Crown K Series Operation Manual

Crown audio operation power amplifier k series
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Operation Manual

Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your
local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000.
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 maintenance.
The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have
occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com.
Trademark Notice: Crown, Crown Audio, BCA and Amcron are registered trademarks of Crown International. Other trademarks are the
property of their respective owners.
©2005 by Crown Audio
K Series
2
Some models may be exported under the name Amcron.
®
, Inc. 1718 W. Mishawaka Rd., Elkhart, Indiana 46517-9439 U.S.A. Telephone: 574-294-8000
K1
K2
®
102010-8
4/05

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Summary of Contents for Crown K Series

  • Page 1: Operation Manual

    The information provided in this manual was deemed accurate as of the publication date. However, updates to this information may have occurred. To obtain the latest version of this manual, please visit the Crown website at www.crownaudio.com. Trademark Notice: Crown, Crown Audio, BCA and Amcron are registered trademarks of Crown International. Other trademarks are the property of their respective owners.
  • Page 2: Important Safety Instructions

    K Series Power Amplifiers IMPORTANT K Series amplifiers require Class 2 output wiring. MAGNETIC FIELD CAUTION! Do not locate sensitive high-gain equip- ment such as preamplifiers or tape decks directly above or below the unit. Because this amplifier has...
  • Page 3: Declaration Of Conformity

    K Series Power Amplifiers Crown International, Inc. Issued By: Crown International, Inc. 1718 W. Mishawaka Road Elkhart, Indiana 46517 U.S.A. Competent Body’s Name and Address: Technology International (Europe) Limited 41-42 Shrivenham Hundred Business Park, Shrivenham, Swindon, Wilts, SN6 8TZ Equipment Type: Commercial Audio Power Amplifiers...
  • Page 4: Table Of Contents

    3.8 Startup Procedure ... 10 4 Operation ... 10 4.1 Precautions ... 10 page 4 K Series Power Amplifiers 4.2 Front Panel Controls and Indicators ... 11 4.3 Back Panel Controls and Connectors ... 12 5 Advanced Features and Options ... 13 5.1 Protection Systems ...
  • Page 5: Welcome

    1 Welcome ® Congratulations on purchasing a Crown • Versatile, handling a wide range of speaker K Series amplifier. It is designed to provide very impedances and outputs. high power in a lightweight package, without • Switchable input sensitivity. using a cooling fan. This means your amp runs quieter (no fan noise) and cleaner (no need for •...
  • Page 6: Setup

    Figure 3.1 Dimensions K Series Power Amplifiers 3.3 Ensure Proper Cooling The K Series amplifier is convection cooled and uses no fan. If ambient temperatures are high, the TLC indicators may start to illuminate, showing that the amplifier is becoming hot.
  • Page 7: Choose Input Wire And Connectors

    K Series Power Amplifiers 3 Setup 3.4 Choose Input Wire and Connectors Crown recommends using pre-built or profes- sionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables and connec- tors. Use either 3-pin male XLR connectors or TRS phone connectors.
  • Page 8: Set Up And Wire Your System

    Bridge-Mono mode. NOTE: The Channel 2 level control should be set fully counter-clockwise when oper- ating the amplifier in Bridge-Mono mode. page 8 K Series Power Amplifiers Figure 3.8 Stereo Wiring: Stereo Inputs, Stereo Output to Speakers Figure 3.9...
  • Page 9: Y" Mono Input To Dual Outputs

    K Series Power Amplifiers 3 Setup Operation Manual 3.6.5 “Y” Mono Input to Dual Outputs If you want to feed a mono audio signal to two channels, each with its own level control, set the “Y” Input switch ON. This connects both inputs in parallel.
  • Page 10: Connect To Ac Mains

    Due to the amplifier's output protection, such a configuration may result in premature clipping and speaker dam- age. Crown is not liable for damage that results from overdriving other system components. K Series Power Amplifiers Operation Manual...
  • Page 11: Front Panel Controls And Indicators

    4.2 Front Panel Controls and Indicators Figure 4.1 below points out the controls, indi- cators and connectors on the front panel of the K Series amplifiers. The K1 and K2 look identi- cal except for product nameplates and fuse specifications. A. Level Controls The Level controls, one per channel, adjust the input attenuation from 0 dB to 100 dB.
  • Page 12: Back Panel Controls And Connectors

    4.3 Back Panel Controls and Connectors Figure 4.3 below points out the controls and connectors on the back panel of the K Series amplifiers. The K1 and K2 look identical except for product nameplates and fuse specifications. E. Bridge Output Switch This switch selects whether or not the output signal is bridged across the two channels.
  • Page 13: Advanced Features And Options

    K Series Power Amplifiers 5 Advanced Features NOTE: For detailed information about these Crown amplifier features, please consult the Crown Amplifier Application Guide, available on the Crown website at www.crownaudio.com. 5.1 Protection Systems Your Crown amplifier provides extensive protection systems,...
  • Page 14: Troubleshooting

    Note: If sound is distorted but clip LED is not flashing, check mixer levels and gain staging, mixer clip lights, and pads built into micro- phones. K Series Power Amplifiers CONDITION: Input signal but no sound. POSSIBLE REASON: • The amplifier has just been turned on and is still in the 4-second turn-on delay.
  • Page 15: Specifications

    K Series Power Amplifiers 7 Specifications Minimum Guaranteed Power 120 VAC, 60 Hz Units, Stereo mode, per channel, both channels driven 1 kHz with 0.1% THD Stereo, 2 ohms per ch. Stereo, 4 ohms per ch. Stereo, 8 ohms per ch.
  • Page 16: Service

    8.2.5 Estimate Approval Approval of estimate must be given within 90 days after being notified by Crown Audio Inc. Units still in the pos- session of Crown after 90 days of the estimate will become the property of Crown Audio Inc.
  • Page 17: Warranty

    K Series Power Amplifiers 9 Warranty SUMMARY OF WARRANTY Crown International, 1718 West Mishawaka Road, Elkhart, Indiana 46517-4095 U.S.A. warrants to you, the ORIGINAL PURCHASER and ANY SUB- SEQUENT OWNER of each NEW Crown product, for a period of three (3) years from the date of purchase by the original purchaser (the “warranty...
  • Page 18 No action to enforce this Crown Warranty shall be vice center immediately. commenced after expiration of the warranty period. THIS STATEMENT OF WARRANTY SUPERSEDES ANY OTHERS CONTAINED IN THIS MANUAL FOR CROWN PRODUCTS. K Series Power Amplifiers 7/01 Operation Manual...
  • Page 19: Crown Audio Factory Service Information

    K Series Power Amplifiers Shipping Address: Crown Audio Factory Service, 1718 W. Mishawaka Rd., Elkhart, IN 46517 SRA #: __________________(If sending product to Crown factory service.) Individual or Business Name: ____________________________________________________________________________________________________________________________________________________________ Phone #: __________________________________________________ Street Address (please, no P.O. Boxes): _____________________________________________________________________________________________________________________________________________________...

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