Crown Audio 180MA 280MA, 1160MA operation manual Service

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Commercial Audio Series Mixer-Amplifiers

5 Service

Crown amplifiers are quality units that rarely require ser- vicing. Before returning your unit for servicing, please contact Crown Technical Support to verify the need for servicing.

This unit has very sophisticated circuitry which should only be serviced by a fully trained technician. This is one reason why each unit bears the following label:

CAUTION: To prevent electric shock, do not remove covers. No user serviceable parts inside. Refer servicing to a qualified technician.

Complete the Crown Audio Factory Service Information form, in the back of this manual, when returning a Crown product to the factory or authorized service center. The form must be included with your product inside the box or in a packing slip envelope securely attached to the outside of the shipping carton. Do not send this form separately.

Warranty is only valid within the country in which the product is purchased.

5.1 Worldwide Service

Service may be obtained from an authorized service cen- ter. (Contact your local Crown/Amcron representative or our office for a list of authorized service centers.) To obtain service, simply present the bill of sale as proof of purchase along with the defective unit to an authorized service center. They will handle the necessary paperwork and repair.

Remember to transport your unit in the original factory pack.

5.2 US and Canada Service

Service may be obtained in one of two ways: from an authorized service center or from the factory. You may choose either. It is important that you have your copy of the bill of sale as your proof of purchase.

5.2.1Service at a US or Canada Service Center

This method usually saves the most time and effort. Sim- ply present your bill of sale along with the defective unit to an authorized service center to obtain service. They will handle the necessary paperwork and repair. Remem-

ber to transport the unit in the original factory pack. A list of authorized service centers in your area can be obtained from Crown Factory Service, or online from http://www.crownaudio.com/support/servcent.htm.

5.2.2 Factory Service

Crown accepts no responsibility for non-serviceable product that is sent to us for factory repair. It is the owner’s responsibility to ensure that their product is ser- viceable prior to sending it to the factory. Serviceable product list is available at http://crownweb.crownintl.com/crownrma/.

For more information, please contact us direct.

A Service Return Authorization (SRA) is required for product being sent to the factory for repair. An SRA can be completed online at www.crownaudio.com/support/ factserv.htm. If you do not have access to the web, please call Crown’s Customer Service at 574.294.8200 or 800.342.6939 extension 8205 in North America, Puerto Rico and the Virgin Islands only.

For warranty service, we will pay for ground shipping both ways in the United States. Contact Crown Customer Service to obtain prepaid shipping labels prior to send- ing the unit. Or, if you prefer, you may prepay the cost of shipping, and Crown will reimburse you. Send copies of the shipping receipts to Crown to receive reimbursement.

Your repaired unit will be returned via UPS ground. Please contact us if other arrangements are required.

5.2.3Factory Service Shipping Instruc- tions:

1.Service Return Authorization (SRA) is required for product being sent to the factory for service. Please complete the SRA by going to www.crownau- dio.com/support/factserv.htm. If you do not have access to our website, call 1.800.342.6939, exten- sion 8205 and we'll create the SRA for you.

2.See packing instructions that follow.

3.Ship product to:

CROWN AUDIO FACTORY SERVICE 1718 W MISHAWKA RD. ELKHART, IN 46517

4.Use a bold black marker and write the SRA number on three sides of the box.

5.Record the SRA number for future reference. The SRA number can be used to check the repair status.

5.2.4 Packing Instructions

Important: These instructions must be followed. If they are not followed, Crown Audio, Inc. assumes no respon- sibility for damaged goods and/or accessories that are sent with your unit.

1.Fill out and include the Crown Audio Factory Ser- vice Information sheet in the back of this manual.

2.Do not ship any accessories (manuals, cords, hard- ware, etc.) with your unit. These items are not needed to service your product. We will not be responsible for these items.

3.When shipping your Crown product, it is important that it has adequate protection. We recommend you use the original pack material when returning the product for repair (Figure 9.1). If you do not have the original box, please call Crown at 800.342.6939 or 574.294.8210 and order new pack material. (Do not ship your unit in a wood or metal cabinet.)

4.If you provide your own shipping pack, the mini- mum recommended requirements for materials are as follows:

a. 275 P.S.I. burst test, Double-Wall carton that allows for 2-inch solid Styrofoam on all six sides of unit or 3 inches of plastic bubble wrap on all six sides of unit.

b.Securely seal the package with an adequate car- ton sealing tape.

c.Do not use light boxes or “peanuts”. Damage caused by poor packaging will not be covered under warranty.

Enclose the completed Crown Audio Factory Service Information form (or securely attach it to the outside of carton) and re-seal the shipping pack with a sturdy carton sealing tape.

Cardboard support

Mixer-amp

Bag

Cardboard

support

Figure 9.1 Packing.

Put this assembly in carton.

5.2.5 Estimate Approval

Approval of estimate must be given within 30 days after being notified by Crown Audio Inc. Units still in the pos- session of Crown after 30 days of the estimate will become the property of Crown Audio Inc.

5.2.6 Payment of Non-Warranty Repairs

Payment on out-of-warranty repairs must be received within 30 days of the repair date. Units unclaimed after 30 days become the property of Crown Audio Inc.

If you have any questions, please contact Crown Factory Service.

Crown Factory Service

1718 W. Mishawaka Rd.,

Elkhart, Indiana 46517 U.S.A.

Telephone:

574.294.8200

800.342.6939 (North America,

Puerto Rico, and Virgin Islands only)

Facsimile:

574.294.8301 (Technical Support)

574.294.8124 (Factory Service)

Internet:

http://www.crownaudio.com

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Operation Manual

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Contents 280MA 180MASome models may be exported under the name Amcron Important Safety Instructions Use only with a cart, stand, tripod, bracket, orSafety Standard Declaration of ConformityCrown International, Inc European Representative’s Name and AddressTable of Contents Features WelcomeInput Volume Controls Output Volume ControlsOutput Signal Presence Indicator Clip IndicatorBack Panel Controls and Connectors Reset Switch Auxiliary Power InputAmplifier Outputs Connectors Amp Config SwitchInstallation SetupHow to Attach Rack Ears Choose Input Wire and Connectors Choose Output Wire and ConnectorsTypical input and output wiring is shown in Figure Wire Your SystemOutputs Maintain proper polarity +/- on output con- nectors Phantom Power Link In/Out SwitchesHow to link another mixer to your mixer-amplifier How to set up Music-On-Hold outputRemote Volume Control Powering UpIncluded Accessories Optional AccessoriesBlock Diagram Ch 3 and Ch 4 similar to ChTroubleshooting No input signal Input signal level is very lowSpecifications Service Warranty United States & CanadaItems Excluded from this CROWN- Warranty Worldwide Except USA & CanadaModel Serial # Crown Audio, IncFax Product purchased from *Business/Individual CountryThis page Intentionally Left Blank Payment Options ModelIndividual or Business Name Phone # Fax # ‰ Personal/Consumer ‰ Business/CorporateCommercial Audio Series Mixer-Amplifiers Commercial Audio Series Mixer-Amplifiers

1160MA, 180MA 280MA specifications

Crown Audio, a leader in professional amplifier technology, has introduced a series of high-performance amplifiers that cater to a variety of applications. The 1160MA, 180MA, and 280MA models are designed to deliver exceptional sound quality, reliability, and efficiency, making them ideal for both commercial and residential audio installations.

The 1160MA is a versatile amplifier equipped with a powerful, high-efficiency Class D design that ensures maximum power output with minimal heat generation. Capable of delivering up to 1,160 watts per channel, this model is perfect for driving moderate-sized sound systems, whether in a church, auditorium, or live event. Its 70V and 100V compatibility allows for easy integration into existing audio setups, making it suitable for various applications.

The 180MA boasts a lower power output while retaining the same high-quality audio performance that Crown is renowned for. With 180 watts per channel, it is perfect for smaller installations where space and power consumption are considerations. This amplifier also features built-in processing capabilities, allowing users to fine-tune audio output to suit specific acoustic environments. Its compact design and robust construction make it a reliable choice for both permanent installations and portable setups.

The 280MA stands out with its increased power capacity, offering up to 280 watts per channel. It is designed to handle larger loads, making it ideal for venues that require robust sound reinforcement. Like its counterparts, the 280MA features advanced thermal management technology, ensuring reliable operation even during extended use. The inclusion of both analog and digital inputs provides versatility in connectivity, accommodating traditional audio systems alongside modern digital setups.

All three models share some key features, including an intuitive front-panel LCD for easy monitoring of performance metrics and settings. They also include comprehensive protection circuitry, safeguarding against over-voltage, over-current, and thermal overload, thereby ensuring long-term reliability.

In summary, the Crown Audio 1160MA, 180MA, and 280MA amplifiers excel in delivering high-fidelity audio across a range of applications. With their efficient Class D technology, advanced processing options, and robust construction, these amplifiers represent a union of power and flexibility, catering to audio professionals seeking performance and reliability in their sound systems.
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