Crown Audio 2400 service manual Avis

Page 2

Micro-Tech 2400 Amplifier Service Manual

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 maintenance. If you need special assistance beyond the scope of this manual, please contact the Crown Technical Support Group.

Mail: P.O. Box 1000 Elkhart IN 46515-1000

Shipping: 57620 C.R. 105 Elkhart IN 46517

Phone: (800) 342-6939/(219) 294-8200

FAX: (219) 294-8301

 

 

 

 

 

 

 

CAUTION

 

 

AVIS

 

 

 

 

 

 

 

TO PREVENT ELECTRIC SHOCK DO

 

 

 

NOT REMOVE TOP OR BOTTOM

À PRÉVENIR LE CHOC

COVERS. NO USER SERVICEABLE

ÉLECTRIQUE N’ENLEVEZ

PARTS INSIDE. REFER SERVICING

PAS LES COUVERTURES.

TO QUALIFIED SERVICE

 

RIEN DES PARTIES

PERSONNEL. DISCONNECT

UTILES À L’INTÉRIEUR.

POWER CORD BEFORE REMOVING

DÉBRANCHER LA BORNE

REAR INPUT MODULE TO ACCESS

AVANT D’OUVRIR LA

 

GAIN SWITCH.

MODULE EN ARRIÈRE.

 

 

 

 

 

 

WARNING

TO REDUCE THE RISK OF ELECTRIC

SHOCK, DO NOT EXPOSE THIS

EQUIPMENT TO RAIN OR MOISTURE!

2

Image 2
Contents MICRO-TECH-2400 Avis Table of Contents Scope WarrantyIntroduction Parts Information Specifications PowerVoltage Conversion Overview FeaturesTheory Front END OperationLast Voltage Amplifiers LVAs Voltage AmplificationGrounded Bridge Topology Voltage TranslatorsHigh Side HS Low Side LSOutput Device Emulation Protection Odep Positive Electrical Checkout Procedures Test 6 Voltage Gain Test 7 Phase ResponseTest 12 Output Power Test 8 Level ControlsTest 14 Odep Limiting Test 16 Signal to Noise RatioPost Testing Test 15 LF ProtectionOutput Assembly ONE PER Channel Parts List Non-ModulePower Supply Supplimental ItemsChassis Front Assembly Output Assembly CONT. ONE PER ChannelBack Panel Assembly Main Chassis Assembly MiscellaneousMain Modules Module InformationModule History Fuse ModuleLeds M46330-3 Fuse Module & Q43327-8 Display Module Parts ListDiodes ResistorsInductors Q43354-2 Output Module Parts List P10429-2 BoardCapacitors TransistorsQ43328-6 Main Module Parts List D8679-9 Board Q43328-6 MT-2400 Original Main Module Use Schematic JQ43328-6 Main Module Parts List Cont. D8679-9 Board Resistor NetworksSwitches Test PointsQ43328-6 Main Module Parts List Cont. D8679-9 Board Q43399-7 Main Module Parts List D8827-4 Board Q43399-7 MT-2400 Main Module Use Schematic JQ43399-7 Main Module Parts List Cont. D8827-4 Board TP1 TP2 U103A U203A Open

2400 specifications

Crown Audio is a well-respected name in the audio industry, known for its powerful and reliable amplifiers. Among its notable products is the Crown Audio 2400, a high-performance amplifier that has garnered attention for its impressive range of features and technologies.

The Crown 2400 is part of the XTi series, which is renowned for delivering exceptional sound quality and performance. A key feature of the 2400 is its innovative Class-I technology. This design allows the amplifier to remain highly efficient while producing substantial power output, making it suitable for a variety of applications, from live sound to installation settings. With a power rating of 2400 watts per channel at 4 ohms, the XTi 2400 provides ample power for driving multiple speakers, ensuring that audio can fill even the largest spaces.

Another standout characteristic of the Crown 2400 is its built-in DSP capabilities. This onboard digital signal processing allows users to tailor the audio output to their specific needs. The DSP features include adjustable crossover settings, EQ adjustments, delay settings, and limiting functions, all accessible through an intuitive LCD interface. This user-friendly design enables quick adjustments in real-time, which is critical in dynamic live performance environments.

The amplifier also boasts advanced connectivity options, including both XLR and 1/4-inch input connectors, allowing for versatile integration with various audio sources. Additionally, the inclusion of Speakon outputs provides secure and reliable connections to speakers, minimizing the risk of accidental disconnects during performance.

Thermal management is another area where the Crown 2400 excels. The amplifier is equipped with a comprehensive cooling system, which includes a variable-speed fan and extensive heat sinking. This design ensures that the amplifier operates efficiently even under heavy load, prolonging its lifespan and maintaining optimal performance.

Finally, the Crown Audio 2400 is designed with durability in mind. Its rugged construction makes it suitable for the rigors of touring and demanding live environments, reinforcing Crown's commitment to quality and reliability.

In conclusion, the Crown Audio 2400 stands out as a powerful and versatile amplifier, offering Class-I technology, robust onboard DSP, excellent connectivity options, advanced thermal management, and durable construction. These features make it an ideal choice for audio professionals seeking reliability and high performance in their sound systems.