Rocktron 120 User Manual
GUITAR POWER AMPLIFIER
U S E R ' S M A N U A L
U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099, 5124657, 5263091, 5268527, 5319713 and 5333201.
May be covered by one or more of the following:
Other patents pending. Foreign patents pending.
! WARNING !
The Velocity® 120 is capable of producing extremely high sound pressure levels. The
use of ear protection is essential in situations when prolonged exposure to such high sound
pressure levels occurs. Failure to use caution and/or ear protection when using this amplifier
may result in permanent hearing impairment or hearing loss. United States Government guide-
lines concerning safe noise exposure levels should be referred to before operating the ampli-
fier at high levels. The manufacturer is not responsible for any damage resulting from the use
of this product.
UNPACKING
Upon unpacking the Velocity® 120, save the carton and all the packing materials in case
it becomes necessary to ship the unit.
Be sure to thoroughly inspect your unit and its carton for any signs of damage that may
have occurred during shipment. If there are any signs of damage, contact your dealer immedi-
ately.
INSTALLATION
When installing the Velocity® 120 in your rack, it is best for ventilation and heat dissipa-
tion that the unit occupy the bottom space of your rack. It is also recommended that a vacant
space is left above the power amp, if possible, to further improve ventilation.
OPERATING TEMPERATURE
Do not expose this unit to excessively warm or cold temperatures. 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 conditions.
The lightning flash with arrowhead symbol,
appearing on the rear panel of the unit, is
intended to alert the user of this product of the
presence of uninsulated, dangerous voltage
which may be of sufficient magnitude to
constitute a risk of electric shock.
CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER (OR BACK)
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
The exclamation point symbol, which appears on
the rear panel of the unit, is intended to alert the
user of this product to the presence of important
operating and maintenance instructions in the
accompanying literature.
NO USER-SERVICABLE PARTS INSIDE
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL
Copyright ©1994 Rocktron Corporation.
All rights reserved.
Contents
Contents
Introduction.................................................................... 1
Front Panel..................................................................... 2
Rear Panel ...................................................................... 3
Connections...................................................................4
Stereo Applications ........................................................................ 4
Mono Bridged Applications.............................................................5
Operating Precautions .................................................. 6
Power Output/Speaker Load ..........................................................6
Fuse Replacement .........................................................................7
Unique Features ............................................................ 8
Automatic Short Detection .............................................................. 8
Definition Control............................................................................8
Specifications ................................................................ 9
Introduction
Introduction
Congratulations on your purchase of the Velocity® 120 guitar power
amplifier! Designed to provide maximum reliability under even the most extreme
conditions, the single-rack space Velocity
or 120 watts mono-bridged when driving an 8 ohm load.
The 120 incorporates an automatic short-detection circuit which, if a short
should occur, will automatically shut the unit down before any damage can be done
to any of its internal components. Once the problem is detected and corrected, the
unit can be turned back on and will operate normally.
In addition, the amplifier also provides a front panel Definition control for
each channel. This control adjusts a specific pre-defined frequency range which will
allow the guitar to be better distinguished from other instruments when playing with
a band.
This User's Manual details various applications and functions for the
®
Velocity
120. After reading it, please keep it for future reference.
®
120 provides 60 watts per channel stereo
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