ...AND BUILT IN DIGITAL EFFECTS User s Manual May be covered by one or more of the following U S Patents 4538297 4647876 4696044 4745309 4881047 4893099 5124657 5263091 5268527 5319713 5333201 5402498 and 5493617 Other patents pending Foreign patents pending ...

Page 2: ...PROVIDE YEARS OF TROUBLE FREE USE THIS UNIT REQUIRES CAREFUL HANDLING All warnings on this equipment and in the operating instructions should be adhered to and all operating instructions should be followed Do not use this equipment near water Care should be taken so that objects do not fall and liquids are not spilled into the unit through any openings The power cord should be unplugged from the o...

Page 3: ...rall sound level TREBLE MID BASS controls Tone controls or EQ The BASS control boosts or cuts the amount of low frequency or bass sound TREBLEdoesthesameforhighfrequencies MIDadjuststhemidbandfrequencies 1 2 3 4 5 6 7 Front Panel SPEAKER SIM Button Speaker Simulator Press this button to engage the Speaker Simulator This button has two functions 1 When using headphones or the line out jack on the b...

Page 4: ...ESET LONG DECAYING REVERB with LIGHT EARLY REFLECTIONS CLEAN SLOW SONG PRESET SHORT DECAYING REVERB with HEAVY EARLY REFLECTIONS HEAVY ROCK AMBIENT PRESET MEDIUM DECAYING REVERB passing thru MEDIUM RATE TREMOLO A KILLER SURF TONE PRESET SLOW RATE CHORUS with 232 ms DELAY light REGENERATION 80 s METAL PRESET SLOW RATE CHORUS and STADIUM REVERB ROCK PRESET GOOD FOR CLEAN AND DISTORTION ACOUSTIC SLOW...

Page 5: ...Speaker Simulator is already engaged for the best sound You may also run the signal out to a power amp with volume controls and from there into a speaker cabinet This output is ideal for direct connection to a PAsystem for live performances it eliminates the need to use a microphone with the PA The line output is not controlled by themastervolumecontrol GND LIFT Switch Thisswitchelectricallyrefere...

Page 6: ...re hum and noise are dramatically reduced Power Output Speakers EQ Treble Middle Bass Outputs Line Preamp Headphone Output Effects Loop Channels Effects Dimensions NetWeight PowerRequirements 120 Watts 60 watts per side 2x10 VelocityHighDefinitionbyRocktron Active Shelving Active Bandpass Active Shelving 1 4 jack 1 4 jack 1 4 jack 2 x 1 4 jack DriveandClean Footswitchable Digital Footswitchable 15...

Page 7: ...estion 90 s all Tube 4 Channel MIDI Switchable R80DSP 80W 1x12 Amp w Digital Effects RT122C 120W 2x12 Amp w Stereo Chorus Reverb Chromatic Tuner R50DSP 40 Watt 2x8 Guitar Amp w Digital Effects R50C 40 Watt 2x8 Guitar Amp w Reverb Chorus R20 20 Watt 1x8 Amp w Reverb R10 10 Watt 1x6 5 RA50DSP 50W Acoustic Amp w Digital Effects Wedge Shape RA30DSP 30W Acoustic Amp w Digital Effects Wedge Shape RB20 B...

Page 8: ...TAR AMPLIFIER WITH AGX TECHNOLOGY AND BUILT IN DIGITAL EFFECTS Rocktron A Division of GHS Corporation 2813 WilberAvenue Battle Creek MI 49015 USA Rocktron Phone 1 269 968 3351 Email info rocktron com 2002 0002 Rev 10 2 02 ...

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