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Perreaux Prisma 350 manual

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Table of contents for the manual

  • Page 1

    Prisma 350 Stereo Power Amplifier Owners Manual[...]

  • Page 2

    2 P e rrea u x Indus t ri es Li m it ed m ake s no w arra nt y for t he us e of it s p r oduc t s , o t he r t han t hos e e x p ress ly cont ai ne d in t he warra nt y de t a il e d here in. T he Com p a ny ass ume s no re s p ons i bil i ty for a ny errors w hic h m ay app ea r i n t his docum e nt , reserve s t he rig ht t o cha ng e p roduct s [...]

  • Page 3

    3 i i i i I n trodu c i n g th e Perrea ux 350 Pow er A m pli fi er Cong ra t ula t i ons on y our P erre a ux 350 p urcha s e . T o re al i s e t he full p o t ent ia l of y our uni t y ou nee d t o a pp rec i at e a l l a s p e ct s of it s o p era t i on. Be fore i ns t al l i n g t he 350 i nt o y our s y s t e m , re ad t he ent ire m a nual c[...]

  • Page 4

    4 ii ii ii ii I m portan t Saf et y I ns tru c tions Note : A l l s a f ety an d ope ra t ion inst ru c t i on s s h oul d be r ea d c a re f ul l y be f ore the 35 0 is oper a t e d. Ke ep th e Owne r s M a nu al in a s a f e pl a c e f or f ut ur e re f e re nce.  T he 350 s hould not be us e d nea r w a t er, for e x a m p le ne ar a b at ht [...]

  • Page 5

    5  D O N O T at t e mpt t o rep ai r t he 350. In t he e ve nt of a p roble m , p le a s e c ont ac t y o ur P erre a ux d ea l e r.  D O N O T o p era t e t his p roduc t i n an e x p l os ive a t mosp here . C au t ion! Th e 35 0 i s a n e xt r e me l y high pow er ed , c onv e c ti on cool e d a mp l i f ier . Th e f i nn ed oute r h e at [...]

  • Page 6

    6 iii iii iii iii T able of Co n te nt s i i i i I n t r od u c i n g t h e Pe r re a u x 3 50 Po w e r Am p li fier ..... .... .... ..... ..... ..... .... ..... ..... ..... .... ..... 3 i i i i i i i i I m p o r tan t Safety I n s t r u ct io n s . ..... .... ..... ..... .... .... ..... ..... ..... .... ..... ..... ..... .... ..... ... ..... .....[...]

  • Page 7

    7 1 1 1 1 Un pac ki ng and Placem en t T he 350 i s p ac ka g ed for m a x im u m p rot e ct ion. P l ea s e c are ful ly re ad t he i ns t ruct ions bel ow be fore p roce edi ng t o unp ac k t he unit . Be e x t re m el y ca re ful. Un p ac k in g Pr o ce d u r e  Ins p e ct bo t h ends of t he c a rdboard bo x and op en a t t he end wit hout t[...]

  • Page 8

    8 V e n t il at io n R e q u i r e m e n t s T he 350 is a hi g h-p ow ere d a mp li fi er. F or o pt im al p e rforma n c e, t he unit M U S T re ce i v e a d e qu a t e ve nt i la t ion.  P l ea s e do not i ns t a ll i n a sea l e d c abi ne t .  P l ea s e do not s t a c k p roduc t s dire c t ly on t o p of t he unit .  P l ea s e do [...]

  • Page 9

    9 2 2 2 2 I n sta nt Ins tall If y ou a re li k e us , t he first t hi ng y ou w il l w ant t o do is t o p l ay y our favouri t e p i ec e of music t hroug h y our ne w 350. T he foll ow ing inst ruct ions are w rit t e n t o e nabl e y ou t o a chi e ve t his as quic kly as p o s s ibl e . T hese a re not com p re hensive i ns t ruct ions, bu t a[...]

  • Page 10

    10 St a r t y o u r s ou r ce comp o n e n t S w it ch on t he s ource c omp onent bot h a t t he w al l and on it s fron t p ane l . Ensure y ou ha ve some s ource ma t e ria l i n s e rt e d and p ress p la y . I n c r e ase the v o lu m e S l ow ly i ncre ase t he p re am p li fi er vo lum e co nt rol t o ac hi e ve a c omfort abl e l ist eni ng[...]

  • Page 11

    11 3 3 3 3 F ron t Pane l F u n c t i o n s Po w e r I n d icat or T he indi ca t or l i g ht is an L E D t hat s how s t he st a t us of y our 350 p ow er a mp li fie r. O f f T hi s indi ca t e s t hat t he am p li fie r i s ei t he r not con nec t e d t o t he m ai ns s upp l y , or t he unit is in st andb y . T he uni t no t b e ing conne ct ed[...]

  • Page 12

    12 4 4 4 4 R ear Pan el F un cti on s C au t ion! P l ea s e ma k e a l l c h an ge s a t minimum vol um e s e t ti ng . O nly i n c re ase th e vol um e af ter the c on ne c t i on s ha v e b e e n ma de . Ser ial N u m b e r T he s eri al num ber is unique t o y our 350. P le a s e rec or d t his numbe r a nd s t ore it i n a s afe p la c e. F or[...]

  • Page 13

    13 F use Ra t i n g T he fus e ra t i ng disp la y ed he re, re fers t o t he ra t i ng of t he m ai ns i n le t fus e . F or m ore i n form a t i on on fus e ra t i n g s , p le as e ref er t o Chap t er 13 “ S p e ci fi ca t i ons ”. C au t ion! Ne ver re pl a c e th e f us e s wi t h a ny oth er ra t i n gs othe r th a n t h e on e speci f i[...]

  • Page 14

    14 Ma s ter Tr i gg e r In put T he ma s t er t rigg er inp ut (l eft mos t 3.5mm s ocke t ) i s u s e d t o t ake t he 35 0 i n and out of s t a ndb y . T he m ast er t rig ger i np ut i s desig n e d t o ac c e p t a 3.5m m di a m et er m al e p lu g . T he volt age rat in g is + 5V t o + 12V D C l e vel O N and 0 V D C le ve l O F F . T he p lug[...]

  • Page 15

    15 Ba lan ce d I n p u t s A c ce p t s a s i g nal from a p rea m p li f i er w i t h bal a nce d out p u t s vi a a hig h qua li t y X L R conne c t or. T he us e of g ood qual it y ba la nc ed li n e ca b le i nt o t he bal a nc ed i np ut ca us e t he i np u t s i g nal t o be re la t i vel y i mm u n e t o noise and e x t erna l e ffe ct s c a[...]

  • Page 16

    16 5 5 5 5 Spe c i al D esign Phil osophies P e rrea u x ha s b ee n d esi g nin g and m anufa c t urin g on ly t he hig h est qua li t y a udio c o m p onent r y for more t ha n a quart er of a c e nt ury . T ec hn ol o g y ha s cont inue d t o e volve ra p idl y ove r t ha t t im e a nd our know le dg e a nd ap p l ic a t ion of de s i g n, m at [...]

  • Page 17

    17 “ F orm a nd funct i on” a re bot h t oug h m ast ers. T hat i s w h y our am p l ifi er he at s i nks a re not hi dden, but inst ea d fe at ure p rom ine nt l y in a ll our d e s i g ns . W e m ake no e x cuses for p roduci ng s ome of t he m os t di s t i nct ive hi g h- e nd a udio p roduc ts on t he p l ane t . We le t “ form a nd func[...]

  • Page 18

    18 6 6 6 6 Spe c i al D esign F eat u res R u g g e d Bu il d Qu a l it y M e cha ni ca l s t re ng t h has be en a ha ll ma rk of P e rrea u x p roduc ts s i nce t he c omp any first s t art ed p roduct ion ba c k in 1974. T he c on c ep t behi nd t he p hys ic a l de s ig n and const ruct ion i s t hat ea c h s t ruc t ura l m em b e r s hould co[...]

  • Page 19

    19 M u lt ip le Pr o t e ct io n Sy st e m s T he 350 i s e qu ip p ed wit h a num ber of p rot ec t ion s y s t e ms, i s ola t ed from al l s i g na l c a rry i ng c ir cui t s vi a op t o- c ou p le rs , t o p ro t e ct bot h it s el f a nd a nc i ll ary e quip me nt . DC O f f set P rote c t i on T hi s s y s t e m senses if a ny di rec t c urr[...]

  • Page 20

    20 7 7 7 7 M axim isi ng Sy ste m Poten ti al I n t e r c o n n e c t s an d Sp e a k e r Ca b l e s A n oft e n- i g nored a re a i n hi g h fi del it y s y s t em s is t he c a bli ng conne ct in g t he va rious c omp onent s . Int erc onne ct le a ds s hould b e hi g h qual it y ca ble w i t h s ubs t a n t ia l t erm ina t i ons . G old p la t [...]

  • Page 21

    21 T he rej ec t i on rat io ac hi eve d is descri be d i n mi nus dB. T he C M RR of a s ys t em fol lows t he formul a 20L o g ( V output / V input ). In ot he r w ords a CM RR of – 40dB m ea ns t ha t a ll g a rba ge ent eri n g t he unit w il l be ma d e 100 t im es s ma l le r. T he p i ec e of equi p m ent w i t h p oores t C M RR w i ll e [...]

  • Page 22

    22 8 8 8 8 T he Pow er M OS F ET T oda y wi t h t he va s t num ber of t e chni ca l ac h i eve me nt s occ urrin g a round t he w orl d, ma ny di s cove r i es ar e ove rs hadowed or obs cur ed by s ome t hat ma y a pp ea r m ore i mp ort ant t o t he g ene ra l m edi a . O ne such d iscove ry of i mp ort anc e, t o t he audi op hil e at le a s t [...]

  • Page 23

    23 t he ir m uch s ma l le r s iz e, no fi l a me nt s and g re at er re li abi l it y w i t h reduc ed vul nera bi l it y t o p h ys ic al da m a g e. Au d io Ap p li c at io n s W hen us ed in an aud i o p ow er am p li fi er, t he adva nt ag es of t he p ow er MO S F ET ove r t he p ow er t ransis t or are m uch more diffi c ult t o descri be an[...]

  • Page 24

    24 H ig h Fr e q u en cy R e sp o n se P roba bly , from t he so ni c qua li t y p oin t of vi ew, t he m os t i mp ort ant im p rovem e nt i s t he p ow er M O S F E T s vas t ly s u p er i or hig h fr eque ncy res p ons e. A l ar g e p ro p or t ion of t he p o w er t ransis t ors us ed in mode rn hi- fi am p li fi ers s t art t o s ho w a dec l [...]

  • Page 25

    25 9 9 9 9 Care an d M aint en an c e T he 350 ha s be en de s ig ned t o p rovi de m any y ea rs of t roubl e fre e e njoy m ent . It ’s im p ort a n t t o kee p t he ex t eri or of t he unit c le an a nd t o p eri odic a ll y ensure t ha t t he ai r-cool in g g r il ls re ma i n cl e ar from obs t ruc t ion. Note : P l ea s e s wi tc h t h e un[...]

  • Page 26

    26 1 0 1 0 1 0 1 0 W arran ty Inf orm at i o n an d Obtai n i n g Se rvi ce 1 Ye a r L imit e d W a r r a n t y T he Perre aux 350 i s w a rrant ed t o be fre e from de fec t s i n ma t e ria l a nd w orkm anship under norma l us e t o t he ori g in al p urc haser for a p eri od of 1- y e ar (365) da y s from t h e dat e of p urc has e from a n aut[...]

  • Page 27

    27 1 1 1 1 1 1 1 1 E xt e nde d W arran ty R eg i stra ti on F orm P l ea s e com p l et e t his form and ei t her fax , ma il or s c an and e- m ai l it t o P erre aux Indus t ri es Lt d. F a x : +64 3 489 2976 M a il : P e rrea u x Indus t ri es Lt d P O Box 305 M o s g i el D une din 9053 N e w Z ea l and E -ma i l : info@ p erre a ux . com A l [...]

  • Page 28

    28 1 2 1 2 1 2 1 2 F ault fi n di n g Yo u r Sy ste m Ca u s e a n d E limina t io n o f H u m H um is a p art ic ula rl y annoy ing form of noise in a ny hig h fide l it y s y s t e m and at s om e t im e has bee n e x p e rie nc ed by ma ny of us . H um ma y re s ult from a num ber of di ffere nt s i t ua t ion s a nd t o ma ke ma t t e rs w ors [...]

  • Page 29

    29  W hen a p i ec e of equi p m ent is s upp li e d w it h a t hree p i n ma i ns /l i n e supp ly l ea d a l l t hree p i ns must be c onne ct ed i n t he corre c t fashion - see y our de al e r if i n d oubt .  Che ck a l l int erc onne c t ing s i g n a l l ea ds for g ood con ne ct ions, b ot h i nt e rnal c onnec t i ons and fi rm cont [...]

  • Page 30

    30 S tep 1 – L ou ds pe a k e rs P RE A M P LIFIE R 350 A B Cha nge t he l ouds p e ake r le a ds from one louds p ea ker t o t he ot he r. If t he fa ult re ma i ns in loudsp ea ke r ‘A ’, t hen l ouds p e ake r ‘A ’ is at faul t , g o no furt her. If t he faul t now app ea rs i n louds p ea ke r ‘B’ t hen t he p roble m li e s furt [...]

  • Page 31

    31 If t he faul t s t ays in louds p ea k e r ‘A ’, t he n it is p robabl e t hat t he faul t m ay e x ist w i t hin t he a m p li fie r. C au t ion: C ha nging of a ny c onn e c t or s mu s t b e c ar ried o ut a t a minimu m vol um e setti ng . O nl y i ncre a s e the v olume aft e r t he c on ne c t ions ha v e b e en c h an ge d. S tep 3 b [...]

  • Page 32

    32 Fa u lt fi n d ing Flo w ch a r t S wap l oudsp e a ke r c onn e c t i o ns F a ul t i n l ouds pe a ke r A F a ul t i n l ouds pe a ke r A ? S wap a m pl i fi e r out put s Re s t ore s pe a ke r c a bl e s t o or i gi na l c onne c t i ons F a ul t i n l ouds pe a ke r B? S wap a m pl i fi e r s ourc e i npu t c ha nne l s L ouds pe a ke r A a[...]

  • Page 33

    33 1 3 1 3 1 3 1 3 Spe c i fic at i ons T he 350 s p ec ifi ca t ions are de t ai le d i n br ie f and t he n s ubs e quent ly in m ore det a i l. In t he de t ai le d version, w e a t t em pt t o e x p la i n t he s ig nif ic an ce of e ac h s p e ci fic a t ion. T he c orrel a t ion be t w ee n p ub l i s hed s p ec ifi c at ions an d s onic qual[...]

  • Page 34

    34 P owe r C onsum pt ion Idl e ................................................................................................................... 80W M a x im um .................................................................................................... 1300W (a t 4 Ω r a t ed o u t p u t ) Ma i ns Inpu t Volt a ge 100V , 110V , 120 V [...]

  • Page 35

    35 V olt a g e G a in ............................................................................................. 30.7d B T he am ou nt of a m p l ifi c at ion t he am p l ifi er i s a s s ert ing on t he inp ut s ig nal . G ai n c an be c a lc u la t e d by divi di n g t he ra t ed out p u t b y t he i np u t s ensit ivi t y . Dy n a m ic H e a [...]

  • Page 36

    36 1 4 1 4 1 4 1 4 Phy si cal D i m en si on s[...]

  • Page 37

    37 1 5 1 5 1 5 1 5 Cont act D et ai ls F or m ore i nform at ion p le a s e c ont a ct y our P erre aux d e al er, or c ont a ct : P e rrea u x Indus t ri es Lt d P O Box 305 M o s g i el D une din 9053 N e w Z ea l and P h: + 64 3 489 2975 F a x : +64 3 489 2976 E -ma i l : i nfo@p erre a u x . com Int e rnet : ww w . p erre a ux .com[...]

  • Page 38

    38 I n sta l lat i o n N ote s[...]