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Страница 1: ... The L eade r in A udio Engineen ng Full Power Balanced Power Amplifiers 600 300 200Stereo 650M 350M 250M Monaural Instructions for Use v 98 2 Owner s Reference ...

Страница 2: ...capacitorscannot compensate for voltagedrop Full Power Balanced amplifier s regulatedoutputstageandpower supplyis impervious to theseformsof corruption Currentandvoltageremainconstant underall operating conditions Balanced AmplifierDesign YourFull Power Balanced amplifier incorporates completely balanced circuit topology frominput to output maintaining the integrity of the audiosignal andexercisin...

Страница 3: ...r adaptive biasing schemes TheFull Power Balanced amplifier follows all classic KRELL mar ufaoturing and materialsrequirements andI am surethat youwill not find its equalanywhere in theworld Enjoyyour KRELL Full Power Balanced amplifier Sincerely DanD Agostino C E O 4 ...

Страница 4: ...lifiers the Full Power Balanced 250M 350M and650M Installation connection and operation of all amplifiersin theseriesis identical however please notethat two Full Power Balanced 250M 350M or 650M amplifiers are requiredfor stereo operation In the unlikely eventthat yourFull Power Balanced amplifier shouldrequire service youwi bepleasedto know that is backed by a comprehensive Customer Satisfaction...

Страница 5: ...ll switch in the listening room that controlsanAC power outlet dedicated to the power amplifier This arrangement canbeprovidedby anelectrician Pleasecontact yourdealerfor assistance NOTE Once ACpoweris applied the front panelpowerswitch andthe remote P csntml pnw r vifP h r CabinetryConsiderations ClassAoperationoffers tremendous sonicbenefits Unfortunately traditional ClassA amplifiers dissipate ...

Страница 6: ...making connectionsto this component or anyother make sure the power amplifier is off andthe preamplifieris in themute or stand by mode Thewidngto andfromthe amplifier andall components in generalshouldbe arranged in a neat organized manner Specifically ACwiresshouldbe separated from audiocables This practice preventshum or other unwanted noisefrombeingintroducedinto the system 1 Connect the speake...

Страница 7: ...2 non_ inverting input hot pin3 invertingin put 3 Insert the AC power cordinto the receptacle locatedonthe backof the Full Power Balanced amplifier Insert the otherendin to the ACwall receptacle Theamplifier is now readyfor operationasdescribedin the Amplifier Operationsection below Shouldyou haveany questionsregarding system set up contactyourdealeror KRELL Industries LinkingMultipleAmplifiers Re...

Страница 8: ... Contactyour KRELL dealeror KRELL Industries to obtainremote link cables For Usewith a TubePreamplifer TheFull Power Balanced amplifiers featuredirect coupted circuitryfrom input to output This topologyeliminatesall couplingcapacitorsfrom the audiosignal path Couplingcapacitorsare usedto blockdamaging direct current DG but havesonic characteristics that impactmusicnegatively Instead KRELL uses non...

Страница 9: ...RELL amplifiers cansafely drive speakers to highersound pressure levels thanotheramplifiers Always turn the level d _own at thefirst signof speaker distress Descriptionof On OffandStandby Operati6n When pnw ring p ny o y beturned onlastand turned off first Locatethe power breakeronthe rear panelof the amplifier Move the switch to the ON position Thepower LED labeledP will illuminate onthe from pan...

Страница 10: ...ollow thesesimpletrouble shootingstepsbeforecont lctingyourKRELL dealer Check a input andoutputconnections making surethey are of sound construction Withthe amplifier off remove the interconnect wiring andturn the amplifier backon if the hum disappears shutthe amplifier off and reinsert oneof theinterconnect cablesandturn theamplifier backon If the hum reappears with oneor bothinterconnectsreinser...

Страница 11: ...e model seethe For Usewith a Tube Preamplifiersection Amplifier switches to Standbymode Electricalshortin speaker cablesor inside speaker LED s illuminated P Check all speakercables for anycutsor frayed edgesthat mightforma between the positivespeaker lead andthe negativespeaker lead Amplifierswitchesto InsufficientAC current Make surethe AC line is Standby at high volumes from thewalloutlet at le...

Страница 12: ...ostspeakerselector boxesutilize a commoh ground Thedifferential circuitry in theFull Power Balanced amplifiersprohibitsthe useof these devices Donot connect a Full PowerBalancedamplifier to a speaker selector device that employs a common groundscheme Q Myspeakers only haveoneset of binding posts Which set of speaker terminalsshouldI useonthe amplifier A Thetwosets of speakerterminalsfor eachchanne...

Страница 13: ...navailable the arrantyperiodwill begin onthe datethe unit wasoriginally shipped fromthe KRELL factory Theoriginal ship datecanbe determined by calling KRELL Thewarranty for KRELL prod Jcts is valid only in the countryto whichtheywere originally shipped throughthe authorized KRELL Distributor for that country andat the KRELL factory Theremaybe restrictions on or changes to KRELUs warrantybecause of...

Страница 14: ...for shippingdamages duringthe return shipment Theuseof anypackingmaterial other thanthe original is not recommended KRELL may at its discretion packa unit in new materialfor thereturn shipment KRELL will bill youfor suchif theunit wasshipped in nonstandard packing or if the original packingis so damaged as to be unusable Shouldyouneedto purchase additional packaging pleasecontact your authorizedKR...

Страница 15: ...S 49 V RMS 60 V Peakto Peak240V RMS 84 V Output Power 8 Ohms200 W EachChannelDriven 4 Ohms400 W 2 Ohms800 W Power Consumption Dimensions Inches Centimeters Standby 60 W Idle 175 W Max 1 700 W 19w x 10 2hx 16 9d 48 3w x 25 9hx 42 9d 8 Ohms300 W 4 Ohms600 W 2 Ohms 1 200 W Standby 75 W Idle 350 W Max 3 000 W 19wx 10 2hx 19 9d 48 3w x 25 9hx 50 5d 8 Ohms 600 W 4 Ohms1 00 W 2 Ohms2 400W Standby 85 W Id...

Страница 16: ...0V RMS 49 V RMS 60 V lOOKohms Peak Peek 240 V RMS 85 V Output Power EachChannelDriven 8 Ohms 250 W 4 Ohms 500 W 2 Ohms1 000 W 8 Ohms 350W 4 Ohms 700W 2 Ohms 1 200 W 8 Ohms 650 W 4 Ohms 1 300 W 2 Ohms2 600 W Power Consumption Idle 150 W Max 1 700 W Idle 175 W Max 3 000 W Idle 220 W Max 6 000 W Dimensions Inches Centimeters 12 7wx 10 2hx 16 9d 32 3w x 25 9hx 42 9d 12 7w x 10 2hx 19 9d 32 3w x 25 9hx...

Страница 17: ... packaging is required the owner will be notified beforetheproductis returned To purchaseadditional packaging pleasecontact yourauthorizedKrell dealer distributor or theKrell Service Department for assistance KreIPis not responsiblefor anydamage incurred in transit Krell will file claims for damages as necessaryfor products dam aged in transit to thefactory Theowner is responsible for filing claim...

Страница 18: ...ies Inc 45 Connair Road Orange CT06477 3650USA TEL 203 799 9954 FAX203 799 9796 E MAIL krell krelloniine com WEB SITEwww krellonline com Full PowerBalanced Power Amplifiers 600 300 200 Stereo 650M 350M 250MMonaural ...

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