V50D
ELECTRIC GUITAR AMPLIFIER WITH DIGITAL DELAY
AND CHORUS
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 V50D 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
INPUT JACKS
1
HIGH INPUT jack
This is a high impedence input jack. Connect the output of your guitar to the 1/4” input jack with a shielded
guitar cable. Use this jack if you want a little more “edge” to your input. Note use only the High or the
Low input, not both at the same time.
2
LOW INPUT jack
This is a low impedence input jack. Connect the output of your guitar to the 1/4” input jack with a shielded
guitar cable. Use this jack if you want a little less “edge” to your input. Note use only the High or the Low
input, not both at the same time.
CLEAN CHANNEL
GAIN control
3
This knob determines the amount of GAIN (or distortion) added to the clean signal. Turning the knob
clockwise will add more GAIN to the signal. Turning the knob counter -clockwise will decrease the amount
of GAIN added to the signal.
LEVEL control
4
This knob determines the LEVEL (or volume) of the CLEAN channel. T urning the knob clockwise will
increase the LEVEL of the clean channel. Turning the knob counter-clockwise will decrease the LEVEL of
the clean channel.
CH SELECT Button /CLEAN & DIST . LEDs
5
Channel Select button allows you to select between the CLEAN or the DISTOR TION channel. When the
CLEAN LED is ON (or lit) the CLEAN channel is active. When the DIST . LED is ON (or lit) the DISTOR TION channel is active.
DISTORTION CHANNEL
GAIN control
6
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.
LEVEL control
7
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.
EQUALIZATION CONTROLS
BASS control
8
This knob controls the overall bass of both the CLEAN and DISTOR TION channels. The BASS control
boosts or cuts the amount of low frequencies, or bass sound in the signal.
MIDDLE control
9
This knob controls the overall MIDDLE frequencies of both the CLEAN and DISTOR TION channels.
The MIDDLE control boosts or cuts the amount of mid-band frequencies present in the signal.
TREBLE control
10
This knob controls the overall TREBLE of both the CLEAN and DISTOR TION channels. The TREBLE
control boosts or cuts the amount of high frequencies present in the signal.
PRESENCE control
11
This knob controls the overall PRESENCE of both the CLEAN and DISTOR TION channels. The PRESENCE will increase or decrease the definition of the notes being played.
EFFECTS and CONTROLS
CHORUS button
12
The Chorus button activates the stereo chorus. When the button is pushed in the Chorus is ON. When the
button is out, the Chorus is OFF .
13
CHORUS DEPTH control
The Chorus Depth control adjusts the amount of modulation. Turning it clockwise increases the depth of
modulation. Turning it counter -clockwise decreases the depth of modulation.
CHORUS RA TE control
14
The Chorus Rate control adjusts the speed of the modulation. T urning this control clockwise increases the
speed. Turning it counter -clockwise decreases the speed.
DELA Y button
15
The Delay button activates the digital delay . When the button is pushed in the Delay is ON. When the
button is out, the Delay is OFF .
16
DELA Y TIME control
The Delay Time control adjusts the length of delay . T urning the control clockwise increases the length of the
delay . Turning the control counter -clockwise decreases the length of the delay .
DELA Y REGEN (regeneration) control
17
The Delay Regen (regeneration) control adjusts the number of repetitions of delay effect. T urning the
control clockwise increases the number of repetitions. Turning the control counter -clockwise decreases the
number of repetitions.
DELA Y MIX contr ol
18
The Delay Mix control adjusts the overall volume of the delay effect mixed in with the dry signal. T urning
the control clockwise increases the volume/mix of the delay . Turning the control counter -clockwise decreases the volume/mix of the delay .
FRONT PANEL DESCRIPTIONS continued...
HEADPHONE jack
19
Plugging your headphones into this jack disconnects the sound going to the speakers and allows you
to practice in private.
POWER switch
20
Turns the amp ON and OFF. When the LED is lit, the amp is on.
BACK P ANEL DESCRIPTIONS
POWER CORD PLUG
21
Using the supplied detachable power cord, plug the amplifier into any standard wall outlet. Please be sure
to check your local wiring and voltage to make sure your amplifier is the proper voltage for your area of the
world. Please follow all the precaution guidelines found in the front of this manual. When replacing the fuse,
please be sure to replace the fuse with the specific fuse as stated on the chassis next to the power cord plug.
A description on how to change the fuse is covered later in this manual.
22
SPEAKER OUTPUT Jacks - Right & Left
Used to connect additional speaker cabinets if desired. The V50D will drive a 4x12 and sounds awesome.
Connect only one additional 8 ohm cabinet per jack. Do not connect more than one per jack or you will
damage your amp!
23
LINE OUT - Output Jacks - Right & Left
These 1/4” output jacks provide a line level signal. This can allow you to plug into a recording device,
power amplifier, speaker simulator , P A system, etc. The line output is not controlled by the master volume
control. Please follow all manufacturer’s instructions when plugging this product into any outboard device.
FOOTSWITCH Jacks
FOOTSWITCH Input RFS1
24
Using a ROCKTRON RFS1 footswitch (sold separately) you can control your channel switching via a
footswitch allowing you to switch between the CLEAN and DISTOR TION channels.
FOOTSWITCH Input RFS2
25
Using a ROCKTRON RFS2 footswitch and a stereo cord (both sold separately) you can turn both the
CHORUS and DELA Y effects ON and OFF .
* Rocktron Rampage single (RFS1) and double (RFS2) footswitches are available and sold
separately.
V50D Specifications
Power Output
Speakers
EQ Treble
Middle
Bass
Presence
Outputs: Line
Speaker
Headphone Output
Channels
Effects
Dimensions
50 W atts (2x25)
2 x 8” Custom Voiced V elocity Speakers by Rocktron
Active Shelving
Active Bandpass
Active Shelving
Active Shelving
T wo 1/4” jacks
T wo 1/4” jacks
One 1/4” jack
CLEAN and DISTOR TION(Footswitchable via Rocktron
RFS1 footswitch - sold separately)
Built-in Stereo Chorus and Digital Delay (Footswitchable via
Rocktron RFS2 footswitch - sold separately)
580mm(W) x 226mm(H) x 412mm(D)
23” x 9” x 16.5”
W eight
Power Requirements
Fuse
34.1lbs (15.5KG)
100 Volts AC 50/60Hz or 1 17 Volts AC, 60Hz
or 220/240 Volts AC, 50/60Hz, as specified on chassis
110-120V - Use F2A
220-240V - Use F1A
Fuse Replacement
We recommend that you use an authorized repair person to change the fuse in this unit.
To access the fuse, first power down the unit and unplug the cable from the wall outlet and the amplifier.
Using a small screw driver, open the fuse tray by prying open the small tab as shown in the drawing above.
Please note that the tray will not come all of the way out.
Remove the old fuse and replace with a comparable new fuse and close the tray being sure that the tray snaps
into position. You will find the information on the fuse used in the specifications section of this manual.
V50D
ELECTRIC GUITAR AMPLIFIER WITH
DIGITAL DELAY AND CHORUS
Rocktron -A Division of GHS Corporation
2813 Wilber Avenue
Battle Creek MI 49015
USA
Rocktron Phone: 1-(269)-968-3351
Email: info@rocktron.com
2006-0001
Rev. 8/01/06
Check us out on the web at:
www .rocktron.com
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