~ ,

•

STEREO AMPLIFIER

-SOB HB HP.HE

S

OPERATING INSTRUCTIONS

., 1-, • . .. . ,, 4t "t

The w«i~'.u",,,, of tnj. model differ ><co rd" , to tt.. Ihipme"! deshn.alion. • For U.K. ('HB' m.mpod "" p.ck;', " .. ); Po ..... , line

.olto,. i. 240 '0110.

A OIN ,oekel i. pro.Kl<1l "".1>< '.or P .... I. • For Au,tr.li. ('HP' '''''''pod on ~kinl ""'): Po .... ,

.<>Ito,. i. 240 volt .. A DIN .ockel i, provided on the 'Uf p.nel.

• Fo ..... in .. nd Europe I'HE' mmped on ~kingca .. ): Po ... , line 1'011;\,. i. 220 oolt •. Ae COf"..,ience oonen ... pro.idt<l on [he rur p. nd, aM. DIN JO<kel il Pfovid«! "" th. '00' pMl".

• For dO\,in.tion •• ~<Iud inl~' ('5' "''''1'«1 on p,ock· "" COle): A 4-j>Oint (llOV/120V/220V/24()V) ""lull< .. ,ector .... itch i. ",,,vided "" In.. '00' p.nel, .nd AC ootl." ... p'o.id~ on the f •• ' p.nel.

NOTE: Ittod.,. to' II .. U,K. ("HB 'j. """"",Ii. I 'HP') ,,, • ., ",.i"lo,..,. E~rop< ('II£i .... w 'Iu-" po_.Ii"" ""/' ..... ~I in ~rom · on"" wi,h th, .. d ... l ... ,,,,,, Nt" .. th."." .hjp~ fro", the {«'ory, T~~ "'''".-, .. ~i<~ "'" ,~ ... 1oH~ .. ' io indl· "'I~ o~ I~' '"' "",../of IIM ... in ~~;I, B<lo,.. ,,,,i,chl", o~ ,1M PO"'''. mau .&oo"''''y.~,.. ,ho' 11M "''''''' I.m, • .. II~ 'M ""h .. _d I~ yo~ •• _ If i, d .... Mllo/ly 0 ' If yO" ""' ... 10 • ...,'hor or .. with. diJ· f ... ~1 ",/,,,,. ( •• c~ from ZZO V 10 24QV 0' 0"'" "'_).,., in IO.'~ .. llh yo~. ~ .... II .... ,ho ..... d Pio_. $0 .... .,. C,,,,., o. S ..... .,. S'.,io" <»" •• 11 ..... Ii ... ".. <011 "" 0 q""N, O.d ,It ... .,;.",,, ,,',h. 00""" " ... "..."..

IMPORTANT--------~ To 1' ...... , .io<l • ., .hod. do nol",m"",, ........ , N<> ..... ...... ju.bio pa'" in"" • . .. f .. .. 'Vici., 10 q~olif;u ..."'w".....,"Ml ..u ..... ,. di«o." .. 1 all 'M .q.ipmul fro", 1M .... in. ""pply .. h.~ di«<>" .... Ii'l# 1M Nt""/ io<><l~ Th. po ..... . <0«1 1II".id 10< <onn ... ~ '''' • .... k ...... ,~., 'M 1"""" • .. II.h ;. off. U"",., '1M ... , fro ... 'he _'I """_" ",h." III, .00110 10< .wd for 0" ox .. "d.d ".nod of Ii .... ,

FOR USE IN UNITED KINGDOM AND AUSTRALIA

CAUTION 240V : Main1 1upply volt. is fac­tory adju$leo;I I t 240V.

FOR USE IN UNITED KlNGDOM Th • .. j .. , in thio ... in, 1<<><1 .... <010."" in 0<<<",1._ ",jlh th. f"lIo ... j..,...,«I

111.,' N'"I~I II ... ",,,, u""

..t. 'M <010. " of 'he ... 1 .... /. ,II< "",i". "'<><1of ,hI< .p­"",..1 .. _, "0' «>"''P0nd ... lth 'he <%.n<! .... rki., idonlify,., ,h. '"mi".1< i" 10.' "..., JH'O<'<.d ., «>,. --Th. wi", .. hich It ._.rod b"'. m." ,.. .o" ....... d 10 I~. 1 ..... 1"./ wh.,h ;, "' ••• .fd with Ih. "'II<' N or <olo.rod blod, Th, .. j,.. ",h.,h I, ."Io"""d b", .. ~ ",",,'" <O",..d,d I" ,ho 1< .... 1".1 ""' i<h ;, ..... _~ ",jlh 'h, loll .. L ". <olo.,~ n<!,

•

CONTENTS Featun!I

Stereo System CompoilitiQn .

[ruull_lion P""""ution' ................ .

RU r 1'.",,1 F.dlitifoJ .. .

2

3

3

• ConnectioN . . . . . . . . . . . . . . . . . . . . . . . . . :;

.'wnt PaMl F..,ili\;e. ......... • .. _ 8

FEATURES PQwer Amplifi ... Section , h~ 1 P.ock • • Consistent ly Sllble Power Punch

T~ PO-' .rnplir .. , """..,... .adop" • "nak."Uat d,ll .. .. II .. , .ompI,r"" ..... 'h • < .. ",nl mmOol 10.><1, ,II .. ,. di,«, · «>UpItd pur< ","",Iem<nl.ry OCl ,,,cun In .... , ;CulM. lilt flul ... ~. '1If1 ..... ' •• t ."",1, .. ., ,,,, .. ', ... "h du" u_· .hlon 10 k ... p <10,. .. 'ht fluel".""", on ,II< <11.' ..... ,,,0<. wch •• l.mp ..... 1 .. ' ••• ,i. ,ion, 10 b,,. minimum. A W"on' m;,rot [o.d j, I'''ur,d in ,hi, dilf ..... I;., .m"lili., ,ireuil ... hl,h p,vn tht w'Y 1<>. hiSh .tmp l1f","i"" de"",. Thi, ....... ~, • h;p. .... I of ""I"i •• f.edNc~ .00 .. ""e, lilt I'fp<oduction of. Continuous Power Output 01 25 watts' per channel, min ., at 8 Dhms from 20 He,tz to 20.000 Hertz with no mort than 0.03 % totat halmonlC distor tion.

Phono Ci rcuitry with PI~nt y of Lttw.y in til<: SIN md O l h~r Ch.r.ct~ristiCl

Th. low·noil< ".n.i,lor •• nd low n"i~ , I,,,,enl> com· bi". 10 prodOGt • ,;",.1'10..,01 ... "Iio (PHONOi of 76d1l (IHF .AI . A •• ,n"l! . ,II< RI A" ...... i ... "". wh~ h.,. If'" b"'in1 on Iht IOUnd Q ... hty.;" imp'oved to ffi.5dB (oYc'f 30 10 U.OIX)Hll • • nd the ~hono o ... I'1<»<1"m i. l40mV ( lUll, T.H.D. 0.1") w,th ,,,-,110. 2.SmV ,.unl. Th" ;., thtn,. dnr", which hh p"nty 10 WM,.nd wtoich po"

",iU the "'''''''1 d;'lor1ion,f'~ pl.lV 01 ,eeor<k "" Y"'" lu,n ... bIc lor the tot" in hiJll·f.o.l ll Y

Operation. .. . . . . . . . . . . . . . . . . . . . . . . 10

U, inK the Tape i)e<,k •...... ............ II

ConditioIU Frequ~ntly Mi,t.l ken for Malfunctions. . . . . • . . . . . . . . . . . . . . . .. 12

Spec;r,cations ................... Intertian

Scll<:malie Diagnm ............... In.ertion

Po~r L~v,", Ind ic.to, wit h Fluorescent Olspl.y To""

U .. for ,ho pow., ,,"'" ,nd;':.,,,, .f< 'wo nuott1Ur\1 d."",,y 'ubn (one f", ,held, eh .... n<f.-.d ,11<01,,", lor ,II< 'i"'t) whoc h futu, •• ".v f .. , 'npome '!>«d,o indic.,. ,II< po ..... I", ... ",,,.lly it>\ .. n ... .....,...!y. Th;' indic >tor;' compos«! 01 hilhly doptnd.ob .. Ie • • nd il< loSMi'hmic """",n,,;on . nd d,i •• ei«w. m.k. it p<><Sib" for .... ide .. n~. of pow" 1",1. f,om O.Ol W .i"" up '0 ,h. ", .. im um 1"01'10 be ind;':" ed for bo,h the lof'.urd 'ish' , h ,""o l, in· dependently ..-ithout ,w"chinl knobs or ""e ... Ric h Sto •• of ACCH~ry function.

• TIIf ... to.o ..... flI, ... , ... i,," ........ to ettl out tho low· !..q ... ncy noi ... ,,-hl(h i, /w,ml,,1 10 you, "".t .. " ... ....<led by '«<>rel ..... p .

• TIIf ~ • ..-iIC" '''''''''' .... ,,' for ,ho derociencon of ,h. Iou",," ... wllh '"'1'«' 10 10 ... ·I.<G ... "'V """"" ... d i, i, . 1", u ... ful "'h~n 1o'lenin8 10 P'OP ' '''' .1 ni lh" lOt ,nit.", •. with !h. 'oOund 'u'n~ down.

• Tho func'ion indic. ,Of' tell yoo IIIf ","S"m 'oOU'CC".

"."",. • Tho .."plir .. , i. p,o.""''' ... ith I ...... " (A . nd 8 ) .. I

"".~ .. , .. on""", ... ,h., \'011 con connec, 'wo ..... of 'f'<. l .. • v"."" 1-h" ......... , .... t \'011 <M> li ... n ' .. ,he ",,,,,MIl on """ .. , ,n ."",IIf •• oom.

• The .mplir .... ;, .1", equ.ppo<l .. i,h , .. o~" 01 ",po dKk ;"c" for 'O<1n""i"1 tWO t.pe d<-c~,. The "PO monl'or . wi lCh., un be u ... d '0 dull"pe, hom TAPE 1 d<ek '0 TAPE 2 d«k .nd 101 , imp l. "pe ~di' ing.

2 • M ..... .-.d p~_."t to t· ....... , r_. Co," .. /ooio~~ r_. N.,..""lon "'~ on ""_, O~ 'P~' Cloi ... (<» A .. pli~,

~"""""""""""""""""""""""""""PION~

•

STEREO SYSTEM COMPOSITION

..... -,c:":c,,cc-cccccc--------------, Mo . ..... , .... tho ......... " nib" .... lu'" _'" .t ,""""<t,,,, -.. _ .. _" and , ....... ''',ot_

....... -' S'", to. ,_,'" uP'''' ... ' ...

_ <10 .," 10. ' ..... ' ''' , • 0<> "'" • .".,.. ",.~oco<_

,_.- ,ho ....... ."".'" t ..

.. "'_ .... , of "mo • 00 "", " .... thO ,_ ....... " • .-. ""'II"''' ,,,'!'. T .. _"" _"V"""" ,-_._'"" ... .., .... ""","n ..... , .. MO' ..... of tho '"M""

00...-. .... , .. _ ... _____ ~

u.. ..... "",,"'" _.r. <00-00<'0 .... """,, .... <10 no, ...... ,--, ...... ---.. Cao""... on tho ,_ -, . .."."." .... --

, .

INSTALLATION PRECAUTIONS

I_ .. , .... ' ... ___ ~ ..

. C"", ... ""","'" __ tho _,

w"bod ... _"""""

'.-. 0" "'" ...... 'M _"""'0.; "",d, "',., ,....,_'"

oSo, ,,,. ......... ' . , ..... """'" _, .,"" ... I", ,_",no

• U .. on , . ,,, .. , on, ..... '''' " .. ,"-tOo"

+fli+f:.-- ,_ d_ o M ... 'u" _ c'- ,''' ,..o • """'''''lI'''"'-''-

• U .. " .. ' ",n, to"'- t .. n .... IV" .... t, .... , .. d o"" ' .. ' . ' ' .... n.

o Curt. ... _ hoOp to ,od .... , _ .... , __ ".,. in

' .. '.'.n ..... _ . . ,." . .. ,,,. ......... , to ,ho ,_" .... , .. ht ...

,..., ' ....... " -. '0 , .. _ co"".,.,,,, bo'I>Io' .. _ ...... ' .. _ IT .. _

oj ""'" "'''''''''_ " _ ... , ..... up _m, , _n,1 . , .... " 'ho _ ... 10 "'" ' ..... .... no, ' "eo:''' bV _at.," """"",,'''' ,_ '"'''"'''

To e"",ute the beat sound quality and trouble· free operation. avoid ..,tting up the amplifier in any of the locatiolll dHCribed below:

L_,""'_" ,,, __ ... _ .......... A_'Ii ... " ..... __ .... _ d_n.

, ...,..,,,'" • • _ 'Od."" ... "' .... ,. '" ___ ". , E.'" .. ' .... , , ..... , ................. 01 , .... ...""'."' .... ,, '0 _""" ......... """.",. '-- u .. , .... , l_ ..... wft" .- ..... i ... ., •. w,," " ........ '1'1"'''. '" ..., ... , C .... 0' ,.., ... """'.," in ..... , ..... ,"'" ... '1'1 ....... .... '"~ . 'UI' """"'''''. 0.0 doo~. loco",., 11'8" .... ..,iII" ....... "Q" """""" """"'" , .... _ .. ""Ol_ in """"",n . T ....... II", , ...... _ 0' """nt .... __ _ .. _""n in , .... c~"''' ...... 0.. .. '" "' .... in ' ... 10 ... · ........ , eoo.o., tI,.", to d .... "" .... , LocoOI ........ """'''' .. t •• """"n. , n ... _""" '"'''' , ... "'""""" ..... "'_""

3

REAR PANEL FACILITIES

•

CD PUONO JACKS CoMeoct t he turntable output cord. to thellO'! jocu.

(i) TUNER .lACKS Connect the tuner cord . to thellO'! jRcks.

(j) AUX JACKS 11>ete are luxillary input jock .. Con""", I TV tuner o r cartridge tll~ playe r to them .

•

® SPEAKt:RS TERMINALS A Connect your tint .,.iT of I~ken to th_ tn· minaIs.

(j) SPEAKERS TERMINALS B Connect your ....,.,nd .,.ir o f spealten 10 U­lertn ina'-.

(j) AC OUTLETS (HE, S modeL! only )

Til"" are qwe po ...... , o utlet.. In..,rt \he power plug on me Itereo eompollf'nta ( turntable, WI'IH, lap" d eck, etc., into Ihfte outleu.. Sl'.'lTCH~; I) : The po w"r lupplied lhrO"llh c.hne

outleta it coupled t.o the operation of the am plifie r'. po ...... , " ... ;\.ell .

UNSWITCHED: The power is aJ"YI oupplial tblOu«h th is outlet noprd,"- of the ))OIi. lion o f the po."..,' ""';\.cll.

Tloo m ......... _< ..... ". 0 ..... ~coun~n

I>'OT£S • f>'~,." t'O~ .... <lIl ... potu, ,,10.6 01 11 .... lul .... oppl"..uo

.. _ po_ <o ... ~ .. pl ... ~ uum lIN ""..--np«ily of I~ .... C OVTLETS ,"" .... ",, ~.

• N.~, ""'''''</"0 Oro " ,,'. '''''''''''' rh . .. OMlltlo. • IJo "", J" I~. po""'" 0.,1<'. OM I~. pO"'" pi",. ""',

or ''' .... ~ ,~.'" .. "'~ ""', .... "" .......... )'0" _7 "I u .IHI .... olIo<t

(J) GND TERMINAL Thi. is Ihe gruund wrmin.L Connect the ground wi... of lhe turn table. e le , to this tflminaJ.

• TAPE l .1ACKS Con.-:t the tape dI!Ck coni. to l he.e jacko. Connect the REC (recordin,) jacks to t he INPUT jock. on the tape deck. I nti the PLAY (pllyback) p.cko to the OIIl"PIII" jl cko.

, TAPE 2 JACKS Connect your second ta pe dec k cord. to u.e.e jocks. CoMect the REC (reco rding) joCQ to the [NI' III" jacko on the tlpe deck, and the Pt.A Y (playback) p.ckl to the OUTPUT ;.cu.

@ TAPE 2 JACK (llB, HE modN only ) Connect the tBpe deck to th is jack ", ith DlN·ty pe (Tecord inl{pl.yback) cord.

~""""""""""""""""""" __ ~ONEER @ UNE VOI.TAGE SELECTOR SWITCII (5 mod~ only l

C'hec:k lIuot the indication o f the ,..-itch i.llame .. your retidence before plugging lhe ro_' ronJ into the oullet. Ir it isn't o r if you move to In 1""'1 ... he~ the volt.age requiremenU d irt" ., ch anae the .witch seHing U foDo ... . sera,., --.ljUfting. dillCOnn",,\ the power cord. 1. UnJC~w t he hll" cap with • Phillipo le rew.

driver. then take out t l>e fUIle Ind plug. 2. He·install the plug with iu cutaway ..-clio"

expo1inl t he COm!Ct voltage indication at o/lown In . 'Ig. A.

3. Refer to the able and install • replacement fl,lMl (provided .. .n ..,.,....,ry).

4. Inlert the fIlM! in the r ...... cap, then fit III<! cap to the plug and ti«;hten.

Fig. A

CONNECTIONS-------------------------------CONNECTION DIAGRAM

-IHfOUT IAICI

(lUTf'UT IPlAY,

,

SP':AK':R SYSTEM CONNECTIONS (ri,. 1)

The amplifie r is provKJeod "'ith '''0 leU of SPEAK· ERS output tennLnals. U ... Ihe A ... t when con· "edin, only one Jet o f speak",.,. Vie wed from the front. the R ( ri~ht channel) SPEAKERS terminals ..... On the riJIII! and the I. Cleft chan .... l) SPEAK­ERS t.erminala ..... on the len. Cormect the left channel ope_kef to the L terminals and the ngtu chan nel ' puke. \.0 the R lenn",.l •. The re<l Land R SP.:AKER S term inals ha ..... pluo IIO]arity and the b[Kk terminal. h.v .... minus polarity and the ","-ke. Iysteml hnl! .Iso the Ume dual polari ties. v.'hen connecting. al .... )'$ connect minus 10 minus and plul to pllli.

elution. when eonnect;n" h. speake .. 1. The tpeu,.,. output termimu. It""" polarities:

minus (black) and plus (ffll). The inpu t,.., ... on the speaken abo have plus and minus polan t;.,., When connect ing, make l ure that the ... polarities Ire aligned : plua to 1'1111 and minUJ to minu •. If the left and right _aker polaritiet are ",i$. ali",ed , the repl'O<!u«d sound WIll nol d o.pllY a nltun.l'lereo e tre<:l.

2. Use l po'aken with. nominal i",pedanl~ ranging from 4 oh"" 10 16 oh"," .

3. Never ~ th" lpo'iken WIth !he l po'iker oulpu t lenninals short«! (minUl and plUl jacb con· MCW!d) lir>« th o. may dlm~e th .. power tnm.;... ton in the amplifi .. r.

Procesainll and connf"tin!! the spe. ker cords (Fie· 2- CD - (l) I I . Cui o ff th ... co~nng of 1M ,peak .. r COrdi . 2 . If the Illllndo II th .. lip of the cord are poin t ing

in all direclio" I, twi.t them with YOIl' thumb I nd forefinger. Olh .. rw .... lOme of the Itnmd. mlY com .. into contac t with other terminals and corda. and cause I shon.

3. Puth down On the buno,... under the lennlnal. with th .. tip of your finll" r, and slip the tip o f the cord ;nlo the hole in the center of the tenninlL M. ke l ure th.1 the l .. ad wire ;n the cord d.- not protro~.

4 . Remove your fi"gerl;p from th .. buuon. Th~ tenninal will ILnBP back Inlo position and "" ch"" k thai me co rd i. """" rely connl'C le<I . You nay not he ... any sound If the eol'tb are not COIlMCted properly .

B

........ "" ....

(j)

•

SpMIo; .. INd .,; •• ", .... , jon -_ .... ,;".. 51>0".' OIl."

Fig. I

Fig. 2

~"""""""""""""""""""""""""""PION~ TURNTABLE CONNECTIONS (Fi,.3)

Connect the output cord. o f a turntable to the PHONO input jack •. Conn""t the ground lead of th~ tumtahl~ to th~ GND terminal on the ampli· fier.

NOTE: T~ • .... y ;~ ",~i<~ 'h~ o,,'p,,' <'Om •• r< .".d<-d will

<lopond on ,M 'y~or<."'01,o "Old . frY<>" ;n .. nd ro " .. • /o.....,,,,p,,, ",o";..r <.,;/ (MC) «1.'.01, •.• '_Y' pro,.;.!." "n< ;" MC ''''''''"""or ,,. • ~_ .mpUriu

TUNER CONNECTIONS (fi,.4) Connect the output jacks o f a . tereo tuner to the TUNER input jack. with the connecti ng cord.,

AUX JACKS CONNECTIONS (Fi~. 5) These jack. cln he connectl'd to the OUTPUT (PLAY) jackJ on a TV tuner. cartridge tape player or tope deck. Ule connecting cord. with pin plugs to connect the OUTPUT jacks on the component with the AUX jackJ.

TAPE OECK CONNECTIONS (Fi,.6) Thill amplifier is providl'd with two ..,\5 of record· ing (TAPE RE CI o utput jacks and two ",,\5 of playback (TAP!> PLA Y) input jack • . Connect each of the jack! in the following way using the con· necti~ cord . which come with the tape deck.

Con nections for recotdiRi Connect the recordi ng input jacks (INPUT) on the tape deo: k to the TAP!> KtC jackJ on the am plifier,

Co nn ectiolll for I>l l yblck Co nnect the playback o utput )scks (OUTI'UT ) on the tape deck to the TAPE PLA Y jacks on the amplifier.

NOTE: CO"_' :1<>'" t«<>nd ,.(>' d..,~ 'Q th, r .... pt: 2 t.<~. (IIKC. n .... YI.

Connectio ... win, the re<:oroinK/ play back con. Metor (Applic.ble to liB, liP, HE models) If your tape dec k il equ ipped with a recording/ playback connector (DIN·type). u"" the optional recordinll/playback cord to connect \hi. co nnector with the TAPE 2 REC/P LA Y jack On the amplifier. In . uch c_, do not connect pin co rds (ordinary pin plug cord.) \0 the T AP!'; 2 KEC and PL AY jacko.

_HONO ........... .

o ~ · o . · "bo . o"

Fig. 3

Fig. 4

Fig , 5

Fig . 6

FRONT PANEL FACILITIES

CD POWER SWITCH Set lh;' .witch to ON to supply power to the amplifier .

(i) SPEAKER SELECfOR Uoe this selector \.0 ..,[eel the spea ker systems. OFF: Sound not obtained from speaken. A, Sound obtained from .peake rs connect«!

to the A . peaker terminals. a, Sound obtained from speak" .. connected

to the 8 Ip<'aker terminal •. A+B : Sound obtained from speak"rs connected

to both A and B speaker t.erminals.

(ll POWER METER This meter aUo,"" you to read out the raU!<! power le~el on the fluorescent display tuhe when _peak .. ", with a nominal impedance of 8 ohm. are connected to the amplifier', apeake, termin als.

B

@ . ' UNCTIQN INDICATORS The TUNER , PIIONO, AUX function indicaton light up in accordan.,., with the polilion of the fu nction selector. /'IOTI': -n. lu",,'iow ;M;"o'o. ",ill nO' ,0 off ""n w~.n tho to". mon;,o •• w;l<h 10.2 .. HI 10 ON

@ LOUDNESS SWITCH When listening to a perfo rman« with the volume control turnl'd down, ... 1 this switch to ON and the bass will be attenluated _ When the volume i. low, the human ear finds it harder to hear the bass than when Ihe volume is high. The loudness ,witch i$ thUi designl'd to compensate for thill deficiency . By seUing it to ON, the bass come. through much moreurongly and the oound u.>kes on a punch even when the volume control i. t uml'd down.

~"""""""""""""""""""""'PIONEER

I

@ VOLUME CONTROL U.., thill control to adjust the output level to the apeakel'll and headphon"". Turn it clock wise to incr .. _ the output level. No lIOund will be heard if you set it to "0",

fJ) HEADPHONE JACK Plug the headphon ... into this jack when you want to li.ten through your s~reo headphonp.<_

NOTE: Sd Ih, ."",." "/;<10' '0 on" whon I;'''n;", only wi'" Iwodpho-.

@ BASS AND TREBLE CONTROLS Uoe these controls to adjust the bass and the treble. If you lum the bass control to the right from ito Ci'nt..r position, you will be able to emphaaize the sound in the low.frequency range. Con""...,])', turning thi. control left from the center l'O'ition, you will attenuate the 5OUnd. Vou Un ulle the treble control to adjust the lOUr><! in the high.frequency range.

(j) BALANCE CONTROL Ute thia: control to balance the volume of the left and right channel • . If the lIOund a ppean to be louder on the right. it means that the volume of the right channel is highcr. Tum the balance control to the left and adjust. Conversely, if the oound appears to boo louder on the left, it means that the volume of Ihe left chlll1nel i& higher. Therefore. tum the balance control to the right and adjust,

@ SUBSONIC FILTER SWITCH When thi& lwitch is..,1 to the 15Hz posilion. the subsonic filter with a cut-<>ff frequency of 1511z;" actuated. The l uboonic filter ... TV ... to attenuate frequenc;"" lo_r Ihan 15Hz in a 6dll/oct slope. It ill therefore effective in suppre .. ing ultrn-Io w­frequency noise which i. generated by record warp and other cau ..... You cannot actually hear this no"", but it ;" a factor in the generation of intermooulation distortion and it may damage your speaker lY"tem. Set this switch to the 1511z poIition during record play for the boon eff'-"'t.

:jJl fUNCT ION SELECTOR Use th;" selector to ... 1'-"'1 the prOll"rnm SOUrct'. When ... t. the function indicator above the meter panel corresponding to the position of the func­tion ... Iector will light up. TUNF.Jt, Set here when listening to broadcu~

on a tuner connected to the TUNER jacks. (The TUNER function indicator lillh~ up.)

PHONO : Set he." when playing ',-",ord. on a turntable connected to the PHONO jacu. (The PHONO function indicator light.6 up.)

AUX: Set here when listening to a program source ",tlich is connected to the AUX jacks. (The AUX function indicator lighU up.)

@ TAPE MONITOR SWITCHES (1 , 2) Use Ihese switches to monitor recorrling or a tape I ... ing played back on a tape deck. 1: Set this switch to ON wh en you want to

mon itor a recording or a tape being played back on a tape deck which;. connected to the TAPE I jacko,

2 : Set this switch to ON when you want to monitor a recording or a tape J:w>inl( played back on a tape d'-"'k which is connected to the TAPE 2 jacks.

,,"OTti , S,I Ih.H .wllch .. 10 'h, "PI>" (OFF) pru;lio" ,,·h,. pl<I,;"II ,teo,.,!. 0' 1"1,.,,,, to b",,,,I<,,,,IJ.

9

OPERATIONS

SQo, k .. "'. ,,,'''

[I P ..

:~

PRIOR TO SWiTCHING POWER ON Ketore swi tching the power on, ",,( the various controls u foUowa: I. Set the ,ubwnic filter switch to on '_ 2. Set the volume control to O. 3. Set the lJoLh tape monitor .wileh ... to on', 4. Set the balance control \() the cent.cr p<»ition. 5. Set the loudneu switch to OFF. 6. Set Ul" tone control. to the center position., 7. Set the .peaker ",,(""tor to the appropriate posi·

tion according to the employed terminals.

PLAYING RECORDS 1. Set the function selector \.0 PHONO. 2. O perate the turntable to play the record. 3. Adjust the volume with. the volume controL 4 . Set the baM and treble controls for the pre ferre<J

baM IlfId treble levels.

Pneoutions when pl.yinK rerord •. • Lower the stylw; genlly on to the ,urfa"" of the

record. It i.o a good idea to tu,n the "nlurn~

down when lo"'ering the 'Iylu, onto the record . • Set the $u!wonic filt-er switch to 15Hz when

there ;1 a great deal of no;II<' in the low_ (re-quency region o r when the bass speake r". diaphragm move. even though no sound can be heard during a perfonnan"".

'0

"~.,""'" .. ,-<, ..

~>< ',It .. _"..,

• 00 not ~aur;e the turntable to vibrate while a record is being played lince this will cause the stylus to jump and IICratch the record. Do not turn off the po wer if the Itylul iJ still lJ'acing groov"", on the record.

LISTENING TO T HE BROADCAST 1. Set the function selector to TUNER. 2.0pernt-e the tuner and tune in to the de.ired

station. 3. Adju.t the volume wi th the volume oon\.rOl. 4 . Set the bass and treble control. for the preferred

bass and treble levels .

US ING THE AUX J ACKS L Set the function selector to AU X. 2. Operate the audio component which you have

connected to the AUX jackA. 3. Adjust the volume with the volume control. 4. Set the basi and treble control. (or the preferred

baoa and treble levels .

~"""""""""""""""""""""""""""PION~

I

USING THE TAPE DECKS PLAYBACK 1. As mown in Fig. 7, ... t the tape monitor switch

1 to ON if the tape deck i$ C()nnected to the TAPE 1 ja.;kl. Set the tape monitor , witch 2 to ON if It iI connected to the TAPE 2 jacks.

2. Operate the tape dec k controlo for playback. 3. Adjud the volume with the volume ""QntTol. 4 . Set Ihe baM and treble controls for the preferred

basil and treble levell.

NOTES: I. AI_y' , ... ,," oorh of Ih. lop<' "'0"'/0' . ... ireh .. 10

rh, "Pi><' pooljo" (Off) ",h,. Y"" or. "0' p"yi"" />d<k e Itlpl.

2. A. "'''''' th.,_ monU", ,witch I o. 2 ... 1 ON, y"" ",jU "" . M. I<> ploy Iwd • I.", "flQI1il# .. of th • .. iii"" of Ih. ,"""non "1.0',,,

RECORDING \. Set the function ... lector to Ihe 1'.000rnm source

to be recorde<l. 2. Play the >;elected program source. 3. Set recording leW!1 by means of the controls on

the tape ded. During recording. the volume, basi, an d treble controls of the amplifier have no effect on the recordin~ I""el.

4, Operate the tape deck control. and .tart record · m,.

TAPE MONITORING If . recording i. being made on a 3-head tape deck. the recorded lOund can be monitored throu~h the spea ke r . yll.em if the tal'e monitor switch 1 or 2 i$ oet to ON. In this case, both recording and play_ back connections mu.t be made.

NOTE '

/! '''~ /wi"," q 2-~.od ""'. _, .. , dook ," <0_'" d.."k, Y"" .. iI/ "'" ~ ~b" ,,, moni/o, 'ho noo«l..s ",,"nd . ... n i( 1_ .. I Ih ,_ .. ".ilo, .w,I<h 10 ON /I" .... , .. ,. YOu wil' bo ~bli 10 h ... '~o ""u.d ql ,M ployl>o<k ond (p,,,. .-om ",,,,,,.)-

DUPLICATING AND EDITING RECORDED TAPU; 1. AI mown in Fig. 9, connect the tape deck for

the ampli rier', TAPE 1 and T APt; 2 jacks. 2. Playback the recorded tape on tape deck 1 and

IOIlt the tape moni to r switch I to ON. 3. Openote the contrail on tape deck 2 and start

recording. 4. Set the tape monitor l witch 2 to ON when you

want to monitor the recorded sound.

o ~ ' 0 ' · bOO · O "

~-~'ig. 7

Non: WM" ffOo«li"" "'i,h ',"0 lop. d«k. "","/lon,,,u./,. do ""'/ "",".-0/, ,M 'op< monilo , I .wil<h .. Iho. will ;"'or­,upl II" 'Ornol In Ih' r" PE 2 <I,d I"" fW_ 8/

t'ig. 8

O:--~o ,._. --_ .... .. - .", "

o[!![j· o " 000 ' 0 "

Fig. 9 Non; II i. 'mp"""I~ ' " d"pl,,,,,,, (,um tho IOJ" d«:k <Oft"""ord 10 Iho T"PIi 2 jock, lu 'h, ,_ d.d <O"M<I«I 10 Ihe TAPIi I j.<k~

--------------------------~ CONDITIONS FREQUENTLY MISTAKEN FOR MALFUNCTIONS

In event ot .... ,pectal malfunction. clwck the unit according to the follo wing table and confirm proper opention of other connected equipment. It the di fficult y cannot be corrected. tum off the JIOwer and contact a Pion~r authorized service cente •.

Sv _ _ D~_ ... "" Rt _ v

~- • Doe> _ "",,<>,,,. ,..." on' • . ""'..,_ eo«1-.. .... "'to _ <N, ... .

• So' po __ rt,h to 0/'1 .

• "'t _ .... '"_. topo _ , .... ".".. """, . • Co"_' "'_'. "" ... ,,'_, ... ...-'.1 '" •• _ .. - --~

..._'v, ".- ,''"_,'.,,,,, __ ,, • " '" .• ,,"'" .. ,.",,'" ~ '" <.""-"" ,. • .' • ,~ '. - «" -,- ,. , .

...... om """<0' _'<0.

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• c_. ""'''''''' _,,,"_ • Ro .. " ""' __ ,,01 Cloc' _ .

o.oco.., .. "",. 00'" 0' • "'''_'' ","_toO "".,_1.1 • Con,*", ", "'0 .. "" ..... ,,.,,,,,. ..... ,""'. - INo.,. ..... _,_ ..- ... _ .. _ ... ,,,",-

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• Any",_ ."," ,""_ .... ,~",,' • eo._, '"'' H_'_ • ,",".- ...., ..-' ''' . ,. " ,,, " ,,,. t. """ • T ... _ .... ",. ' ....... ,- "'""_ 01 ,.., .. __ i" o;_

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PIONEER E LECTRONIC CORPORA TION .... , Mogun> '-C,,~ , MooY"' -'U. ToI<><> 1!53.-,"<>_ U •. p..,.,. ........ CT_ ... COO'O_ATIDN "" 0 . ,.,.,., CroV., .....,.",..,., .. , ..... _ . 0707", U II.A ., ......... .... ~C .. "--'P., Mil. L",,,, • .,..,_v.., S .2030 An_'P, a.>govM .. , .......... LECT_C ......... TRAL' ... "TV. LTD. "8·184 """"" • ...,. "" .... , " '-_. vc-.. 311i1ei. Au."""',.

" .D09FlfI01)

SPECIFICATIONS Semiconductors ICs ... . .... . . Transistors . . .. .

3 21

Diodes .. ..... . .... ..... . ... ..... . . .. 18

Amplifier Sec tion

Continuous Power Output of 25 watts' per channel, min . , at 8 ohms from 20 Hertz to 20,000 Hert z wi th no more than 0.03 % total harmonic di stortion or 25 watt s per channel at 4 ohms from 20 Hertz to 20 ,000 Hertz with no more than 0.05% to tal harmonic di stortion. Con tinuous Po wer Output at 1 kHz (both channels driven)

T.H ,D. 0.03%, 8 ohms . .. . . . . . 28 watts per ch annel To tal Harmonic Distortion (20 Hertz to 20,000 Hertz,

8 ohms, from AUX) conti nuous rated power out put .. No more than 0.03%

, 2.5 watts per channel power outpu t . . .... . . . . . .... . . No more than 0.03%

1 watt per channel power output No more than 0.03%

Intermodulation Distor tion (50 Hertz: 7,000 Hertz '" 4: 1, 8 ohms, from AU X) continu ous ra ted power output .. No more than 0 .03% 12.5 watts per channel power outp ut

No more than 0.03%

1 watt per channel power output No more tban 0,03%

~ping Fac tor (1,000 Hertz , 8 ohms) . . . .. . . . .. . ~ In put (Sensit ivity/ Impedance)

PHONO . .. .. . . . . ... . . . . . . . 2.SmV/47k il ohms TUNER . ... , . . . , . . , .1 50mV/50ki lohms AUX . .. . . . . . . ... . . . ... , , , l S0mV/SOkilohms TAPE PL AY 1 , ..... , . , . , . , .. l S0mV/50 kilohm s TAPE PLAY 2 .... . ... , . . .. . . 150 mV /50kil ohms TAPE PLAY 2 (DIN connector; HB, HE, HP models) . . . ... 150mV/SOkiloh ms

Ph ono Overl oad Level (T.H.D . 0.1 % I,OOOHz) PHONO , ... . . . ,., . . . . . . . . .... . . . . 140mV

Output TAPE REC I ., ... . . , .. .. . . ... , .. . . . l S0mV TAPEREC2, . . . . .... . . ,., . . . . . ,., 150mV

.TAP E REC 2 ( D I ~ connector; HB, HE, HP models) ... , . , . . 30mV/80 kilohms

Spea ker . . , .. A, B, A+B

4-16 ohms

Fre quency Response

PHONO (R IAA Equalization) . ... . . . . . . .. , 30Hz to 15,000Hz ±O.5dB

TUNER, AUX, TAP E PLAY . ...... , . , 20H z to 40,OOOHz ±2dB

Tone Control BASS. . . . . . . . ...... +7,5d B, - 7.5dB (100Hz) TREBL E .. ... . . . .. . ... , . . +8dB, -8d B (10kHz)

Su bsonic Fil ter . . . . . . . . . . .. . . .. 15Hz (-6dB/oct) Loudness Contour (Volume control set at -40dB

position) . . . ..... .... . . . ... , . , . +6d B (100Hz) Hum an d Noise (IHF, short-circuited, A network)

PHONO .. . .. . . . . ,., .. , .. . .. . , . .. .. . 76dB TUN ER, AUX, TAPE PLAY . .. , . , . , , . . . .. . 98dB

Hu m and Noise (DIN cont inuous power/50mW) PHONO , .. . . .. ... . .. . . , . . , . . . . 68dB/57d B TUNE R, AU X, TAPE PLAY , . , , , , , . ,. 82dB/58d B

Misce ll a neous I Power Requireme nts .... . HE model; AC2 20V, 50/60Hz

HB, HP models; AC240V, 50/60Hz S,SjG models ; AC IIOVj 120V/220V/240V, 50/60Hz

Po wer Consumption . , .... . HE, HB, HP models ; 240W 5, S/G models; 80W

Di mensions . . . ... , .. . 4 20( W) x 150( H} x 27 1 (D ) mm 16·9/16(Wj, '·({8(H), 1Q. ll {16(Q); ,_

Weight (with out pac kage) . . . .. .. 6.7 kg( 14lb 120z}

Furnished parts Operating instructions

Fuse (5, 5/G models only)

. , . . . , , . . . , . , , . . . . . , 1

.... . .... . . ~ 2A;1, 1.2A;1

• Measured pu rsuant to Federal Trade Comm ission's Trade Regu lation rule on Po wer Outpu t Claim8 for A mplifiers.

NO TE: J Specifica tions and the design subject 10 possible modi fi· cation withou t lIotice due to improvemen ts.

SA-50S/HB,HE SCHEMATIC DIAGRAM

!

Q'o.,' ,[I

25 • .,0-1; .. D

I

I i

1-" ;"

, ~E$'S1'O~ . I ......... .. n . • / ..... ,", __ • "" ... ~. Ul. " , WI. (fI. . ,' Ica . • 1110. ( ~I • • ,,", --2 c ..... A.CIlOIIIS. '-"''''''''_'''''.I~f l_,,,,' \fl ...... __ -~. P' __ .. ,_, .... ..,.. WI\I.~ __ .'c

- '. J VOl'AGI , CU""UH. c::::tl .s.,..oo ....... .. t,,,,· ~wan ......... ' 'c::J , OC: ...... ( If , 01 flO "'IN'''''' v_ ... , ' ~ OC"""''' ' __

O ...... . oc:_, ...... ...... '_ • OTH(JIS. _ .""'"' ...... ,:!t!::, ... ~':::::'--, ...... -........ ____ 01 .... .... "tac: ........... ..... n ........... __ ..... "' ..... __ .. '" -, .... _-n... ~ .... __ .. _ ..... ""' ... "" ..... <-,' ...... .......... . ..... " .. -

S'oI IT'CHED

51 POIlU

S2 SP&.O.J<I:as

5 1 nlNCTl Oli

(IN-Q!!

S. TAP!! _IT'O~ I ru-otl n T""E _1'I'OIl J QU-otf

Th. Wldorllned In<lien .. t ho . .. I t ch poo l t l.,.,.