Joyo Dual Klonz Owner's Manual

Ow ne r' s ma nu al

WWW.JOY O-AMPS. COM

JOYO TEC HNOLOGY C O., LTD

Add ress: 2 /F, Lushi I ndust ry Buil ding, 2 8th Dis trict , Bao'a n, Shen zhen, 5 18133 C hina.

WWW. JOYO- AMPS. COM WWW. JOYOA UDIO. COM

Ema il:in fo@jo yoaud io.co m Tel: [phone]

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Acces sory:

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Dis claim ers :

Blu etoot h is a trad emark o wned b y the Bl uetoo th SIG, I nc. The
Blu etoot h trade mark is u sed mer ely to id entif y the fu ncti on
cha racte r of the pro duct.

iOS , i Phone , iPod Touc h, iPad a nd iPad M ini are t rade marks o f
App le, Inc ., regi stere d in the U. S. and ot her cou ntrie s.

App S tore is a d igita l distr ibut ion pl atfor m, deve loped a nd
mai ntain ed by App le Inc. , for mob ile app s on iOS.

And roid an d Jell y Bean a re trad emark s of Goog le, In c.

Goo gle Pla y is a digi tal dis tribu tion se rvic e, inc luding a digi tal
med ia stor e, the G oogle P lay Sto re (ori ginal ly the An droid
Mar ket), o pera ted and d evelo ped by Go ogle.

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Thank you f or p urch asing J OYO's “D UALK LONZ ”
tu be gu ita r amp lif ier, p lea se re ad th is ow ner 's
manual carefull y be fore oper ating the a mpli fier. You
can gai n the best per formanc e if you fo llow t hose
op erating i nst ruc tions. Pl eas e k eep the own er's
manual f or fut ure re ference .

Foo tswit ch Powe r cord 2 Spe aker ca bles :

55c m×1 and 1 50cm× 1

Own er's ma nual

Product overview

Impor tant safety notes

Front, back, right, left panels

Footswitch

Typica l set up an d Cab le Connections

Amplifier Ope rat ion

App and MIDI Operati on

Changing power tubes

Tech nic al sp eci fications

Table of contents

Tabl e of con tent s

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Vacu um tub es

Vac

u

u

m

Tu

b

es

EL8 4 x 2 EL34 x 2

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For year s, the d igital co mmun ity has tri ed to br ing us f lexible a mpli fiers tha t use
sof twa re to model th e beha vior of tube amps . The te chnolog y is get ting better
and less a nd les s disting uish able from “the real thi ng”, bu t sadly, it is n ot rea l
tubes, real an alog s ignal paths. An d ther e is no ph ysical in tera ction bet ween t he
amp and th e play er.

To many play ers th e difference is s till v ery a ppar ent and the y stil l love t heir all­tube amp s. Tho se amps sou nd gre at, bu t they don't offer y ou the c hoic e of
different am ps on st age or in the s tudi o, unless y ou bri ng man y of the m. It is that
convenienc e that d rives us to l ook in to the d igital wo rld.

Imagin e you ha d the ci rcuits of so me of th e mos t icon ic amp s all on one ci rcui t
boa rd and y ou could us e rela ys to sw itch b etwe en th em. You' ll get t he drive
behavi or, the break up, th e comp ression , ever ythi ng jus t like t hose amps you
always d ream ed of ha ving i n your coll ecti on.
Now imag ine yo u can sw itch b etween th em wit h a phone or ta blet b y using an
app. Or us ing a si mple USB co nnec tion , or even MID I for li ve applic atio ns.

The DUALK LONZ c an br ing yo u this c onve nie nce an d still be 10 0% all t ube.

Don't ima gine . It's here.

Product overview

Pro duc t over view

The DUALK LONZ i s unlike any othe r ampl ifie r you know, an d it is also ex actl y like
many amp s you kn ow.

“Wh at are they g uys at J OYO sm oking?”

...... Would be a jus tifi ed rea cti on to th is cla im.

THE FIRST ALL-TUB E, MU LTIPATH G UIT AR AM PLIFIER

The JOYO“DUALKLON Z”featu res a
Vintag e chan nel, with s ome of t he mos t
iconic a mp cir cuit s of the l ast 60 year s,
and a Mode rn cha nnel t hat can giv e you
the tones of the amps th at cam e aft er
them. He re you c an fin d some of your
roc k and metal f avor ites a nd high-g ain
lead sou nds fr om amp lifiers t hat ma de
histor y, but a lso mo re mod ern vo ice d low
gain sou nds.

Pro duc t over view

YOU CA N ALSO C ONTROL EVERY RELAY I NDEP ENDENTL Y FOR TH OUS ANDS O F
NEW COMB INAT IONS.

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Oh, did we menti on tha t the power a mp als o features all th e circ uits o f thos e
classi c amps ? Yes, it d oes. A ll you h ave to do to get clos er to th e orig ina l is fol low
the tube g uide i n the app, tu rn off the amp , chan ge the tube s (no ne ed for
matched pair s tube s or bia sing) and e njoy a d ifferen t side o f the DU ALKLONZ
amp.

The amp ac cept s EL84, EL3 4, 6L6 , 5881, 6V6 , KT66 , KT88 and ma ny mor e.

We en cour age you to ex peri ment. One a mp’s p ream p with anot her ty pe of po wer
amp circuit an d tube s that have never b een us ed in that co nfig uration . You might
just fin d the am p you’ ve always be en loo king for, the o ne that no on e has bu ilt
yet .

Imagin e a stud io sessio n wher e you sh ow up
with one a mp, a fe w othe r tub es and a b ucke t full
of id eas. You can take out yo ur pho ne, which w ill
connec t with B luetooth auto mati call y as so on as
you o pen the app , and di al in some so unds t o
express your i deas .

For a live show, ju st set up you r amp as a d ual
channe l blue s amp one nig ht and a m etal
monster for a di ffer ent gi g the next.

You ca n also u se a MIDI con trol ler to s witc h
Circuits in be twee n songs (ta kes ab out 1- 2
second s) to ha ve all t hese soun ds ava ilab le
during t he set .

Of cours e we did n’t fo rget abou t an FX
Loop.T he amp a lso ha s a BOO ST swi tch to m ake
the Mode rn Pre amp ev en mor e flexibl e.

We ad ded a se cond spea ker ou tput s ection
which ca n be swi tche d remo tely. This enabl es
you t o use one cab f or the c lean/ov erdr ive
sounds a nd ano ther for th e heav ier so und s and
always h ave th e perfect s peak er for t he “amp”
of yo ur cho ice.

Channe l, Boo st and Spea ker Ou t can be s witc hed
with sta ndar d 1/4“ c ables so th at is wi ll be easy
to in corpora te thi s amp into a setup th at use s a
looper /swi tche r with Switc h/Tri gger Outs ( Like
the JOYO PX L Line)

But you know wha t? Forget ab out al l of tha t!
Just pla y it and f ind out for yours elf what th e
rea l thi ng sou nds li ke. After t hat, ever yth ing
else is ju st ici ng on the cake!

Safety instru cti ons

Please r ead th is man ual .

Rea d this m anual bef ore op erat ing the amp lifi er. The m anufact urer w ill no t be
liable f or any d amage occ urre d to thi s equi pment or ot her eq uipment c onne cted
to it , resu lti ng fro m misu se.
Heed all w arni ngs.
Check th at the m ains v oltage se lect or on the back of the amp is se t to mat ch you r
mains voltag e.
Check th at bot h the On /Of f swit ch and t he STAN DBY sw itch a re set t o OFF
positi on, be fore c onnecti ng it to t he mai ns outlet .
Check th at whe ther t he DUA LKLO NZ amp lif ier is c onne cted with t he cab inet.
Never operat e the am plifier w itho ut a cabine t conn ecte d.
Don’t us e this a mpli fier near w ater o r damp areas.
Clean on ly wit h a dry c loth.
Don’t bl ock an y vent ilation o peni ngs nor cov er it wi th cloth an d the li ke.
Don’t us e it nea r heat s ources, s uch as r adia tor, he ater, e lect roth ermal ove n and
more.
Use the at tach ed 3 pin p ower cord.
Pro tect t he power co rd fro m brin g walk ed on an d pinched p articul arly a t plugs,
convenienc e rece ptacles a nd at th e poin t whe re the y exit f rom th e unit.
Please u nplu g the power socket duri ng thu ndersto rm, li ghtning o r if it is n ot in
use for a lo ng tim e.
Please c onta ct pro fess ional mai nten ance m en if it malf unct ions.
Don’t mo ve the a mpli fier duri ng use .
If yo u nee d to cha nge in put vo lta ge, pl ease m ake su re to sl ide the Mai ns Volt age
Selector to th e corr ect po sition an d chan ge the matching f use ac cord ingly.

Import ant safet y inst ruc tion s

Pro duc t over view

The ligh tning flas h wit h arr owhea d sym bol w ithin an e quila teral tria ngle is in tende d to
ale rt t he u ser to t he prese nce of u ninsu lated dan gerou s v oltag e wi thin the prod uct s
enc losur e th at ma y be of suffi cient mag nitud e to cons titut e a risk of elect ric shock to
per sons.

The excl amati on po int w ithin an eq uilat eral trian gle i s int ended to al ert t he us er to the
pre sence of im porta nt o perat ing and mai ntena nce (ser vicin g) i nstru ction s in th e
lit eratu re acco mpany ing the p roduc t.

Thi s symb ol is in tende d to al ert th e user ---Us e only with t he car t, sta nd, tri pod, b racke t,
or t able s pecif ied by the ma nufac turer, or so ld wit h the a ppara tus. W hen a c art is used ,
use c autio n when mo ving th e cart/ appar atus co mbina tion to a void in jury fr om tip- over.

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WAR NING : TO REDUCE TH E RISK O F FIRE OR ELE CTRI C SHOCK, DO N OT EXP OSE
THIS APPAR ATUS TO RAIN OR M OIST URE.

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Front, back, right, left panels

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F r o n t P a n e l

Mains Voltage S elec tor for 110 -120 V and 220V- 240V i nput AC. Pl ease n ote

that, if you nee d to cha nge input v olta ge, pl ease chan ge the m atch ing f use
accordingl y.
Mains Fu se: Pl ease use T2 AL fus e when it’s 11 0-12 0V~6 0Hz; plea se use T 1AL
fuse whe n it’s 22 0-24 0V~50Hz
AC In put Ja ck: Pleas e use th e attache d powe r cord , the power c ord mu st be
compabible t o the lo cal pl ug and volt age. B e sure n ot to damag e the gr ound
pin in the p ower c ord, o ther wise t here w ill be strong ele ctri c shock.

Send: Ef fect s loop outp ut jac k
Level: Effec ts loo p out put le vel
Ret urn: E ffe cts lo op input ja ck
Chan Fsw : Chan nel selec t foot switch jack
Cab Fsw: C ab sel ect Foots witc h jack
B: Secon dar y cab 16 O hm or 8 Ohm Out puts
A: Prima ry ca b 16 Ohm o r 8 Ohm Outpu ts
B: Secon dar y cab 8 Oh m or 4 Ohm Outp uts
A: Prima ry ca b 8 Ohm or 4 O hm Output s
MIDI In/ Out co nnector s
USB Conn ecto r

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32. STANDBY swit ch

33. POWE R swit ch

34. Guit ar Inp ut Jac k

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Fro nt, back, righ t, lef t panels

1.G1 : Gai n cont rol fo r the first s tage o f Mode rn Pre amp

2.G2 : Gai n cont rol fo r the secon d stag e of Mod ern Pr eamp

3.Ba. : Ba ss con trol f or Modern C hann el

4.Mi. : Mi d cont rol fo r Modern Ch anne l

5.Tr. : Treble con trol f or Mod ern Chann el

6.Vo. : Master Volume co ntro l for Mo dern Prea mp

7.Red LED i ndicato r for Mo der n Chan nel

8.Pr. : Pres ence cont rol – co mmon t o both c hannels

9.Chan nel sw itch(Wh en the f oots witch is co nnec ted, t he channe l swit ch is

exc luded)

10.Cu: C ut con trol – c ommon to both cha nnel s

11.Gre en LED i ndicator for Vi ntag e Cha nnel

12.No. : N orma l input level for V inta ge pre amp

13.Br. : Bri ght input l evel f or Vintag e prea mp

14.Ba. : B ass co ntro l for Vinta ge Cha nnel

15.Mi. : M id con trol f or Vintag e Chan nel

16.Tr. : Treble co ntro l for Vi ntage Cha nnel

17.Vo. : Master Volume c ontr ol for V int age Pr eamp

B a c k Pa n e l

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R i g h t P a n el L e f t Pan e l

Fro nt, back, righ t, lef t panels

The Dual Klon z is a two -ch anne l amplifi er. Switchi ng bet ween c hannels c an be
operat ed via t he Channe l swit ch on th e front pan el, or v ia the foot swit ch.

Modern C hann el:

This cha nnel i s optimiz ed for H igh Ga in tones. T he gai n is controlled b y the G1
and G2 kno bs. Th ese ar e par t of two casca ded pr eamp s tag es. Th e outp ut of G1
stage go es to th e inpu t of the G 2 Stag e. Thi nk of it a s a boost ped al (G1 ) going
into the input ( G2) of a n amp.

The sele ctio n of dif fere nt Modern m odel s is done through t he app o r MIDI cont rol
(Pleas e refe r to the h elp fi le em bedd ed int o the app for f ull fe atures and deta ils. )

This sec ond G2 s tage i s als o bypa ssed w hen selec ting l ow-gain m odel s from t he
app or MID I cont rol. I n this case t he LOW GAIN fo otsw itch w on’t b e active.

Adjust t he Bas s, Mid , and Tre ble co ntro ls to taste. Adju st the Vo : Master Volume
control for Mo dern P ream p for the require d outp ut lev el.

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Typica l set up an d Cab le Connections

Connec t a spea ker ca b to Spe aker o utputs, f ollo wing the Ca b’s sp ecif ied
impeda nce. I f only one ca b is use d, alw ays c onne ct it to t he “A” outp uts. O nly If
a second c ab is us ed, co nne ct it to t he “B” o utputs. I f you us e two ca bs, a
footsw itch m ust be c onnected to the C AB SW in put. If no fo otsw itch i s connected,
only the “A” out put wi ll be a ctiv e.
(IMPORTANT NOT E: Whe n you ar e using dif fere nt typ es of po wer tubes , the
output i mped ances may c hang e. Ple ase pay attenti on to th e back p anel t o find
out whic h outp ut to us e.)

If used, c onne ct you r effects i nput t o the Send ou tput J ack , and th e effects o utpu t
to th e Retu rn inp ut Jack. If nece ssar y, adju st the L evel cont rol to a dapt t he Send
output l evel t o the ef fects inp ut sen sitivit y. Typic al set ting is to ad just t he Level
control to STAND ARD.

If yo u use two cab s, a foo tswitch must be c onne cted to the CAB SW in put. I f no
footsw itch i s conn ecte d, only the “A” out put will be a ctiv e. When con nect ing
the foot swit ch, pl ease put th e Cabi net switch plug w ith “C AB” mark in t he
Channe l swit ch Jac k, an d Chan nel switc h plug w ith “C HA” mar k in the C hannel
footsw itch Jack, then t he Cha nnel switch of the fron t pane l is exc lude d.

Please m ake su re tha t Main s Volta ge Select or for 1 10-120V a nd 220 V-24 0V in put
AC ma tche s your loca l main s volt age . Chec k that b oth On/Of f and STA NDBY
switches on th e ampl ifier rig ht sid e are bo th in OFF pos itio n, connec t the ma ins
cable. Tur n on the Power s witc h. Allow at l east 2 m inut es for the tu bes to w arm up .
Connec t your i nstr ument to th e guit ar input ja ck on am plifier l eft side, a nd tur n
down the Vo: Mast er Volu me con trol f or Modern P ream p and Vo: M aster Volume
control for Vi ntag e Prea mp to the min imum . Turn on t he STAN DBY switch and
comple te cab le con nection s.

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Amplifier Ope rat ion

F o o t s w i t c h

Channe l swit ch indica tor: w hen th e Channel s witc h indicator is ON , it mea ns

the Mode rn cha nnel i s act ive, w hen th e indicat or is OF F, the Vi ntag e channel i s
active.

Channe l foot switch
Cabine t swit ch indica tor: w hen th e Cabinet s witc h indicator is ON , it mea ns

the “A” output ca b is act ive, w hen the ind icat or is OFF, the “B” out put ca b is
active.

Cabine t foot switch
LOW G AIN in dicator : when i n Modern ch anne l and the amp s with LOW GAI N

functi on, if t he LOW G AIN in dicator is ON, it m eans t he LOW G AIN is a ctive, if
it’s OFF, the n not activ e. (In V intage ch anne l, LOW G AIN is n ot active )

LOW G AIN fo ots witc h
Channe l swit ch plug

Cabine t swit ch plug

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Typical s etup a nd Cable Co nnec tio ns

Amplif ier Op eration

Fo ots witch

Typical s etup a nd Cable Co nnec tio ns

Hardwa re & System Requirem ent s

iOS

• iOS 8.0 or l ater

• iPhone 4 s or lat er

• iPa d with Retin a disp lay (3 Gen) o r late r

• iPa d Mini o r late r

• iPa d Pro or l ater

• iPo d Touch 5 Gen o r late r

Androi d

• Android 4.3 (J elly B ean) or later

• Device s that s uppo rt BL E (Blueto oth Lo w Ener gy)

• Device s that s uppo rt US B-OTG ( On The G o)

Additi onal r emarks fo r andr oid de vic es:

• It's mand ator y that t he and roid devi ce sup por ts BLE , "Basic" B luet ooth ( pri or to

4.0) is no t supp ort ed.

• The USB in terf ace in the ap p is dis abled by de faul t to spe ed up t he BLE
connec tion : in ord er to us e USB, be sur e to act ivat e it int o the ap p.

• Always c onne ct the a ndroid ta blet /phone to the amp u sing a n OTG ada pter p lus
an USB cab le.

Vintag e Chan nel:

This cha nnel i s optimiz ed for r ecre atin g the tone an d feel o f vint age am pli fers ,
fro m 50’ s and 60 ’s. Th eir ga in is moder ate so t his chann el is th e best choi ce for
ton es spa nni ng fro m tota lly cl ean to mode rate c runc h.

The sele ctio n of dif fere nt Vintag e mode ls is done th roug h the ap p or MIDI con trol
(Pleas e refe r to the h elp fi le em bedd ed int o the app for f ull fe atures and deta ils. )

The No. an d Br. knobs, co ntro l two se para te input preamp s. The N ormal preamp
has a flat f requ ency r espo nse, whil e the Br ight preamp has a t rebl e boos t.

These tw o cont rols c an be adjus ted se para tely t o obta in th e desi red to nal
bal ance. For s etti ngs start ing from 12 o ’clo ck upw ards , the pream ps sta rt to
satura te, in trod ucin g some overdriv e.

Adjust t he Bas s, Mid , and Tre ble co ntro ls to taste.

Adjust t he Vo: Ma ster Vo lume c ontrol fo r Vint age Pr eamp cont rol fo r the re quir ed
output l evel .

Pow er Amp lifier:

The Pr. Pres ence a nd Cu. Cut co ntro ls are l inke d to the p ower ampl ifie r.

They can b e acti ve or by pass ed, d epen ding o n the Ampli fier M odel that h as bee n
selected via t he app o r MIDI cont rol.

The Presence c ontr ol act s by introducin g a reso nant low- pass f ilte r. Turning i t
clockw ise in trod uces a boos t in the u pper mids .

The Cu. Cu t cont rol in trod uces a low pass fil ter in t he high frequen cies . It acts like
the tone control of a guitar. Tur ning i t clockwi se inc reas es the cut freque ncy,
giving m ore hi ghs.

1211

The DUALK LONZ a mplifie r is equ ipped wit h 2 pre- ampl ifiers (M oder n, Vintag e)
plus a power-am plif ier, wi th bui lt-i n Blue toot h IC control modu le, de liverin g a
tot al of 27 r emot ely controlle d rela ys, wi th which is p ossi ble to chan ge cir cuit
config urat ions, sig nal pa ths an d compone nts va lue.

The DUALK LONZ a mplifie r prov ides M IDI, USB- OTG and BLE (Bl ueto oth Lo w
Energy) inte rfaces. ( Plea se use USB- OTG or MIDI con nect ion wh en you perf orm on
the stag e, so as t o avoi d Bluetooth int erference.)

For Blue toot h and US B-OTG c onne ction, yo u need t o inst all an easy -to- use app,
which is a vail able f or iOS ( BLE ), And roid (BLE), An droi d(US B-OTG p latf orm). Ple ase
note that USB- OTG doesn’t s uppo rt iO S plat form, but A ndro id pla tform onl y).

To install i t into y our de vice simp ly lau nch the App St ore (i OS) or Play St ore
(Android) an d sear ch for D UALK LONZ . After you insta ll the a pp, pleas e refe r to the
help fil e embe dded into the app f or ful l features and de tail s.

Ref er to th e help file c onta ined into the app f or MID I details a s well .

MIDI Program C hang e message 0 ..12 7 is used to select s peci fic pa tterns.

Fac tory pres ets st art a t PC 0 for t he Vintag e Chan nel; at PC 24 f or the M odern
Channe l.

App and MIDI Operati on

Amplif ier Op eration

App and MI DI Ope ration

1413

One of the ke y feat ures of the DUALKLONZ is t he possib ilit y to use m any diffe rent
power tubes, w itho ut the need of any se ttin g.
The foll owin g tubes can b e used :

Tube Output p ower W C ab Imp eda nce

6L 6 25 8 Oh m or 4 Ohm
EL 34 25 8 Oh m or 4 Ohm
KT6 6 25 8 Oh m or 4 Ohm
KT8 8 25 8 Oh m or 4 Ohm
58 81 25 8 Oh m or 4 Ohm
EL 84 15 16 O hm or 8 Oh m
6V 6 15 16 O hm or 8 Oh m

Please n ote th at, wh en using 6V 6 or EL8 4 tubes, th e rate d impe dan ce of the
speaker outp uts is d oubl ed.
The stock tube s are 2 6L 6s. 2 EL 84 and 2 EL34 p ower t ubes will b e incl uded,
therefore you can ch ange p ower t ube s acco rdin g to dif fere nt am p tone s.

Changing power tubes Tech nic al Sp eci fications

1x ECC83S/12AX7 ; 1x 12AY7

3x ECC83S/12AX7

1x ECC83S/12AX7 ; 2 x 6L6

from 15 to 25 W RMS, depending on power tubes

150W

+/- 10%

From 10° to 35° C

110-120V~60Hz: T2AL

220-240V~50Hz: T1AL

6.3mm Unbalanced, 1 MOhm

6.3mm Unbalanced, 1 KOhm / 1MOhm

6.3mm 8 Ohm and 4 Ohm

6.3mm 16 Ohm and 8 Ohm

6.3 mm Mono Jack

6.3mm Stereo Jack. Tip: Boost. Sleeve: Channel

60 L *25 W *31 H cm

14.63kg

Changi ng pow er tubes

Swi tch of f the STA NDBY switch and th e main O n/Off swi tch. Remov e the ma ins
power cord from the back of the amp. L et the t ubes cool d own fo r at least 10
minutes. (Pl ease m ake su re the t ubes are no t too ho t to hol d)
Rem ove th e back g rille.
Push the m etal c lamps dow n with t wo fin ger s and re move t he pow er tubes by
gently p ulli ng and tilt ing th em.
Insert t he new tube s: fir st ch eck th e alig nment of the pins , then g ently pus h
the tube i n plac e. DO NOT force the tu bes. I f you encou nter s ome re sistanc e,
re- check the p ins st raightn ess an d alignme nt.
Re- inst all the back gril le.
Pro ceed with t he sta ndard switch-on pro cedu re acc ordi ng to th e typical s etup
and cabl e conn ections .

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6.

Pow er tub es

Rem ove th e back g rill e

Tech nica l Specifi cati ons

Preamp Tubes-Vintage Preamp
Preamp Tubes-Modern Preamp

Power Amp Tubes (factory standard)

Output Power

Power consumption

Mains voltage tolerance

Operating Temperature

Mains fuse

Input

Send/Return

Speakers Out

Speakers Out with 6V6 and EL84 Tubes

Cab Footswitch

Channel Footswitch

Dimensions
Weight

JO YO Tec hn ol og y is c omm it te d to gua ran tee the hi ghest quality stand ard s.
Al l Techn ica l Pa ramet ers or p ic tures ar e on ly f or y our infor mat io n, s ubj ec t
to the ac tu al p ro ducts .

TO CH ANGE T HE POWER TU BES, F OLLO W THESE INS TRUC TIONS CAR EFUL LY: