Rocktron V25R User Manual

V25R

ELECTRIC GUITAR AMPLIFIER WITH REVERB

AND BUILT-IN CHROMATIC TUNER

User ’s Manual

V elocity is a registered trademark of GHS Corporation Battle Creek MI, USA

May be covered by one or more of the following: U.S. Patents #4538297, 4647876, 4696044, 4745309, 4881047, 4893099,

R

5124657, 5263091, 5268527, 5319713, 5333201, 5402498 and 5493617.

Other patents pending. Foreign patents pending.

Y our Rocktron Velocity V25R amplifier has been designed to comply with the following Standards
and Directives as set forth by the European Union:

Council Directive(s): 89/336/EEC, 73/23/EEC, 76/769/EC, 1994/62/EC, 2000/

53/EC, 2002/95/EC

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).

Copyright © 2006 GHS Corporation
All Rights Reserved.

Precautions

NOTE: IT IS VERY IMPORT ANT THA T 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 block any ventilation openings (if applicable). Install in accordance
with the manufacturer’s instructions.

• Do not install near any heat sources such as radiators, heat registers, stoves
or other apparatus (including amplifiers) that produce heat.

• Only used attachments/accessories specified by the manufacturer.

• Do not use this product with any case, stand tripod, bracket or table that is
not specified by the manufacturer . Insure that the case, stand, tripod,
bracket etc. is properly adjusted and setup (follow all instructions). Extra
care and caution should be taken to avoid tip over and injury .

• Unplug this apparatus during lightning storms or when unused during long
periods of time.

Refer all service to qualified service personnel. Servicing is required when the apparatus has been
damaged in any way , such as power supply or plug is damaged, liquid has been spilled or objects have
fallen into the apparatus or if the apparatus has been exposed to rain or moisture, does not operate
normally or has been dropped.

DO NOT ATTEMPT TO SER VICE THIS EQUIPMENT . THIS EQUIPMENT
SHOULD BE SER VICED BY QUALIFIED PERSONNEL ONLY . DO NOT MAKE
ANY INTERNAL ADJUSTMENTS OR ADDITIONS T O THIS EQUIPMENT AT
ANY TIME. DO NOT T AMPER WITH INTERNAL ELECTRONIC
COMPONENTS A T ANY TIME. F AILURE TO FOLLOW THESE INSTRUCTIONS
MA Y VOID THE W ARRANTY OF THIS EQUIPMENT , AS WELL AS CAUSING
SHOCK HAZARD.

OPERA TING TEMPERA TURE

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.

FRONT P ANEL DESCRIPTIONS

1

INPUT jack

Connect the output of your guitar to the 1/4” input jack with a shielded guitar cable.

DISTORTION CHANNEL

GAIN control

2

This knob determines the amount of GAIN (or distortion) added to the signal in the distortion channel.
Turning the knob clockwise will add more GAIN to the signal. T urning the knob counter-clockwise will
decrease the amount of GAIN added to the signal.

3

LEVEL control

This knob determines the LEVEL (or volume) of the distortion channel. T urning the knob clockwise will
increase the LEVEL of the distortion channel. T urning the knob counter-clockwise will decrease the
LEVEL of the distortion channel.

4

CH SELECT Button & LED

Channel Select button allows you to select between the DISTOR TION or the CLEAN channel. When the
Channel Select LED is ON (or lit) the DISTOR TION channel is active. When the Channel Select LED is
OFF (dark) the CLEAN channel is active.

CLEAN CHANNEL

LEVEL control

5

This knob determines the LEVEL (or volume) of the CLEAN channel. Turning the knob clockwise will
increase the LEVEL of the clean channel. Turning the knob counter-clockwise will decrease the LEVEL of
the clean channel.

EQUALIZATION CONTROLS

6

BASS control

This knob controls the overall bass of both the DISTOR TION and CLEAN channels. The BASS control
boosts or cuts the amount of low frequencies, or bass sound in the signal.

7

MIDDLE control

This knob controls the overall MIDDLE frequencies of both the DISTOR TION and CLEAN channels.
The MIDDLE control boosts or cuts the amount of mid-band frequencies present in the signal.