Venus 6 Series Owner Manual

8/13/2019 Venus 6 Series Owner Manual

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VENUS 6 OWNERS MANUALVersion 1.0

October, 2010


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Table of Contents

• Packing information

• Safety precautions

• Quick Start instructions

•

Front panel o High Gain input

o Low Gain input

• Channel 1 overview and controls

• Channel overview and controls

• !ever" #verview • Focus

• Presence

• Stand"y

• Power

• !ear Panel

•

$ains %nput • $ains Fuse

• H& Fuse

• 'intage($odern Switch

• Speaker #utputs

• Line #utput

• %mpedance selector

• Footswitch )ack

• *ffects Loop

• Setting *ffects Loop Levels

• Setting the output power level

•

Connecting the 'enus + ,mplifier with other gear • -riving one speaker ca"inet

• -riving internal and one e.ternal speaker ca"inet

• -riving two speaker ca"inets

• !unning two amps in parallel without a /(cord

• Slaving a second 'enus +

• Slaving a second amp or power amp • Placing a signal processor in the effects loop

• Sending a direct signal to P0,0 or recording gear

• Care and trou"leshooting

• Quick trou"leshooting guide

• &u"e care and replacement

o &u"e location chart

o &u"e function e.planation

o Checking for microphonic tu"es

o Preamp tu"e first aid

o Power amp tu"e first aid

• Specifications

• arranty

http://www.rivera.com/manuals_html/q-manual.html#SettingEffectsLoopLevelshttp://www.rivera.com/manuals_html/q-manual.html#SettingEffectsLoopLevels


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Your Rivera Amp Is An Important Part Of Your Sound

/our sound is your signature2 your mark2 your voice0 ,n amp only deserves to have your

guitar plugged into it if it can deliver the tone you want((and2 of course2 the dependa"ility

you need0 %t3s as simple as that0 ,nd it3s e.actly why you "ought your !%'*!, amp0 Forthat2 we thank you2 and we3re confident that you3ll en)oy your amp for years to come0

$any factors go into creating a great amp((e.perience2 an understanding of what guitarists

want2 and a lot of hard work0 /ou3ll notice that tone isn3t on any parts list0 !oadworthinessisn3t2 either0 ,nd there3s no law saying that an amp must sound good or "e well(made0 4ut

we dedicate ourselves to making the "est(sounding2 most relia"le amplifiers anywhere0

&hat3s why we use only the highest(5uality components2 regardless of price0 Such features

as metal )acks2 ultra(strong dadoed ca"inet construction2 and highest(5uality electroniccomponents are part of our uncompromising approach0 &hey3re chosen for their precision2

strength2 and a"ility to withstand the rigors of years of use((and occasional a"use((on the

stage and in the studio0 6o compromises are made "ecause cutting any corners((no matterhow small((means settling for second "est0 &his is the premise and promise "y which we

make amps0

&his re5uires dedication to you2 the guitarist2 and a "elief that an amp is more than a

collection of parts0 %t3s part of your sound0

Please fill in the following information for future reference7

Model Name:

Model Number:

Serial Number:Dealer's Name:

Dealer's Address:

Date of Pur!ase:

Pa"in# Information

$npa"in#

4efore you plug in2 inspect your 'enus + amp for any damage0 /our amp was inspected

and sound(tested "efore shipment2 "ut transportation can sometimes "e tough0 Check that

the FS(8 Footswitch and power cord have "een shipped with the amp0 %f parts are missing2or if any damage has occurred2 contact your dealer0

Pa"in# Materials

e designed the original "o. and packing materials to protect your amp during shipment0

Save them0 %f you ever need to send your amp to us or to anyone else2 the original "o. and

packing materials will ensure safe transit0


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Safet% Preautions

&arnin#: &o avoid the risk of shock or fire2 do not e.pose this amplifier to moisture0 -o

not remove the chassis from its ca"inet2 or remove metal covers from chassis parts0!emoving the chassis from its ca"inet e.poses e.tremely dangerous high voltages0 &here

are no user(servicea"le parts inside0 Ha9ardous voltages are present inside the chassis0!efer all servicing to 5ualified personnel0

Caution: &o avoid a fire ha9ard2 always replace the fuses with the same type and rating0

Caution: ,lways replace the line cord :mains supply; with the proper type0

Caution: ,lways turn off the amplifier "efore making or unplugging any speaker

connections0

,lways transport your amplifier securely2 prefera"ly in a suita"le flight case or packing

carton0 4efore operating your amplifier2 "e sure the speakers used are properly connected0For countries where < to 8< volts ,C is encountered2 make sure that you have the

correct power cord0 #ur =


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10 &he 'olume and $aster controls are set at low levels : is a good starting point;0

0 &he Power switch is off :the lower half is pushed in;0

=0 &he Stand"y switch is set to stand"y mode :the lower half is pushed in;0

Plu# in)

6ow plug the amp into the wall2 plug your guitar into either input )ack2 and set yourcontrols to one of the Quick Start settings outlined here0 &hen turn on the Power switch0

ait for a"out a minute for the tu"es to warm up0 &urn on the Stand"y switch0 6ow it3s

time to rock0

,fter you3ve played with your 'enus + for a while2 check out the rest of the manual forsome good tips on getting the most out of your amp0

*ui" Start Settin#s

%f you3re looking for a good starting point2 try these settings0 !emem"er that every guitar

and speaker ca"inet sounds different2 so try "oth inputs2 and ad)ust the Focus and Presenceto suit your taste0

C!annel +

$edium Gain 4lues(:$aster not pulled;

High Gain !ock(:$aster pulled for "oost;

$etal(:$aster pulled for "oost;


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C!annel ,Clean Ba99

Spanky clean(:&re"le 4right pulled;

4lackface tone(:$iddle 6otch pulled;

Classic !ock(:&re"le 4right pulled $aster 6in)a pulled;

-ront Panel

.i#! /ain input &his is a high(sensitivity input0 %f your guitar has hot pickups2 then plugging into it makes it easy to overdrive the preamp section2 creating harmonic

distortion0 Guitars e5uipped with low(output pickups seem hotter than usual when plugged

into this input0

0o( /ain input &his is a low(sensitivity input0 Guitars plugged into it have moreheadroom "efore distortion sets in :meaning that you can crank up a channel3s volume a


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little louder "efore you e.perience Preamp distortion;0 &his is a good choice for a clean

overall sound2 and is especially well(suited to active pickups or guitars e5uipped with

Preamps0

C!annel + 4oth channels are voiced differently2 and Channel 1 is definitely geared toward

creating impressive crunch and spongy lead tones while retaining a vintage feel :think of asa great 4ritish tone;0 Grit2 grunge2 dirt((whatever you3re looking for in the distortion

department is here2 from sweet and singing to hard(driving to ma.imum sustain0 6ote7 Likethe controls on all classic amps2 the &re"le2 $iddle2 and 4ass interact2 creating smooth2

musical tone changes0 ,ll three controls operate with even response throughout their

ranges0 &his amp has so much potential gain and sustain2 you should not assume that the'olume controls should "e set on a typical 1


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with the switch pushed in and pulled out0 ith the switch activated2 the tone "looms2 going

from fat to ferocious0

C!annel , Channel is e.tremely fle.i"le2 with a flavor that "rings to mind the greatclassic ,merican tones and te.tures0 /ou can get some pretty impressive "lues overdrive

distortion out of Channel too2 and as a rhythm channel it "rings out every su"tlety of your playing0 &he range of tones can "e anywhere from sparkling(clean to perfect for "luesy

rhythm((the kind of sound that has an attitude and gets meaner as you pick harder0

1olume &he 'olume kno" regulates the Preamp3s volume and works with the $aster to set

the level and distortion amount0 , simple rule of thum" is2 the higher the 'olume is set2 the

more distortion you get0

Treble 2(it! Pull ri#!t s(it!4 &his tre"le control is similar in operation to the one onChannel 10 %n addition2 it has a "uilt(in Pull 4right switch0 hen pulled out2 it adds "right

highlights to the tone0 ,s the 'olume control is increased past a"out A2 the "right switch3s

effectiveness will "e decreased0

Middle 2(it! Pull Not! s(it!4 &he midrange circuit has a slight notch in the fre5uencyspectrum at a"out AA< H92 and turning the kno" alters the depth of that notch0 %ts Pull

6otch switch shifts the fre5uency center of that notch down to a"out A< H90 :For

reference2 most 1IA


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-ous &his control is another !%'*!, e.clusive that actually lets you change the

speaker3s response characteristics2 from tight to loose0 &he effect can give closed("ack

ca"inets a sound more akin to an open one2 and vice(versa2 plus you can custom "lend theamount of hardness your final sound has0 6ew to !ivera amps2 first unveiled on Quiana is a

new Pull arm0 4y pulling this control2 the "ottom end response of the power amp

section changes as well as the high end2 giving a sweet contoured tone0 &he Focus andPresence controls will also "e modified in their sweep2 increasing their effectiveness0

Presene &he Presence control is incorporated as a vital part of the power amp section0

&hink of it as a final "rightness control after all the *Q2 distortion and effects0

Standb% 4y turning the Power on and the Stand"y off :the down position2 la"eled with a


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&his ,C line fuse protects your amplifier from damage due to shorts2 momentary surges2

and defective power tu"es0 %n the event of a fuse failure2 always replace it with the same

type of fuse0

6ote7 ,lways turn the amp off and wait a"out five minutes "efore replacing a fuse0 &his

allows the parts to cool and high voltages to dissipate0

For 1


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, speaker must always "e connected to your 'enus +0 &he amp is designed to deliver at

least =A watts to a 8(1+ ohm speaker load :with the %mpedance selector appropriately set to

match the given load;0 %f it has to drive speaker loads lower than ohms2 its outputtransformer or other components could "e damaged0 /ou can use ( or 1+(ohm e.tension

ca"inets2 either alone or in pairs :one into each speaker output;0 , (ohm speaker ca"inet

alone or a pair of 8(ohm e.tension speaker ca"inets together can "e used2 however2 it is notan optimum match2 and the %mpedance Selector Switch must "e set at it3s lowest setting2 8

ohms0 &he only time you may run the amp without a speaker connected is if you have a

proper dummy impedance load "o. plugged into the speaker output0 >sing a dummyload protects the output transformer2 "ut prolonged use shortens the life of the amp3s output

tu"es when the amp is operated at high levels00 Bust "ecause you cannot hear the amp does

not mean it is not working hard0 ,lways use a heavy(gauge speaker cord0 &he larger the

diameter of the wire2 the lesser of power to "e lost0 , shielded guitar cord can3t handle the power that your amp provides2 and therefore won3t sound right((plus it may actually harm

your amp0 !efer to the connection diagrams for further information0

6ote7 6ever use a speaker output to connect directly to the input of a mi.er2 a taperecorder2 a slave amp2 or headphones0 For further information2 refer to the hook(up

diagrams for proper connection with e.tension speaker ca"inets0

0ine Output

/our !%'*!, 'enus + amp can drive another !%'*!, amp2 power amp2 or other guitar

amplifier0 &he Line #ut is post(power amp2 so every "it of tone from your Preamp2 effects:if used;2 and power(amp circuitry is sent from this )ack0 >se a shielded cord connected

"etween the amp3s Line #ut and the input of a second amplifier :check that amp3s manual((

it may recommend a specific input;0 &he Line #ut can also "e used to feed a signal to a

tape recorder or mi.er0 ,lthough the recorder or mi.er doesn3t receive the tone that comesfrom the speaker2 it does receive all of the signal from every other stage of the amp2 and for

live(performance recording it does an e.cellent )o" of isolating your guitar sound0

6ote7 -o not connect the Line #ut to speakers or headphones0 For further information2refer to the hook(up diagrams for proper connection0

Impedane Seletor

Set the %mpedance Selector to match the impedance load of your internal speakers :

#hms;2 or a different setting when used with e.ternal ca"inets Here3s how7

8(ohm setting #ne 8(ohm ca"inet or two (ohm ca"inets :one plugged into each speakeroutput2 like an internal #hm and an e.ternal #hm;;0 >se this setting if a 8 to ohm

load is needed to drive0

(ohm setting #ne (ohm ca"inet or two 1+(ohm ca"inets :one plugged into each speaker

output2 or when using )ust the internal speakers2 #hms;0


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1+(ohm setting #ne 1+(ohm ca"inet plugged into the Speaker 1 )ack

6ote7Loads that are not matched properly may harm your amp0 %f you aren3t sure if your

speaker load is correct2 contact your !%'*!, dealer2 or call !%'*!, Customer Service0 %fune5ual speaker ca"inets loads2 i0e0 a 8 ohm ca"inet and an ohm ca"inet are used

together2 une5ual amounts of power may "e distri"uted to these ca"inets due to a nonsymmetrical load0

-oots(it! 5a"

&his (pin -%6 plug is designed to work specifically with the included FS(8 footswitch0/our 'enus + amp will function perfectly without a footswitch0 However2 the footswitch

provides a hands(free way to switch channels2 select "oost functions and effects loop on or

off0 %ts four switches control the following7

• Channel Select Channel 1K•

Gain 4oost for Channel 1• Gain 4oost for Channel

• *fffects Loop onKoff

6ote7 %f you are using the FS(8 footswitch2 all of the Front Panel switching functions

remain intact and can "e selected "y the respective controls pull(switch function0 ,lso2 the

switches and their L*-s are driven "y the amplifier3s power there is no "attery to replace

inside the FS(80

6ffets 0oop

#f course2 you can use pedals and rack(mounted effects "etween your guitar and the amp0%n fact2 that3s where most wah(wahs and other pedals sound e.ceptionally good0 However2

rack signal processors are often "est suited to "eing placed after the Preamp3s tone(shapingcircuitry0 /our 'enus3s *ffects Loop is designed to give you the "est match "etween the

amp and the processor "y allowing you to set the level of the signal going to the effect2 as

well as the one coming "ack0 &herefore2 you can tailor your ampKeffects levels for "estsignal(to(noise ratio and the amount of distortion you want0 6ote7 &he *ffects Loop send

can "e used to route a signal to a guitar tuner2 recording mi.er2 another guitar amplifiers

effects loop return :for 4i($ono amping;2 etc0

&he *ffects Loop comes after the Preamp section0 %n addition2 its low(impedance circuitry

lets you drive everything from the simplest stomp("o. effect to the most sophisticated prosignal processor with e.cellent results0 %t3s also fully "uffered2 meaning that it can drive

long cords and line(level gear and mi.ing consoles0 :4ecause the signal is electrically

un"alanced2 you can use an un"alanced(to("alanced output transformer to connect toe5uipment re5uiring a "alanced input0;

/ou can also use the *ffects Loop as a sort of power attenuator "y turning it on and

lowering the send and return level controls0 %tDs assigna"le so you can keep all your


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headroom on channel while attenuating channel 10 &his is great if you like the cranked

up master tone for thick power amp distortion leads2 at lower volumes0

4efore you connect a signal processor to your amp2 either turn the amp off or to stand"y0>se high(5uality shielded cords "etween the amp and processor0 6ever use a speaker cord0

Settin# 6ffets 0oop levels

10 ,fter you connect the amp3s Send and !eturn with the signal processor3s input and

output2 pull the !eturn kno" to activate the *ffects loop0 ,ssign it to the desired channel or

"oth0 &hen set the amp3s Send Level and !eturn Level "etween A and +0

0 Plug in your guitar2 turn the signal processor on2 and then turn on the amp :or flip the

stand"y switch;0

=0 Set the amp3s *ffects Loop Send Level and the signal processor3s input level so that you

don3t overload the processor0 ?eep your ears open for unwanted distortion from the signal processor :you3ll know it "y its crackly2 unmusical sound;0 hack a few chords on your

guitar to check that your settings are correct0

80 6ow turn up the *ffects Loop !eturn kno" until the proper volume and overdrive are

dialed in0 /ou3ll pro"a"ly have to e.periment with the signal processor3s output level untilyou get the "est sound and lowest amount of noise0

A0 $ake sure that you consider the straightKeffects "lend at the signal processor2 since all of

your Preamp3s signal is passed through the *ffects Loop0 /ou may also use the mi.

output2 if the unit has one2 ad)usting the mi. on the effects processor to suit your taste0

6ote7 %f delay sounds such as slap echo2 rever"2 and repeat delay will "e your primarychoice of effects2 usually a A


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>sing a heavy(gauge speaker cord2 connect the output )ack la"eled Speaker 1 to the speaker

input on an e.tension ca"inet with a minimum of a 8(ohm impedance and power(handlingcapacity of at least +< watts for the 'enus +0 , single ( or 1+(ohm e.tension ca"inet can

"e used2 too0 For the "est tone and ma.imum output2 we recommend using any of the!%'*!, speaker ca"inets loaded with either Celestion 'intage =sing heavy(gauge speaker cords2 connect the output )ack la"eled

Speaker to the speaker inputs on e.tension ca"inets with a minimum (ohm impedance

and power(handling capacity of +< watts0 Set the 'enus +3s %mpedance Selector to 8 ohms0

Drivin# t(o spea"er abinets

%n this configuration2 the 'enus + is driving two speaker ca"inets with identical

impedance3s0 >sing heavy(gauge speaker cords2 connect the output )acks la"eled Speaker 1and Speaker to the speaker inputs on e.tension ca"inets with a minimum (ohm

impedance and power(handling capacity of +< watts0 /ou can also hook up two 1+(ohm

ca"inets2 "ut avoid if possi"le the use of two 8(ohm ca"inets2 "ecause the overallimpedance load will "e "elow what is optimum for the amplifier and sustained use could

result in overheating damage0 hen using two (ohm ca"inets2 set the 'enus3s %mpedance

Selector to 8 ohms0 hen using two 1+(ohm ca"inets2 set it to ohms0


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Runnin# t(o amps in parallel (it!out a Y3ord

&he Preamp and output amp sections2 as well as all controls2 function normally in thissetup0 >se a shielded cord0 6ote7 $ake sure speaker ca"inets are connected to "oth

!%'*!, amps0

Slavin# a seond 1enus 7

>sing a shielded cord2 connect the first !%'*!,3s Line #ut to the *ffects Loop !eturn

)ack on a second !%'*!,0 ,d)usting the !eturn Level of the second amp sets the relative

volume of the second amp0 ,ll tone and distortion ad)ustments are made "y the first amp0,lternatively2 you can use the *ffects Loop Send )ack from the first amp instead of its Line

#ut0 &he Send Level control sets the signal level "eing sent to the second amp0 6ote7 $ake

sure that at least one speaker ca"inet is connected to each amp at all times0

Slavin# a seond amp or po(er amp


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Connect a shielded cord from your 'enus3s Line #ut to the Power ,mp %n or *ffects Loop

!eturn of a second amp0 ,ll volume and tone changes made on the 'enus + will affect

what comes out of the second amp0 Caution7 6ever use the speaker outputs as line outputs0

&heir power level is e.tremely high and can cause tremendous damage to another amp3sinput0 %f you don3t have any effects patched into the 'enus3s *ffects Loop2 you can use its

Send )ack instead of the Line #ut0 &he Send Level kno" then acts as a varia"le output level0

Plain# a si#nal proessor in t!e effets loop

>sing shielded cords2 connect the *ffects Loop Send to the processor3s input2 and the

processor3s output to the *ffects Loop !eturn0 ,d)ust the mi.ture of effectKnon(effectsounds at the signal processor2 and set the levels at the amp and processor for lowest

distortion0 %f you use multiple signal processors2 connect them in series :processor 13s

output to processor 3s input2 etc0;2 and patch the 'enusDs Send to the first processor3s inputand the 'enus3s !eturn to the last processor3s output0 %f the processor has stereo outputs2

you can connect one to the *ffects Loop !eturn of a second amp0

Sendin# a diret si#nal to P9A9 or reordin# #ear


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>sing a shielded cord2 connect the 'enus +3s Line #ut to the line input or channel input of

a mi.er or recorder0 :&he signal comes from the amp3s output stage2 so all tone2 distortion2and overdrive characteristics are included0; /ou can use the *ffects Loop Send )ack instead

of the Line #ut2 too0 Caution7 6ever use the speaker output0 /ou will need to ad)ust the

e5uali9ation of the mi.er carefully2 as this sound differs greatly from a sound heard "y a

microphone placed in front of a speaker ca"inet0 >sing a Ca"inet *mulator in the signal path may "e a good idea to try0 Speakers act as giant filters2 and as the signal from the Line

#ut is full fre5uency2 not affected "y the mechanical(acoustic filter of a speaker2 it willhave a lot more high fre5uencies present0

Care And Troubles!ootin#

Chances are2 you "ought your !%'*!, amp to make your guitar sound great2 not to

improve your skills with electronics0 hat we3re saying is2 %f something ever goes wrong

with your amp2 don3t try to fi. it yourself0 &here are some potentially lethal high voltages

inside the amp2 plus if you do something that causes even more damage than when youstarted out2 the person who does the real repair will pro"a"ly tell you2 Hey2 % know what3s

wrong0 Some"ody3s "een monkeying around in here0 ,nd2 of course2 your warranty will "e void0

&here are some things you can do to keep your amp running and to determine :and

hopefully remedy; common difficulties0

eep t!e amp out of t!e elements9 , lot of this is common sense0 -on3t use your amp in a

sauna or in the "athtu"0 -on3t leave it out in the rain or in a damp "asement0 %f you take itto a gig or to practice and it3s cold out2 give it 1A minutes or a half(hour to stand in the

room where you3ll "e playing0 &hat way2 it can get acclimated and sound its "est whenyou3re ready to play0

e nie to it9 &he )ury is still out on whether talking to plants makes them happy2 orwhether *lvis lives on the moon2 "ut the verdict on pampering amps is well(known0 -on3t

drop2 knock over2 kick2 or otherwise mistreat your amp0 %f you don3t have a flight case for

travel2 use the "o. it came in2 or wrap it in something thick2 soft2 and protective0 !%'*!,


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amps are "uilt to take a lot2 "ut why push itM %f you treat your amp well2 it will treat you

:and your guitar3s tone; well0

C!e" for loose tubes9 Here3s as close as you should get to "eing inside your amp0 iththe amp unplugged and cooled off2 e.amine the tu"es to make sure they3re in tight and

straight0 6ote7 >nlike light "ul"s2 tu"es push straight into their sockets0 6ever try to twistthemN ,lso note that some of the tu"es are inside of metal sleeves0 &hese are easy to

remove for checking the tu"es0 Grasp the sleeve with your fingers and depress it :it3sspring(loaded; and turn to the left :counterclockwise;0 6ow pull it off this may re5uire a

little wiggling action0 !emem"er to put the sleeve "ack on after you check the tu"e0

Ma"e sure t!e po(er ord is ti#!tl% plu##ed in9 &his is critical at "oth ends of the cord0,nd don3t use one of those =(pin(to((pin adapters unless you connect the ground lug to the

outlet0 Leaving the ground disconnected isn3t )ust cheating((it3s dangerous to un(ground any

electrical device that3s supposed to "e grounded0

0et it idle before %ou pla%9 %f you have a few minutes to spare "efore you play2 turn theamp on and set it to stand"y so that all the parts can get warmed up and sta"le0 #nce the

amp3s nice and warm :A or 1< minutes;2 flip the Stand"y switch and get "usy on your

guitar0

Clean %our amp one in a (!ile9 /ou can use a damp "ut not wet cloth2 or one moistenedin a weak solution of dishwashing detergent and water to wipe off grime2 dried Pepsi2 4eer2

and whatever else accumulates on the vinyl covering0 %f you use Gaffers or -uct &ape to

hold Picks on the surface of the 'enus + and you need to remove the adhesive2 use a smallamount of !u""ing ,lcohol on a soft cloth2 then wipe off the residual with a soapKwater

solution0 $ake sure the amp is unplugged first0 ,lso make sure that no li5uid is spilled into

the top ventilation grille2 or that the tu"es have any li5uid of any source dripped on them0*verything else can "e vacuumed2 as long as you3re gentle and use a soft("ristled "rushattachment on the vacuum hose0

Quick &rou"leshooting Guide

Amp (on't turn on

10 $ake sure that the ,C mains cord is securely connected at "oth ends0

0 'erify the power source with something that you know works :a radio2 a light2 etc0;0

=0 Check the $ains Fuse2 and replace it if necessary :if it "lows again2 refer your amp to5ualified service personnel;0

T!ere's no sound

10 $ake sure that the guitar cord to the input is okay :wiggle it((check your guitar3s volume

setting2 too;0


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0 Check the 'olume controls0

=0 Check the Stand"y switch0

80 %f an effect or signal processor is plugged into the *ffects Loop2 make sure it3s turned on

and that the level controls on the amp and processor are set correctly0

A0 Check the speaker ca"le or ca"les to see if they are disconnected or shorted0

+0 Check for "lown speakers0

E0 %f a fuse is "lown2 replace it :if it "lows again2 refer your amp to 5ualified service

personnel;0

T!e amp s!uts do(n une8petedl%

10 Follow the seven steps in the &here3s no sound section0

0 &urn off the amp and wait A minutes "efore turning it on again0 ,n internal thermal protection circuit can shut the amp down if it "ecomes overheated0

=0 ,fter A minutes2 turn it on2 and if it shuts down again2 refer the amp to 5ualified service

personnel0

6ote7 #n S*$?# =


20/25

you replace tu"es0 %t3s no accident that your amp has two common types of tu"es7 &hey3re

great(sounding and relia"le2 and it3s easy to find replacements0 Here3s a tu"e chart to show

you which tu"es go where0

0oation T%pe'1 1,OE,

' 1,OE,'= 1,OE,

'8 1,OE,

'A 1,OE,

'+ +'+G&'E +'+G&

' +'+G&

'I +'+G&

.ere's a brief desription of (!at ea! tube does:

1+ %nput "uffer and tone control driver for Channel 2 and also the first Preamp stage of

Channel 10

1, &one control follower for Channel and an additional gain stage for Channel 10

1 Phase inverter driver tu"e for the power amp section

1731? Power amp tu"es((for "est operation2 all power tu"es should "e changed at the same

time0 >se a matched pair if at all possi"le0

C!e"in# for mirop!oni tubes


21/25


22/25

0 !eplace one tu"e0 &urn the amp on0 %f the fuse "lows :or the tu"e glows cherry red2

indicating an internal short;2 you3ve found the "ad tu"e0 &urn off the amp immediately0 %f

the fuse doesn3t "low2 replace another tu"e and turn the amp on again0 !epeat this procedure until you3ve determined which tu"e is "ad0

=0 hen the tu"es have cooled2 remove them0 !eplace all power tu"es0 :-on3t throw awaygood tu"es from the old set2 though((save them as sparesN;0

General information a"out tu"e types0 e are "ig fans of +'+G& &u"es2 #riginally theywere developed for low power Hi(Fi2 !adio2 and &elevision applications here in the >S,0

Sonically the +'+ is like the *uropean *L(82 e.cept capa"le of putting out more power2

and far more relia"le0 *l(83s were originally made for &a"le &op radios and cheap

&elevisions2 and were not made to "e stressed the way Guitar ,mps can do0

&he "est >S, "rands were !C, and G*0 For many years after !C, and G* ceased

production2 the foreign made +'+G& tu"es that were availa"le were dreadful0 henSovtekK*lectro Harmoni. came out with the +'+*H2 we tested a large lot of them and

decided that we could make relia"le and great(sounding amps with them0

e are very critical in our testing of our tu"es2 and throw away many that do not make our

grade0 ,ll of our amps are "uilt with matched tu"es2 that are graded as well0 hen you

need to purchase replacement tu"es2 if you order the same grade num"er that are in your

amp originally from the factory :provided that no one has changed the "ias set at thefactory;2 you can change out the tu"es without needing the "ias to "e re(ad)usted0 %f you use

tu"es not from us or of a different grade or value2 you will need to have the amp re"iased0

%n terms of 1,OE, types2 there are only = factories that we know of "uilding this tu"e

type BBK&esla2 Sovtek2 and !u"y &u"es in China0 ,gain2 6#S stocks still e.ist of !C,2G0*02 $ullard2 &elefunken2 Sylvania2 $a9da2 and Philips0 >sually the Chinese sound the

"rightest and have the most gain0 !ecently the Sovtek 1,OELP has "een made availa"leand it is improved from it3s predecessors2 yet has less gain and less high end than the

Chinese0 !C,2 G0*0 Philips2 $ullard :6#S; are great tu"es2 "ut may need to "e selected

for microphonics0 e are using mostly Chinese for the 1,OE,3s2 "ut we may use a

Sovtek in position '1 only0 %f you use Sovtek2 or BBK&esla in all of the positions :'1('A;2the amp will sound way too dark2 and will lose gain and headroom0 %t will sound like a

"lanket was placed over the amp0

'enus + Specifications7

.i#!3#ain input impedane: 1 $egohm

0o(3#ain input impedane: ==k ohms

Output impedane: Selecta"le2 8 ohms2 ohms2 or 1+ ohms

0ine Output impedane: ==< ohms minimum


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6ffets 0oop Send Output impedane: A+< ohms minimum

6ffets 0oop Return Input impedane: 1


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Warranty

Su")ect to the #"ligations and *.clusions found "elow2 this !%'*!, product is warranted

against manufacturing defects in material and workmanship for the period of one :1; yearfrom the date of purchase2 with the e.ception of tu"es2 which carry no warranty2 and

loudspeaker drivers2 which are covered for I< days0

&he warranty period commences on the date of purchase "y the original user0 Performance

under this warranty must "e o"tained at one of the following7 a !%'*!, ,uthori9edService Station2 "y returning the unit to the !%'*!, factory with prior authori9ation2 or

(in countries outside of the United States) "y a representative !%'*!, distri"utor0 , list

of !%'*!, ,uthori9ed Service Stations can "e o"tained from !%'*!,2 A0S0

"oundaries is "orne "y the !%'*!, representative in that particular country or

territory0 ,lso2 the warranty term and conditions may "e different from those stated


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a"ove0 Please contact the !%'*!, distri"utor or dealer in your country for more

information0

for it any other o"ligation or lia"ility0 %n no event shall !%'*!, "e lia"le for special orconse5uential damages arising from the use of this product2 or for any delay in the

performance or this warranty due to causes "eyond our control0 Some states do not allowlimitations on how long an implied warranty lasts andKor do not allow the e.clusion or

limitation of conse5uential damages2 so the a"ove limitations on implied warranty andconse5uential damages may not apply to you0 &his warranty gives you specific legal

rights0 /ou may have other rights that vary from state to state0

© 2010 Rivera Research & Development. All rights reserved.

Venus 6 Series Owner Manual

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Transcript of Venus 6 Series Owner Manual