Crown Audio MA-24X6, MA-36X12 operation manual Service

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Macro-Tech MA-24X6 & 36X12 Power Amplifiers

9 Service

Crown amplifiers are quality units that rarely require servicing. 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 techni- cian. This is one reason why each unit bears the fol- lowing label:

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

9.1 Worldwide Service

Service may be obtained from an authorized service center. (Contact your local Crown/Amcron repre- sentative 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 fac- tory pack.

9.2 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.

9.2.1 Service at a US or Canada Ser- vice Center

This method usually saves the most time and effort. Simply 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. Remember to transport the unit in the original factory pack. A list of authorized service centers in your area can be obtained from the Crown website at www.crownaudio.com, or by calling Crown Customer Service.

9.2.2 Factory Service

To obtain factory service, fill out the service infor- mation page found in the back of this manual and send it along with your proof of purchase and the defective unit to the Crown factory.

For warranty service, we will pay for ground ship- ping both ways in the United States. Contact Crown Customer Service to obtain prepaid shipping labels prior to sending the unit. Or, if you prefer, you may prepay the cost of shipping, and Crown will reim- burse 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.

9.2.3Factory Service Shipping Instructions:

1.Before sending a Crown product to the factory for service, first call the Crown Service Depart- ment for a return authorization (RA) number.

2.Be sure to fill out the service information form that follows and enclose it with your shipment, either inside the box or in a packing slip enve- lope securely attached to the outside of the shipping carton. Do not send the service infor- mation form separately. If you are sending the unit from a Shipping Center, we recommend taping the form to the product. We also recom- mend recording the serial number and model before shipping for your reference.

3.To ensure the safe transportation of your unit to the factory, ship it in an original factory packing container. If you don’t have the original carton, you may obtain a product service foam-in- place shipping pack from the Crown Factory Service Department at the number listed below. For non-warranty service, you may also pro- vide your own shipping pack, however we still recommend using a Crown Supplied Shipping

Container. Minimum recommended require- ments for materials are as follows: 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; securely seal the package with an ade- quate carton sealing tape. Do not use light boxes or “peanuts.” Damage caused by poor packing cannot be covered under warranty.

4.Do not ship the unit in any kind of cabinet (wood or metal). Ignoring this warning may result in extensive damage to the unit and the cabinet. Accessories are not needed—do not send the product documentation, cables and other hardware.

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 MA-24X6 Some models may be exported under the name AmcronUse only with a cart, stand, bracket, or table Important Safety InstructionsMA Series amplifiers require Class 2 output wiring TCF Technical Certificate No P4300CRI1.IWS Safety StandardCrown International, Inc Competent Body’s Name and AddressTable of Contents Welcome FeaturesHow to Use This Manual You may also stack amps without using a cabi- net SetupUnpack Your Amplifier Install Your Amplifier Choose Input Wire Balanced Line ConnectorsChoose Output Wire and Con- nectors Distance Wire SizeWire Your System System Wiring a Macro-Tech 36x12 is shownTurn up the level of your audio source to an optimum level Startup ProcedureConnect to AC Mains Precautions OperationOdep Indicator Front Panel Controls Indicators Dust FilterSignal/IOC Indicator Enable IndicatorInput Sensitivity Switch Power CordReset Switches Ground Lift SwitchProtection Systems Advanced Features OptionsStandby Mode Output Device Emulation Protection OdepCircuit Designs Grounded Bridge Transformer Thermal ProtectionCircuit Breakers Options PIP Modules Replace the PIP module and restore the powerInput Ground Lift Switch IQ-PIP-USP2 AdapterTroubleshooting Front panel has several helpful indicator LEDs FigureOdep and Signal/IOC Indicator States Theory of Operation Only ONE Channel Shown Specifications Weight Power Draw at IdleDimensions Output ImpedanceTypical Phase Response AC Power Draw Thermal Dissipation Following equation is used to calculate thermal dissipationAC Power Draw Thermal Dissipation Service Warranty 12/01Worldwide Except USA & Canada Crown Factory Service Information Nature of ProblemThis page intentionally left blank This page intentionally left blank Macro-Tech MA-24X6 & 36X12 Power Amplifiers

MA-36X12, MA-24X6 specifications

Crown Audio is a renowned name in the professional audio industry, celebrated for its commitment to innovation and reliability. Two prominent offerings that stand out in their lineup are the MA-36X12 and MA-24X6 power amplifiers. Designed for versatility and performance, both models cater to a variety of applications, ranging from commercial installations to live sound environments.

The Crown MA-36X12 amplifier delivers 36 channels of robust power, making it an ideal choice for larger systems requiring multiple zones of audio distribution. Its ability to provide a solid output ensures that every speaker in a setup receives the necessary power, maintaining audio clarity and preventing distortion. The MA-36X12 is engineered with a focus on thermal efficiency, utilizing advanced cooling systems to minimize overheating during extended use. Additionally, its compact design allows for easy integration into various environments, whether it be schools, conference centers, or places of worship.

On the other hand, the Crown MA-24X6 amplifier offers 24 channels of audio powerhouse capability. With slightly less power than the MA-36X12, the MA-24X6 is still no slouch; it provides exceptional sound quality, making it suitable for smaller installations or setups requiring fewer channels but high-quality delivery. The MA-24X6 features an intuitive user interface, allowing for seamless adjustments and monitoring of each channel's performance. This amplifier also comes equipped with integrated signal processing capabilities that enable users to fine-tune audio output according to specific acoustics and requirements.

Both models incorporate Crown’s proprietary DriveCore technology, which combines superior sound quality with greater efficiency in amplifying audio signals. This technology minimizes power consumption while maximizing output, ensuring that audio reproduction is both dynamic and clear. Furthermore, Crown’s Smart Amp technology enhances reliability by incorporating self-monitoring functions that provide real-time feedback on performance and status.

In terms of connectivity, the MA-36X12 and MA-24X6 amplifiers come with a variety of inputs and outputs to accommodate diverse audio sources and speaker configurations. Their rugged construction makes them well-suited to endure the rigors of live events and installations, ensuring they deliver consistent performance over time.

In summary, the Crown Audio MA-36X12 and MA-24X6 amplifiers exemplify the brand's dedication to quality and innovation in professional audio solutions. With advanced technologies and versatile features, they respectively cater to both large and small installation needs, making them reliable choices for audio professionals around the globe.
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