Crest Audio CPX 3800 manuale d’uso

CP X TM 3800 P o wer A mplifier O wner ’ s Manual CPX ®[...]

Este símbolo tiene el propósito , de alertar al usuario de la presencia de “(voltaje) peligroso” sin aislamiento dentro de la caja del producto y que puede tener una magnitud suficiente como para constituir riesgo de descarga eléctrica. Este símbolo tiene el propósito de alertar al usario de la presencia de instruccones importantes sobre l[...]

IMPOR T ANT SAFET Y IN STRUCTIONS WARN ING: When using electrical products, basic cautions should always be followed, including the following: 1. Read these instructions. 2. K eep these instructions. 3. Heed all warnings. 4. Follo w all instructions. 5. Do not use this apparatus near water . 6. Clean only with a dr y cloth. 7. Do not block any of t[...]

WICHTIGE SICHERHEITSHINWEISE ACHTUNG: Beim Einsatz von Elektrogeräten müssen u.a. grundlegende V orsichtsmaßnahmen befolgt werden : 1. Lesen Sie sich diese Anweisungen durch. 2. Bewahren Sie diese Anweisungen auf. 3. Beachten Sie alle Warnungen. 4. Befolgen Sie alle Anweisungen. 5. Setzen Sie dieses Gerät nicht in der Nähe von Wasser ein. 6. R[...]

INSTRUCTIONS IMPORT ANTES DE SECURITE A TTENTION: L’utilisation de tout appareil électrique doit être soumise aux precautions d’usage incluant: 1. Lire ces instructions. 2. G ardez ce manuel pour de futures références. 3. Prétez attention aux messages de précautions de ce manuel. 4. Suivez ces instructions. 5. N’utilisez pas cette unit?[...]

INSTRUC CIONES IMPOR T ANTES P ARA SU SEGURIDAD CUIDADO: Cuando use productos electrónicos, debe tomar precauciones básicas, incluyendo las siguientes: 1. Lea estas instrucciones. 2. Guarde estas instrucciones. 3. Haga caso de todos los consejos. 4. Siga todas las instrucciones. 5. No usar este aparato cerca del agua. 6. Limpiar solamente con una[...]

1 S a v e t h e c a r t o n a n d p a c k i n g m a t e r i - a l s ! Shoul d y ou ev er need to shi p t he uni t, use onl y the origin al factor y pack - ing . F or r ep la ce m en t p ac ka gi n g, c al l C re st P erfo r mance’ s Custome r Ser vice D e p art me n t d i r e c t l y . 2 Rea d all doc ume ntat ion bef ore o pe ra ti n g yo ur eq [...]

p.  table of contents 1 2 3 4 5 6 7 how to use this manual p.9 introduction p.10 installation p.11 u n pa c k in g m o un t i ng c o nn e c ti n g po w e r c o ol i n g r e qu i r e m en t s o p er a t in g p r e c au t i on s c o nn e c ti n g in p u t s c o nn e c ti n g ou t p u ts features overview p.15 f r o n t pa n e l r e a r pa n e l op[...]

p. 9 how to use this manual 1 conventions t er m s o ff ic ia l Cr e st P e rf or m an ce f ea tu r e s a nd e ac h i nd i ca to r or co nt r o l o n t h e a mp l if ie r w i ll a pp ea r as : te rm s a ct i on s s pe ci fi c ac ti o ns or se l ec ti o ns th e u s er ca n ex e cu t e w il l ap p ea r a s: ac ti on s t as k s a r e b r ok en do w n [...]

p. 10 welcome C on g ra t ul a ti o ns o n y o ur p u r c ha s e of t he C P X 38 0 0 Se r ie s , a p o w e r am p li - f ie r d es i gn e d fo r y e ar s o f r el i ab l e, fl a wl e ss o p er a ti o n un d er r i go r ou s us e. T hi s am p li f ie r of f e rs t he s on i c s u pe r io r it y an d un s ur p as s e d r e l ia b il i ty f o r w hi [...]

p. 11 installation 2 unpacking mounting connecting power cooling r equirements operating pr ecautions connecting inputs connecting outputs / w ha t t o d o w it h t h e s h i pp i n g c a r t on / p r o pe r r ac k - mo u n t in g t ec h n iq u e / r e q ui r e d A C l i n e v o l ta g e s / k ee p i ng t h e a m p l if i e r c o o le d / p r e ve [...]

CPX TM owner’ s manual p. 12 installation 2 unpacking U po n u n pa c ki n g, in s pe c t t he am p l if i er . If y o u f in d an y da m ag e, no ti f y y o u r s up p li e r i mm e di a te l y . On l y t he co ns i g ne e ma y in s ti t ut e a c la i m w it h th e c ar ri er fo r d am a ge i nc u r r ed du r in g sh i pp i ng . Be su r e to sa [...]

2 p. 13 installation Make cer tain that there is enough space around the front and rear of the amplifier to allow the heated air to escape . suggestion: In r acks with closed backs, allow at least one standard-rack-space opening for ever y four mounted power amplifiers. a cooling requir ements T he CP X ™ Se ri e s a m pl i fi e rs us e a f or ce[...]

connecting inputs I np u t c on n ec t io n s a r e m ad e vi a th e t hr ee -p i n X LR (p i n 2 +) o r 6 .3 m m p lu g “C om b i” c on n ec t or s on t he r e ar p an e l o f th e am p li f ie r . T h e i n pu t s a r e ac t iv el y ba l an c e d. T he i np u t o v er l oa d p o in t i s h ig h e n ou g h to ac ce p t t he m a xi m u m ou t p[...]

fr ont panel r ear panel / l oc a t io n o f co n n ec t o rs a n d co n t r ol s / l eg e n d o f p a ne l s ym b o l s 3 p. 15 featur es overview[...]

p. 16 CPX TM owner’ s manual featur es overview 1 fr ont panel switches and contr ols 1 A C P o we r S wi t ch / C ir c ui t B re a ke r T he C PX S er i es a m pl i fi e rs h a v e a co m bi n at i on A C s w it c h/ c ir cu i t br e a k e r o n t h e f r o n t p a ne l . I f th e s wi t ch s hu t s o f f d u ri n g no r ma l us e, pu s h i t b [...]

p. 17 featur es overview 3 indicators C PX ™ Se r ie s am p li f ie r s fe a tu r e t hr ee f r o nt p an e l L E D i n di c at o rs p er c h an n el : G CL ™ , S I GN A L an d PO W ER . T he s e L E D i n di c at o r s i n fo r m th e us e r o f e ac h ch a nn e l’ s o p er a ti n g s t at u s a n d w a rn o f po s si b le a bn o rm a l c o [...]

p. 1 featur es overview 3 r ear panel 6 I EC M ai n s Co n ne c t or This is a standard IEC power connector . An A C mains cord having the appropriate A C plug and ratings for the intended operating voltage is included in the car ton. Warning - all apparatus with class 1 construction shall be connected to a mains socket outlet with a protectiv e[...]

p. 19 featur es overview 3 7 L ow C ut S w it c h T hi s s wi t ch i s u s ed t o ac t iv a te t he L O W C UT f il t er f o r t h e c o r r e sp o nd i ng c ha n ne l . I t i s a pu s h- t yp e s w it c h th a t r eq u ir es a s m al l t oo l t o ac t iv a te . T h e IN p os i ti o n r ou t es t he i n pu t si g na l s t h r o ug h th e 40 H z LO [...]

p. 20 featur es overview 3 CPX TM owner’ s manual 0 C on n . M o d e S e le c t Sw i tc h Depressing the r ear panel CONN. MODE select switch connects both input connectors together in parallel. This directs the same input signal to both channels and allows one connector to be used with a patch cable to drive another amplifier . In the OUT positi[...]

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p. 22 operation modes 4 ster eo parallel bridged mono / c ho o s in g t h e a p p ro p r ia t e m od e / s wi t c hi n g b et w e en o p er a t i on m o de s / s pe c i al c o n si d e ra t i on s w h en u s in g b r id g e d m o d e CPX TM owner’ s manual[...]

p. 23 ster eo F o r st e r eo ( d ua l c ha n ne l ) o p er a ti o n , t u rn t he a m pl i fi e r of f a nd s et t h e mo d e s el e ct s w i tc h es on t h e ba c k pa n el to t h e OU T ( ex t e nd e d) p o si t io n . In t h is m od e, b o th ch a nn e ls op e ra t e i n de p en d en t l y o f e ac h o t he r w i th th e ir in p ut a tt e n ua [...]

p. 24 pr otection featur es 5 G C L ™ gain comparator limiting IGM ™ impedance sensing AUTORAMP ™ signal control thermal pr otection short circuit DC voltage pr otection tur n on/off / d es c r ip t i on o f p ro t e c ti o n fe a t u re s CPX TM owner’ s manual[...]

p. 25 pr otection featur es 5 T he CP X S e ri e s a mp l if i er s in co r p or a te se v er al ci r cu it s to pr ot e ct bo t h t he m se l v es an d lo u d- s pe a k e rs u nd e r vi rt u al l y an y s it u at i on . Cr es t P e rf o r ma n ce h as a t te m pt e d t o ma k e t h e a m pl i f ie r s a s f o o lp r o o f a s p os s ib l e b y m a[...]

tur n-on/turn-off protection A t p o w er - u p , t h e a mp l if i er st a ys in th e pr ot e ct mo d e w it h o u tp u ts di s co n ne c te d fo r ap p r o x im a te l y s i x s ec o nd s wh i le th e po w er su p pl i es c ha r ge a nd s ta b il i ze. W hi l e t h e o u tp u t r e l a y s a r e op e n, th e GC L ™ L E Ds l ig h t. W he n p ow [...]

p. 27 safety 6 speaker pr otection user r esponsibility / p ro t e ct i n g yo u r sp e a ke r s / t he o w ne r ’ s ro l e in a m p li f i er s a f et y[...]

p. 2 CPX TM owner’ s manual safety 6 speaker protection A ll l ou d s pe a k e rs h a v e e le c tr i c al , t h er m al a n d p h ys i ca l l im i ts t ha t m u st b e ob s erv e d to p r e v e n t d am a ge o r f ai l ur e. T o o m uc h p o w er , lo w f r e qu e nc i es ap p li e d to hi g h fr eq u en c y dr i v er s , se v er e l y c li p[...]

p. 29 service and support 7 / w he n t o g e t s up p o rt / w ay s t o c o n t ac t C re s t P er f o rm a n c e support contact us[...]

p. 30 support I n t he un li k el y e v en t t h at y ou r a m pl i fi e r de v el o ps a p r ob l em , i t m u st be r e tu r ne d t o an au t ho r iz e d d is t ri b ut o r or se rv ic e ce n t er o r sh i pp e d di r e ct l y t o o u r f a ct o ry fo r se rv ic e. T o ob t ai n se rvi c e, c o nt a ct y o ur n ea r e st C r es t P er f o rm a nc[...]

p. 31 CPX TM Series CPX 3800 Rated P ower Bridged 8 ohms 2650 watts @ 1 kHz at <0. 1% T.H.D. Rated P ower (2 x 4 ohms) 1 300 watts per channel @ 1 kHz at <0.05% T.H.D. both channels dr iven Rated P ower (2 x 8 ohms) 775 watts per channel @ 1 kHz at <0.05% T.H.D. both c hannels driven Rated P ower (1 x 4 ohms) 1 500 watts @ 1 kHz at <0.0[...]

b wi r e g au ge power loss into pow er loss into p o w er l o ss into (A WG) 8 Ω load (%) 4 Ω load (%) 2 Ω load (%) p. 32 18 16 14 12 10 .79 .50 .31 .20 .125 1.58 1.00 .62 .40 .25 3.16 2.00 1.24 .80 .50 5 feet 18 16 14 12 10 1.58 1.00 .62 .40 .25 3.16 2.0 1.25 .80 .50 6.32 4.00 2.50 1.60 1.00 10 feet 18 16 14 12 10 8 8.00 4.00 2.50 1.60 1.00[...]

p. 33 glossary of terms (for setup) Stereo Music with two separa te channels, usually a left and right channel. Mono Music with only one channel. Crossov er An elec tronic device that separa tes high and low frequencies and sends them to dier ent outputs. The sepa - rate signals ar e usually sent to a high out and a low out. Bi-amp The separatio[...]

NO TE S[...]

CREST A UDIO LIMITED W ARRANTY Eff ective Date: Nov ember 1, 2000 What This Warranty Covers Y our Crest Audio W arranty covers defects in material and workmanship in Crest Audio products purchased and ser viced in the U.S.A. What This Warranty Does Not Cover The W arranty does not cover : (1) damage caused by accident, misuse , abuse , improper ins[...]

h t tp : / / w ww . c r es t - p e rf o r m a nc e . c om C P X TM O w n er ' s M a n u al 0 1/ 1 8 / 20 0 6 8 0 3 03 1 5 3[...]