Rocktron ACOUSTIC User 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.
USER'S MANUAL
ACOUSTICACOUSTIC
ACOUSTICACOUSTIC
ACOUSTIC
Acoustic Guitar Amplifier

Copyright©1999RocktronCorporation
All Rights Reserved.
YourRocktronRampageACOUSTICguitaramplifierhasbeentestedandcomplieswiththe
followingStandardsandDirectivesassetforthbytheEuropeanUnion:
CouncilDirective(s): 89/336/EEC,73/23/EEC
Standard(s): EN55013:1990/A12:1994,EN55020:1988,
EN60065:1993,EN60555-2:1987,EN60555-3:
1987/A1:1991
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
whenproperlyused.Improper use of this equipment could result in increased RF emis-
sions, 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.Thiswillhelp insure compliance with the Directive(s).

Contents
PRECAUTIONS ............................................................................. 1
Front Panel .................................................................................... 2
Rear Panel ..................................................................................... 4
Specifications................................................................................ 5

RocktronCorporation
2870TechnologyDrive
Rochester Hills, MI 48309
USA
Phone: [phone]
Fax: [phone]
World Wide Web: http://www.rocktron.com
E-mail: [email protected]

1
PRECAUTIONS
NOTE: ITISVERYIMPORTANTTHATYOUREADTHIS SECTIONTOPROVIDE
YEARSOFTROUBLE FREEUSE.THIS UNITREQUIRESCAREFUL HANDLING.
• Allwarningson thisequipment andin theoperatinginstructions
shouldbe adheredto andall operatinginstructions shouldbe
followed.
• Donot usethis equipmentnear water.Careshould betaken so that
objectsdo notfalland liquidsare notspilled intothe unitthrough any
openings.
• Thepowercordshould beunpluggedfromthe outletwhenleftunused
for a long period of time.
DONOTATTEMPTTOSERVICETHISEQUIPMENT. THISEQUIPMENT
SHOULDBE SERVICEDBY QUALIFIED PERSONNELONLY. DONOT MAKE
ANYINTERNALADJUSTMENTSORADDITIONSTOTHISEQUIPMENTATANY
TIME. DONOTTAMPER WITHINTERNALELECTRONIC COMPONENTS AT
ANYTIME. FAILURETOFOLLOWTHESEINSTRUCTIONSMAYVOIDTHE
WARRANTYOF THISEQUIPMENT,ASWELL ASCAUSING SHOCKHAZARD.
OPERATINGTEMPERATURE
Donot expose this unit toexcessive heat. Thisunit is designedto operate between
32°F and 104° F (0°C and 40°C). This unitmay not function properly under
extremetemperatures.

2
FrontPanel
2
1345
56
6
78
9
10 11
14
13
Channels 1 and 2
12 17
16
15
3
BALANCED input jack
Connect your microphone cable or balanced guitar output cable to
balanced XLR input.
UNBALANCED input jack
Connect your guitar output to the 1/4" input jack with a shielded guitar
cable.
PEAK LED's
The PEAK LED's are part of the input section and, when lit, indicate
that the Input level (of the guitar) is set too high. If this should occur,
reduce the level (turn GAIN control counterclockwise) until the LED
shuts off.
GAIN controls
Separate controls for Channel 1 and Channel 2 adjust the amount of
amplification in the preamp.
BASS controls
Separate BASS controls for Channel 1 or Channel 2 boost or cut the
amount of low frequency, or bass sound.
TREBLE controls
Separate TREBLE controls for Channel 1 and Channel 2 boost or cut
the high frequencies.
CHORUS - REV/EFX controls
Two volume control knobs (one for each channel) independently adjust
the level for the chorus, reverb/effect parameters.
PHANTOM POWER ON / OFF push button
This button, when pressed in, supplies 48V to the two balanced XLR
inputs.
1
2
3
4
5
6
7
8

3
MASTER EQ
MASTER
12
9
10
11
CHORUS
13
14
16
17
POWER
EQ STATUS button (ACTIVE / BYPASS)
ON/OFF button for MASTER EQ. When the button is pushed IN,
Graphic Equalizer is OFF. When the button is OUT, the Graphic
Equalizer is enabled ON.
MASTER EQ (100Hz, 250Hz, 600Hz, 3.3kHz, 10kHz)
MASTER EQ is a five band graphic equalizer. It allows you to cut or
boost the frequencies in the ranges of each of the five vertical sliding
controls.
REVERB control
Adjusts the amount of reverb or ambience added to each channel.
Turning the knob clockwise increases the level of the effect.
MASTER VOLUME control
The MASTER VOLUME control adjusts the overall sound level for each
channel. Once the tone is set, adjust the MASTER volume control for
theappropriate listening level.
CHORUS (On/Off) push button
Press the CHORUS button in to turn ON the CHORUS effect. The LED
will light to show that CHORUS is ON.
DEPTH control
The DEPTH control adjusts the amount of modulation of the CHORUS
signal. A lower depth setting will produce a more subtle detune effect
while a higher setting will produce a more extreme detuning of the
CHORUS voice.
RATE control
The RATE control adjusts the sweep speed (the speed at which the
CHORUS voice is modulated). Lower settings will result in slower
speeds while higher settings will result in faster speeds.
PHONES (Headphone) jack
Plug your headphones into this jack to bypass the power amp and
practice in private.
POWER switch
Turns the amp ON and OFF. Red LED indicates amp is ON.
15

4
Rear Panel
13
1
245
CHORUS (Footswitch jack)
To control CHORUS ON/OFF, plug a single footswitch* into the input.
REVERB (Footswitch jack)
To control REVERB ON/OFF, plug a single footswitch* into the input.
EFFECTS RETURN / SEND jacks
These 1/4" jacks allow you to connect a separate effects processor to
your amplifier.
PREAMP L/R OUTPUTS
1/4" jacks allow you to connect to other electronic equipment like
mixers, tape recorders or other amplifiers.
LINE OUT (OUTPUT)
1/4" jacks allow you to connect to other electronic equipment like
mixers, tape recorders or other amplifiers.
* RocktronRampage single (RFS1) and double (RFS2) footswitchesare
available and sold separately.
2
3
4
5

5
AcousticSpecifications
CE Approved
Power Output
Speaker Parameters
EQ Treble
Middle
Bass
Headphone Output
Output Line
Preamp
Effects Loop
Phantom Power
Dimensions
Weight
Power Requirement
Reverb
Channels
60Watts
10"Velocity®HighDefinitionbyRocktron
with 4.5" DomeTweeter
ActiveShelving
Active Bandpass
ActiveShelving
1/4" jack
1/4" jack
2 x 1/4" jacks
2 x 1/4" jacks
PushSwitch(+48V)
20" H x 1 2"W x 18"D
40.02lbs. (18.16Kg)
100 Volts AC, 50/60Hz or 117 Volts AC, 50/60Hz
or 220/240 Volts AC, 50/60Hz as specified on
chassis
Spring(Footswitchable)
2xbalancedXLRwithPhantomPower
2 x 1/4" jacks