R80DSP
ELECTRIC GUITAR AMPLIFIER WITH
AGX TECHNOLOGY 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.
Y our Rocktron Rampage R80DSP 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 © 2002 GHS Corporation
All Rights Reserved.
Front Panel
1
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 dif ferent input levels. Experiment with these and adjust to your tastes.
PREAMP GAIN - DRIVE
2
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.
MID SCOOP button
5
Provides a fixed “scoop” of the mid frequencies for a “metal” sound.
MASTER - Volume Control
6
The MASTER volume control adjusts the overall sound level.
7
TREBLE/MID/BASS controls
T one 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.
8
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.
PHONE (HEADPHONE) jack
9
Plugging your headphones into this jack disconnects the sound going to the speakers and allows you to
practice in private. Engage the Speaker Sim Button (Point 8) for a “model” of the internal speaker.
NOTE - When using with CD inputs be sure to turn the Levels down on both channels before
unplugging headphones - see CD INPUT section next page.
10
DIGIT AL 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.
11
POWER switch & LED
Turns the amp ON and OFF. When the LED is lit, the amp is on.
Digital Effects Section
1
EFFECTS MIX Control
This control allows you to adjust how much effect is added to the signal. For louder effects - turn the knob
towards the “WET” setting. For less or softer effect - turn the knob towards the “DR Y Setting.
2
EFFECTS SELECT Control
This control allows you to select 8 different effect presets that have been custom made for guitar players.
There are several different effects ranging from Chorus, Delays, Tremolo and Reverb and various combinations of those in the most popular configurations.
EFFECT
CRS REV2
ARENA
HALL
TREM REV
CRS DLY1
CRS REV1
DESCRIPTION
MEDIUM RATE CHORUS and STADIUM REVERB
HEAVY METAL MADNESS PRESET
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
CRS SLAP
ECHO
SLOW RATE CHORUS with 90ms DELAY light REGENERATION
COUNTRY CHICKEN PICKING PRESET/50’S STYLE PRESET
592ms LONG DELAY with heavy REGENERATION
MAJESTIC WAILING SOLO PRESET
Back Panel
GND LIFT Switch
1
This switch electrically references the chassis to correct the line phase in the instance where the AC wall
outlet may not be properly grounded. Set the switch to the postion that provides the least amount of “hum”.
POWER INLET Module
2
The Power Inlet module accepts the detachable power cord included with the unit.
CHAN/EFX FOOTSWITCH (Footswitch) Jack
3
T o control CHANNEL selection, plug a single footswitch* into this jack. T o control CHANNEL Selection
and DIGIT AL EFFECTS ON/OFF , use a double footswitch* with a stereo 1/4” jack.
EFFECTS LOOP - RETURN and SEND Jacks
4
1/4” jacks allow you to connect an effects processor to the R80DSP. Plug a shielded guitar cable into the
SEND jack of the R80DSP and into the INPUT on the ef fects processor. Use another shielded guitar
cable from the OUTPUT of the effects processor to the RETURN jack on the R80DSP.
PREAMP OUT - TO EXT POWER AMP
5
This 1/4” jacks allows you to connect to a seperate powered speaker cabinet or directly into a 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 OUT - TO RECORDING DEVICE
6
This 1/4” jack allows you to connect to a P A system or recording device. The Speaker Simulator should be
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 P A system for live
performances....it eliminates the need to use a microphone with the P A. The line output is not controlled by
the master volume control.
CD INPUTS
7
These two RCA jack inputs allow for a direct connection by a CD player or Tape player to the amplifier. You can then jam along with CDs or tapes to rehearse songs, learn new songs or just for fun!
Warning!!! When using Headphones with the CD inputs - make sure you turn down the
Levels on both channels BEFORE unplugging headphones - otherwise excessive CD volume
will be produced.
* Rocktron Rampage single (RFS1) and double (RFS2) footswitches are available and sold
separately.
R80DSP Specifications
Power Output
Speakers
EQ Treble
Middle
Bass
Outputs: Line
Preamp
Headphone Output
Effects Loop
Channels
Effects
Scoop
80 Watts
12” Velocity High Definition by Rocktron
Active Shelving
Active Bandpass
Active Shelving
1/4” jack
1/4” jack
1/4” jack
2 x 1/4” jack
Overdrive and Clean (Footswitchable)
Digital (Footswitchable)
Bandstop
Dimensions
Weight
Power Requirements
20”H x 12” W x 18”D (600x390x550mm)
38.38 lbs. (19kg.)
100 Volts AC 50/60Hz or 117 Volts AC, 50/60Hz
or 220/240 Volts AC, 50/60Hz, as specified on chassis
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 (pr eamp 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)
V endetta VP4 Preamp (All Tube 4-Channel Guitar pr eamp - 2 Rack Space)
Stomp Boxes:
Rampage Distortion, T sunami Chorus, Austin Gold Overdrive,
HUSH The Pedal, Banshee Talkbox, V ertigo V ibe
Electric Guitar - Acoustic Guitar and Bass Amplifiers:
V endetta Head (100 W Head 4-Channels All T ube - MIDI Switchable)
V endetta Combo (100W 2x12 Combo - Celestion 90’s all T ube -4-Channel - MIDI Switchable)
RT80 (80W 1x12 Amp w/Reverb & Built-in Tuner)
R120DSP (120W 2x10 Amp w/Digital Effects)
RT122C (120W 2x12 Amp w/Stereo Chorus, Reverb & Chromatic T uner)
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 (Basss Amp 20W with 8" Speaker) RB30 (Basss Amp 30W with 10" Speaker)
RB60 (Bass Amp 60W with 12" Speaker) RB100 (Basss Amp 100W with 15" Speaker)
Foot Controllers:
MIDI Mate (Midi Foot Controller) MIDI XChange (MIDI Footcontroller)
All Access (Midi Foot Controller RMM900(7-pin Din MIDI Cable)
RFS1 and RFS2 (Single and Double Latching Footswitchs for Rampage Amps)
Speaker Cabs:
S112 (1x12 Voiced Guitar Cab) Vendetta 4x12s( Slant & Straight w/ Celestion 30s)
R80DSP
ELECTRIC GUITAR AMPLIFIER WITH
AGX TECHNOLOGY AND
BUILT-IN DIGITAL EFFECTS
Rocktron -A Division of GHS Corporation
2813 Wilber A venue
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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