RT122C
ELECTRIC GUITAR AMPLIFIER WITH
AGX TECHNOLOGY AND
BUILT-IN CHROMATIC TUNER
TM
User ’s Manual
Your Rocktron Rampage RT122C amplifier has been tested and complies with the following
Standards and Directives as set forth by the European Union:
Council Directive(s): 89/336/EEC, 73/23/EEC
Standard(s): EN55022, EN50082-1, EN60065
This means that this product has been designed to meet stringent guidelines on how much RF
energy it can emit, and that it should be immune from other sources of interference when
properly used. Improper use of this equipment could result in increased RF emissions, which may
or may not interfere with other electronic products.
To insure against this possibility, always use good shielded cables for all audio input connections.
This will help insure compliance with the Directive(s).
Precautions
NOTE: IT IS VERY IMPORTANT THAT YOU READ THIS SECTION TO 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 outlet when left unused for a
long period of time.
DO NOT ATTEMPT TO SERVICE THIS EQUIPMENT. THIS EQUIPMENT SHOULD
BE SERVICED BY QUALIFIED PERSONNEL ONLY. DO NOT MAKE ANY
INTERNAL ADJUSTMENTS OR ADDITIONS TO THIS EQUIPMENT AT ANY TIME.
DO NOT TAMPER WITH INTERNAL ELECTRONIC COMPONENTS AT ANY TIME.
FAILURE TO FOLLOW THESE INSTRUCTIONS MAY VOID THE WARRANTY OF
THIS EQUIPMENT, AS WELL AS CAUSING SHOCK HAZARD.
OPERATING TEMPERATURE
Do not expose this unit to excessive heat. This unit is designed to operate between 32° F and
104° F (0° C and 40° C). This unit may not function properly under extreme temperatures.
Copyright © 2000 GHS Corporation
All Rights Reserved.
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INPUT JACKS - LOW AND HIGH
1
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 dif ferent input levels. Experiment with these and adjust to your tastes.
2
PREAMP GAIN - DRIVE
Turning this knob clockwise determines the amount of gain (or distortion) added to the signal.
PREAMP GAIN - CLEAN
3
This knob controls the Clean Channel Level.
CH SELECT - Button & DRIVE LED
4
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
5
The MASTER volume control adjusts the overall sound level.
REVERB control
6
Adjusts the amount of reverb added to your guitar’s signal. T urn the knob clockwise to increase the
effect.
7
CHORUS button and ON/RATE LED
Push in to activate the CHORUS. The ON/RATE LED is illuminated when CHORUS is ON and
flashes to indicate RATE speed.
RA TE control
8
This controls the delay time for the CHORUS effect. Lower RATE settings result in slower sweep
speeds. Higher settings result in faster speeds. The ON/RATE LED flashes to indicate the rate of the
speed of the sweep.
DEPTH control
9
Controls the modulation depth for the CHORUS effect. Lower DEPTH settings (counterclockwise)
produce a more subtle detune effect, while higher settings produce a more extreme detuning effect.
TREBLE/MID/BASS controls
10
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.