Crown 3, 2, 1 manual Crown Audio Division Technical Support Group, Magnetic Field

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The information furnished in this manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may arise during installation, operation or mainte- nance. If you need special assistance beyond the scope of this manual, please contact our Technical Support Group.

Crown Audio Division Technical Support Group

Plant 2 SW, 1718 W. Mishawaka Rd., Elkhart, Indiana 46517 U.S.A.

Phone: 800-342-6939(North America, Puerto Rico and Virgin Islands) or 219-294-8200 Fax: 219-294-8301 Fax Back: 800-294-4094 (North America only) or 219-293-9200 Internet: http://www.crownintl.com

IMPORTANT

THE POWER BASE-3 REQUIRES CLASS 1 OUTPUT WIRING. THE POWER BASE-1 AND 2 REQUIRE CLASS 2 OUTPUT WIRING.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C A U T I O N

 

 

A V I S

 

 

 

 

 

 

 

 

 

 

 

 

RISK OF ELECTRIC SHOCK

 

 

RISQUE DE CHOC ÉLECTRIQUE

 

 

 

 

DO NOT OPEN

 

 

N’OUVREZ PAS

 

 

 

TO PREVENT ELECTRIC SHOCK DO

À PRÉVENIR LE CHOC ÉLECTRIQUE

 

 

NOT REMOVE TOP OR BOTTOM

N’ENLEVEZ PAS LES COUVERCLES. IL

 

 

COVERS. NO USER SERVICEABLE

N’Y A PAS DES PARTIES SERVICEABLE

 

 

PARTS INSIDE. REFER SERVICING TO

À L’INTÉRIEUR. TOUS REPARATIONS

 

 

QUALIFIED SERVICE PERSONNEL.

DOIT ETRE FAIRE PAR PERSONNEL

 

 

DISCONNECT POWER CORD BE-

QUALIFIÉ SEULMENT. DÉBRANCHER

 

 

FORE REMOVING BACK PANEL

LA BORNE AVANT D’ENLEVER LA

 

 

COVER TO ACCESS GAIN SWITCH.

COVERTURE EN ARRIÈRE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING

TO REDUCE THE RISK OF ELECTRIC

SHOCK, DO NOT EXPOSE THIS

EQUIPMENT TO RAIN OR MOISTURE!

Magnetic Field

CAUTION! Do not locate sensitive high-gain equipment such as preamplifiers or tape decks directly above or below the unit. Because this amplifier has a high power density, it has a strong magnetic field which can induce hum into unshielded devices that are located nearby. The field is stron- gest just above and below the unit.

If an equipment rack is used, we recommend locat- ing the amplifier(s) in the bottom of the rack and the preamplifier or other sensitive equipment at the top.

The lightning bolt triangle is used to alert the user to the risk of electric shock.

The exclamation point triangle is used to alert the user to important operating

or maintenance instructions.

Printed on

recycled paper.

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Models Power Base -1, 2 Three Year Full Warranty Magnetic Field Crown Audio Division Technical Support GroupContents Illustrations Page Features WelcomeUnpacking Stereo Mode Example in .1. Only use the channel 1 input InstallationStereo MonoInput Sensitivity Adjustment Additional Load ProtectionRequired AC Mains Protection Systems PrecautionsPower Indicator OperationFuses and Circuit Breakers Filter CleaningControls Transformer Thermal ProtectionCrosstalk SpecificationsPower PerformanceProtection IndicatorsOutput Signal Input/OutputPower Base-1 Minimum Guaranteed Power Watts Minimum Power SpecificationsPower Base-3 Minimum Guaranteed Power Watts Power Base-2 Minimum Guaranteed Power WattsPower Base-1 Maximum Power Watts Maximum Power SpecificationsPower Base-3 Maximum Power Watts Power Base-2 Maximum Power WattsAccessories MT-XLRMT-BB Crown Audio Division ServiceWorldwide Service North American ServiceVisa MasterCard C.O.D Cash/CheckCard Number Exp. Date