Crown Audio 800CSL service manual Avis

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Power Base-2 & 800CSL 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!

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Contents Power BASE-2& 800CSL Avis Table of Contents Scope WarrantyIntroduction Parts Performance SpecificationsPower MechanicalVoltage Conversion BLUOverview FeaturesTheory Front END OperationError Amp Voltage TranslatorsGrounded Bridge Topology High Side HSOutput Device Emulation Protection Odep Low Side LSPositive Test 3 Odep Voltage Adjustment Checkout ProceduresTest 2 Output Bias Adjustment Standard Initial ConditionsTest 7 Phase Response Test 4 AC Power DrawTest 5 Common Mode Rejection Test 12 Output PowerTest 15 LF Protection Test 16 Signal to Noise RatioTest 14 Odep Limiting Test 17 Turn on TransientsPost Testing Mechanical Non-Module Parts Chassis Front Assembly Output Assembly ONE PER ChannelBack Panel Assembly Main Chassis Assembly Output Modules Module InformationModule History Main ModulesQ42647-0 Output Module Parts List P10137-1 Board Q42717-1 Output Module Parts List P10233-8 Board Q42717-1 Output Module MT/MA #2 for PB-2Q42871-6 Output Module Parts List P10305-4 Board Q42871-6 Output Module MT/MA TO-3P Driver for PB-2/ 800CSLQ42966-4 Output Module Parts List P10305-4 Board Q42966-4 Output Module TO-3P Driver #2 for PB-2/ 800CSLQ43015-9 Output Module Parts List P10341-9 Board Q43203-1 Output Module Parts List P10397-1 Board Q42665-2 Main Module Original for PB-2 Q42665-2 Main Module Parts List D 6910-0 BoardNetwork Resistors Switches IC’SQ42683-5 Main Module Parts List D 6910-0 Board Q42683-5 Main Module #2 for PB-2Interconnects Zero OHMQ42818-7 Main Module Parts List D 7251-8 Board Q42818-7 Main Module 3rd Gain for PB-2/800CSLDpdt Side Header 5 PIN Q43059-7 Main Module Parts List D 7993-5 Board Jumper UPA75

800CSL specifications

Crown Audio has long been a respected name in professional audio equipment, and the 800CSL amplifiers are a testament to their unwavering commitment to quality and performance. Designed for professional sound reinforcement applications, the Crown 800CSL offers an impressive blend of power, reliability, and versatility, making it a popular choice among audio engineers and event coordinators.

At the heart of the Crown 800CSL is its robust power output. This amplifier delivers an impressive 800 watts per channel at 4 ohms, ensuring that it can drive even the most demanding speakers with ease. It features a Class D design, which not only maximizes efficiency, allowing for more power with less heat generation, but also contributes to a lightweight chassis that is easy to transport and install. This makes the 800CSL a versatile option for both permanent installations and mobile events.

One of the key technologies employed in the Crown 800CSL is its comprehensive built-in protection circuitry. This includes advanced short circuit protection, over-temperature protection, and current limiting. Such features ensure that the amplifier operates reliably in challenging conditions, reducing the risk of damage to both the amplifier and the connected speakers. The inclusion of a low-frequency filter further enhances performance, providing clean, powerful bass without distortion.

The Crown 800CSL also offers a range of connectivity options, including XLR and ΒΌ-inch inputs, making it compatible with a wide variety of audio sources. This flexibility, combined with user-friendly front panel controls, allows audio professionals to set up and adjust the system quickly and efficiently.

Additionally, the amplifier features a robust and compact design with a lightweight aluminum chassis. This not only contributes to its portability but also aids in heat dissipation, further enhancing performance during prolonged use. The included handles on the chassis make it easy to transport the unit between gigs, while its durable components ensure longevity.

In summary, the Crown Audio 800CSL stands out for its power, efficiency, and reliability. From its Class D amplification technology to its comprehensive protection features, this amplifier is designed to meet the needs of professionals in the audio industry. Whether for concerts, events, or installations, the 800CSL is poised to deliver exceptional sound quality and performance, making it a valuable addition to any audio toolkit.
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