Rocktron Rampage RT122C Manual de usuario

RT122C

ELECTRIC GUITAR AMPLIFIER WITH

AGX TECHNOLOGY AND

BUILT-IN CHROMATIC TUNER

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).



AllRightsReserved.

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 WELLAS 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.

Precautions

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.

REVERB control

Adjusts the amount of reverb added to your guitar’s signal. Turn the knob clockwise to increase the

effect.

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.

DEPTH control

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

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.

1 2 3 4 5 6 7 8 9 10 11 12 13

RATE control

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.

PHONE (HEADPHONE) jack

Plugging your headphones into this jack disconnects the sound going to the speakers and allows you

to practice in private.

CHROMATIC TUNER section

This built-in Chromatic tuner allows you to tune your guitar without unplugging from your amplifier.

Please see “Built-in Chromatic Tuner Functions” for a more detailed description on how to operate

the tuner.

POWER switch & LED

Turns the amp ON and OFF. When the LED is lit, the amp is on.

CHORUS FTSW (Footswitch) Jack

Remote control CHORUS ON/OFF with a single footswitch* connected to the input with a 1/4 jack

cable.

REV/CH FTSW (Footswitch) Jack

To control CHANNEL selection, plug a single footswitch* into this jack. To control REVERB ON/

OFF and CHANNEL selection, us a double footswitch* with a stereo 1/4” jack.

EFFECTS RETURN / SEND Jack

1/4” jacks allow you to connect to an effects processor. Plug a shielded guitar cable into the SEND

jack of the RT122C into the INPUT of the “loop” section on the effects processor. Use another

shielded guitar cable from the OUTPUT of the “loop” section of the effects processor to the RE-

TURN jack on the RT122C.

PREAMP OUTPUTS - LEFT/RIGHT

1/4” jacks allow you to connect two seperate powered speaker cabinets or directly into a stereo

power amp - like the Rocktron Velocity 100 and from the power amp into two 4x12s, a stereo 4x12

or a stereo 2x12 cabinet. The preamp output is controlled by the master volume control.

LINE OUTPUTS - LEFT/RIGHT

The 1/4” jacks allow you to connect to a speaker simulator and into a PA system or recording de-

vice. You may also run the signal out to a stereo power amp with volume controls and from there

into two 4x12s, a stereo 4x12 or a stereo 2x12 cabinet. The line output is not controlled by the

master volume control.

* Rocktron Rampage single (RFS1) and double (RFS2) footswitches are available and sold

separately.

Built-in Chromatic Tuner Functions

On/Off button

Press this button to engage the tuner function. When tuner is on the LED lights will be on depending

on the note you play.

A.CALIB. button

A.Calib =Auto Calibration. To match the pitch of any instrument or audio source (like an old piano

or tape player) press the auto calibration button while playing the note on the instrument. (Note: you

might have to first tune one string on the guitar by ear to match the actual note if the piano is out of

standard tuning or if tape player you are playing along with runs slower or faster than normal). Once

you have one note on the guitar tuned to the source - simply play that note on the guitar - while the

note is “ringing” press the Auto Calibration button. The tuning pitch of the tuner will automatically

be shifted the match the pitch of the audio source. Release the button and tune the remaining strings

as normal with the tuner. The tuner at this point has automatically adjusted the tuning range to match

that pitch. To reset the tuner to standard 440Hz pitch you turn the tuner off and then back on again.

NOTE LED display:

These LEDs show the note being tuned. The LED under the note being tuned will be lit.

TUNE LED display

This series of 5 LEDs shows you if the note being played (tuned) is either sharp or flat.

To Tune:

1) Turn on tuner function

2) Play a note on your guitar. The tuner automatically senses the note being played and will show

you the note which is the closest to the one being played by lighting the appropriate LED in the

NOTE LED display.

CDEFGAB#

If the LED(s) to the right of the center green LED are lit, then the note is sharp. Tune the string

down until the center green LED is lit - the note should then be “in tune”.

3) The “TUNE LED display shows by “how much” the guitar is out of tune from the note being

played (in standard 440Hz tuning) indicated in the NOTE LED display. If the LED is to the left of

the Center green LED the note is flat. Tune the string up until the LED reaches the Center green

LED. Once this LED is reached the note is in tune.

Power Output

Speakers

EQ Treble

Middle

Bass

Outputs: Line

Preamp

Headphone Output

Effects Loop

Channels

Chorus

Reverb

Dimensions

Weight

Power Requirements

120 Watts (60 Watts per channel)

2x12” Velocity High Definition by Rocktron

PassiveShelving

Passive Bandpass

PassiveShelving

2x1/4” jack

1x4” jack

2x1/4” jack

Overdrive and Clean (Footswitchable)

Stereo (Analog BBD)(Footswitchable)

Spring (Footswitchable)

17 12/32”Hx28 35/64”Wx12 13/64”D

55.1 lbs. (25kg.)

100 Volts AC 50/60Hz or 117 Volts AC, 50/60Hz

or 220/240 Volts AC, 50/60Hz, as specified on chassis

RT122C Specifications

TUNE

Flat In Tune

Green LED Sharp

AGX (Automatic Gain Expander)

Rocktron’s patented AGX system solves the long standing problem encountered by guitar players

when using high gain distortion. The AGX circuit expands the gain of the amplification circuit only

when required based on the input level. When no signal is present, the AGX circuit expands down

the amplification level to a point where hum and noise are dramatically reduced.

Check out some of our other products:

Rack Gear:

Gainiac (preamp w/12ax7 tube)

Chameleon 2000 (preamp w/multi-effects)

Voodu Valve (preamp w/12ax7 tube and multi-effects)

Prophesy (our top of the line preamp with multi-effects)

Intellifex On Line (Multi-effects processor)

HUSH Super C (guitar noise silencing system)

Stomp Boxes:

Rampage Distortion, Tsunami Chorus, Austin Gold Overdrive, Orange Peel Phaser

HUSH The Pedal, Surf Tremolo

Guitar Amplifiers:

RepliTone (Digital GuitarAmplifier with Built-in Multi-effects)

RT80 (80W 1x12 Amp w/Reverb & Built-in Chromatic Tuner)

ACOUSTIC (60 Watt Acoustic Amp with Chorus & Reverb)

R50C (50 Watt 2x8"Guitar Amp w/Reverb & Chorus)

R20 (20 Watt 1x8"Amp w/Reverb)

R10 (10 Watt 1x6"Guitar Amp)

Foot Controllers:

MIDI Mate (Midi Foot Controller)

All Access (Midi Foot Controller)

RT122C

ELECTRIC GUITAR AMPLIFIER WITH

AGX TECHNOLOGY AND

BUILT-IN CHROMATIC TUNER

Rocktron -A Division of GHS Corporation

2813WilberAvenue

Battle Creek MI 49015

USA

Rocktron Phone: 1-(249)-860-6913

Email: [email protected]

Check us out on the web at:

www.rocktron.com

2002-0001

Rev. 9/13/02

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