Rocktron Velocity V50C Manuel utilisateur
V50C
ELECTRIC GUITAR AMPLIFIER WITH CHORUS, REVERB
AND BUILT-IN CHROMATIC TUNER
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.
Velocity is aregisteredtrademarkof GHSCorporation BattleCreek MI,USA
R
Your Rocktron Velocity V50C amplifier has been designed to comply with the following Standards
and Directives as set forth by the European Union:
CouncilDirective(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
AllRightsReserved.
NOTE:IT ISVERYIMPORTANTTHATYOUREAD THISSECTIONTOPROVIDE
YEARSOFTROUBLE FREEUSE.THIS UNITREQUIRES CAREFULHANDLING.
• Allwarningsonthisequipmentandintheoperatinginstructionsshouldbe
adheredtoandall operatinginstructions shouldbe followed.
• Donot usethis equipmentnearwater. Careshould betakenso that
objectsdonotfallandliquids arenot spilledinto theunit throughany
openings.
• Thepowercord shouldbe unpluggedfrom theoutlet whenleftunusedfor
alongperiod oftime.
• Donotblockany ventilationopenings(if applicable). Installin accordance
withthemanufacturer’sinstructions.
• Donot installnearany heatsourcessuch asradiators,heat registers,stoves
orotherapparatus(including amplifiers)thatproduce heat.
• Onlyusedattachments/accessoriesspecifiedby themanufacturer.
• Donot usethis productwith anycase, standtripod,bracket ortable thatis
notspecified bythemanufacturer. Insurethat thecase,stand, tripod,
bracketetc.isproperly adjustedandsetup (followall instructions). Extra
careand cautionshouldbe takentoavoid tipover andinjury.
• Unplugthisapparatusduringlightningstormsorwhenunusedduringlong
periodsoftime.
Referallservice toqualified servicepersonnel. Servicing isrequiredwhenthe apparatushas been
damagedin anyway, suchaspower supplyorplug isdamaged,liquid hasbeenspilled orobjectshave
falleninto theapparatus orifthe apparatushas beenexposedto rainor moisture,does notoperate
normallyor hasbeendropped.
DO NOTATTEMPTTO SERVICETHIS EQUIPMENT. THIS EQUIPMENT
SHOULD BE SERVICED BYQUALIFIED PERSONNELONLY. DO NOT MAKE
ANYINTERNALADJUSTMENTS ORADDITIONSTOTHIS EQUIPMENTAT
ANYTIME. DO NOTTAMPERWITH INTERNALELECTRONIC
COMPONENTSATANYTIME. FAILURETO FOLLOWTHESE INSTRUCTIONS
MAYVOIDTHE WARRANTYOFTHIS EQUIPMENT,ASWELLAS CAUSING
SHOCKHAZARD.
OPERATINGTEMPERATURE
Donot exposethis unittoexcessive heat. Thisunitis designedto operatebetween32° F
and104° F(0° Cand40° C). Thisunit maynotfunction properlyunder extreme
temperatures.
Precautions
HIGHINPUTjack
Thisisa highimpedenceinput jack. Connectthe outputofyour guitarto the1/4”input jackwith ashielded
guitarcable. Use thisjackif youwanta littlemore “edge”toyour input. Noteuseonly theHighor the
Lowinput, notboth atthesame time.
GAINcontrol
Thisknobdetermines theamountof GAIN(or distortion)addedtothe cleansignal. Turningthe knob
clockwisewilladd moreGAIN tothesignal. Turningtheknob counter-clockwise willdecreasetheamount
ofGAIN addedto thesignal.
CHSELECTButton /CLEAN& DIST. LEDs
ChannelSelect buttonallowsyou toselect betweentheCLEAN orthe DISTORTIONchannel. When the
CLEANLED isON (orlit) theCLEAN channelis active. Whenthe DIST.LED isON (orlit) theDIS-
TORTIONchannel isactive.
6
7
DISTORTION CHANNEL
LEVELcontrol
Thisknobdeterminesthe LEVEL(orvolume)oftheCLEAN channel. Turningtheknobclockwisewill
increasetheLEVEL of theclean channel. Turningtheknob counter-clockwise willdecreasetheLEVELof
thecleanchannel.
CLEAN CHANNEL
LOWINPUTjack
Thisis alow impedenceinputjack. Connect theoutputof yourguitarto the1/4” inputjackwith ashielded
guitarcable. Use thisjackif youwanta littleless“edge” toyour input. Noteuse onlytheHigh ortheLow
input,notbothat thesametime.
GAINcontrol
Thisknobdetermines theamountofGAIN (ordistortion)addedto the signalin thedistortionchannel.
Turningtheknobclockwisewilladdmore GAINto thesignal. Turningtheknob counter-clockwisewill
decreasethe amountof GAINaddedto thesignal.
LEVELcontrol
ThisknobdeterminestheLEVEL(orvolume)ofthe distortionchannel. Turningtheknobclockwise will
increasetheLEVEL of thedistortion channel. Turningtheknob counter-clockwise willdecrease the
LEVELofthedistortionchannel.
INPUT JACKS
FRONTPANELDESCRIPTIONS
1
2
3
4
5
9
10
11
EQUALIZATION CONTROLS
8BASScontrol
Thisknob controlsthe overallbassof boththeCLEANandDISTORTION channels. TheBASS control
boostsor cutstheamount oflow frequencies,orbass soundinthe signal.
MIDDLEcontrol
Thisknob controlsthe overallMIDDLEfrequencies ofboth theCLEANand DISTORTIONchannels.
TheMIDDLEcontrol boostsorcutsthe amountofmid-bandfrequencies presentinthesignal.
TREBLEcontrol
Thisknob controlsthe overallTREBLE ofboth theCLEANand DISTORTIONchannels. TheTREBLE
controlboostsor cutsthe amountof highfrequencies presentin thesignal.
PRESENCEcontrol
Thisknob controlsthe overallPRESENCEof boththe CLEANandDISTORTIONchannels. The PRES-
ENCEwillincrease ordecrease thedefinitionofthe notesbeingplayed.
CHORUSbutton
TheChorus buttonactivates thestereochorus. When thebutton ispushed intheChorus isON. When the
buttonis out,the Chorusis OFF.
CHORUSDEPTHcontrol
TheChorusDepth controladjusts theamount ofmodulation. Turningitclockwiseincreases thedepthof
modulation. Turningitcounter-clockwisedecreases thedepthof modulation.
CHORUSRATEcontrol
TheChorusRate controladjuststhespeed ofthemodulation. Turningthiscontrol clockwiseincreasesthe
speed. Turningit counter-clockwise decreasesthespeed.
EFFECTS and CONTROLS
12
13
14
15
16
17
REVERBcontrol
Adjuststhe amountofreverb addedtoyour guitar’s signal. Turn theknobclockwise toincreasethe effect.
HEADPHONEjack
Plugging your headphones into this jack disconnects the sound going to the speakers and allows you
to practice in private.
POWERswitch
Turns the amp ON and OFF. When the LED is lit, the amp is on.
FOOTSWITCHInputRFS1
UsingaROCKTRON RFS1footswitch(soldseparately) youcancontrolyour channelswitchingviaa
footswitchallowingyou toswitch betweentheCLEANand DISTORTIONchannels.
LINEOUT- OutputJacks- Right &Left
These1/4”output jacksprovidealine levelsignal. Thiscanallow youto plugintoarecording device,
poweramplifier, speakersimulator,PAsystem,etc. Theline outputisnotcontrolled bythemastervolume
control. Pleasefollowallmanufacturer’s instructionswhenpluggingthis productintoanyoutboarddevice.
POWERCORDPLUG
Usingthesupplied detachablepowercord, plugthe amplifierintoanystandard walloutlet. Pleasebe sure
tocheck yourlocal wiringandvoltage tomake sureyouramplifier isthe propervoltagefor yourareaofthe
world. Pleasefollowalltheprecautionguidelines foundinthefrontofthismanual. Whenreplacingthefuse,
pleasebe sureto replacethefuse withthe specificfuse asstatedon thechassis nextto thepowercord plug.
Adescriptionon howto changethe fuseiscoveredlater inthis manual.
19
BACK PANELDESCRIPTIONS
20
21
* Rocktron single (RFS1) and double (RFS2) footswitches are available and sold separately.
SPEAKEROUTPUTJacks -Right &Left
Usedto connectadditional speakercabinetsif desired. TheV50Cwill drivea 4x12andsounds awesome.
Connectonly oneadditional 8ohmcabinet perjack. Do notconnectmore thanone perjackor youwill
damageyouramp!
22
FOOTSWITCH Jacks
FOOTSWITCHInputRFS2
Usinga ROCKTRONRFS2 footswitchand astereo cord(both soldseparately) youcanturn boththe
REVERB and CHORUS effects ON and OFF.
18
Built-in Chromatic Tuner Functions
ON/OFF button
Pressthis buttontoengage thetuner function. Whentuneris “ON”theIN-TUNE (point4)LED willbe
blinking.
NOTEdisplay
Thenotes willlight dependingonthe notebeingplayed ortuned. Thedots betweenthenotes showsharp
orflat notes,such asA# orBflat orC# orDflat.
FLATArrow
Whenlit,this arrowshowsthat thenote beingtunedis FLAT.
Thebuilt-in ChromaticTuner islocatedon thetop oftheamplifier. The tuneris calibratedtoA440, stan-
dardtuning. Pleasesee belowfor functiondetails.
IN-TUNELED
Whenlit, thisgreenLED showsthatyou areIN-TUNE.
SHARP Arrow
Whenlit, thisarrow showsthatthe notebeing tunedisSHARP.
1
2
3
4
5
ToTune
1)Turnthe tuner“ON”
2)Playa noteonyour guitar. Thetuner automaticallysensesthenote beingplayedandwill showyouthe
notewhich isthe closesttothe onebeing playedbylighting theappropriateNOTE inthe NOTELED
display.
3) If thenotebeing playedis flat,theFLATArrow, willbeflashing asshown below. Thisshows by“how
much”theguitaris outof tunefromthe notebeing played(instandard 440Hztuning).
4) Tunethe string“up”untilthe centergreenLED islit. As youaretuning thestring up,theFLATArrow
willdecrease theflashing speedasyou approachthe IN-TUNELED. Oncethis GreenIN-TUNE LEDis
lit,thenoteisin tune.
5) Ifthe notebeing playedissharp, theSHARPArrow,will beflashingas shownbelow.
5) Tunethe string“down” untilthe centergreenLEDis lit. Asyouaretuning thestringdown,the SHARP
Arrowwill decreasethe flashingspeedas youapproach theIN-TUNE LED. OncethisGreen IN-TUNE
LEDislit,the noteis intune.
6) Totune thestringto asharp orflat note,suchas D#or Eflattune thestringup ordown untilthe dot
betweentheD andE(as shownbelow) islit. Theillustrationbelow showsthestring inTunetoD# (Eflat).
7) Followinstructions 3-5(above) toaccuratelytune thestringto D#(Eflat)
Power Output
Speakers
EQ Treble
Middle
Bass
Presence
Outputs: Line
Speaker
Headphone Output
Channels
Effects
Dimensions
Weight
PowerRequirements
Fuse
50 Watts (2x25)
2x 8”CustomVoicedVelocity Speakersby Rocktron
ActiveShelving
Active Bandpass
ActiveShelving
ActiveShelving
Two 1/4”jacks
Two 1/4”jacks
One 1/4” jack
CLEANand DISTORTION(FootswitchableviaRocktron
RFS1footswitch -soldseparately)
Built-inREVERBandSTEREOCHORUS (Footswitchablevia
RocktronRFS2 footswitch-sold separately)
512mm(W)x226mm(H)x 412mm(D)
20.5” x 9” x 16.5”
31.9lbs(15.5KG)
100 VoltsAC 50/60Hz or 117 VoltsAC, 60Hz
or220/240VoltsAC,50/60Hz, asspecified onchassis
100-120V - use F3A
220-240V - use F1A
V50C Specifications
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.
Fuse Replacement
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