Crown Audio 800CSL service manual Table of Contents

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Power Base-2 & 800CSL Amplifier Service Manual

Table of Contents
Introduction	4
Scope	4
Warranty	4
Parts	5
Specifications	6
Voltage Conversion	7
Circuit Theory	8
Test Procedures	13
Mechanical Parts Listing	17
Module Information	20
Q42647-0 Output Module (MT/MA)	21
Q42717-1 Output Module (MT/MA #2)	22
Q42871-6 Output Module (TO-3P MT/MA)	23
Q42966-4 Output Module (TO-3P #2)	24
Q43015-9 Output Module (THC)	25
Q43203-1 Output Module (THC #2)	26
Q42665-2 Main Module (Original)	27
Q42683-5 Main Module (#2)	29
Q42818-3 Main Module (3rd Gain)	31
Q43059-7 Main Module (THC)	34

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Contents Power BASE-2& 800CSL Avis Table of Contents Warranty IntroductionScope Parts Mechanical SpecificationsPower PerformanceBLU Voltage ConversionFront END Operation FeaturesTheory OverviewVoltage Translators Error AmpHigh Side HS Grounded Bridge TopologyLow Side LS Output Device Emulation Protection OdepPositive Standard Initial Conditions Checkout ProceduresTest 2 Output Bias Adjustment Test 3 Odep Voltage AdjustmentTest 12 Output Power Test 4 AC Power DrawTest 5 Common Mode Rejection Test 7 Phase ResponseTest 17 Turn on Transients Test 16 Signal to Noise RatioTest 14 Odep Limiting Test 15 LF ProtectionPost Testing Mechanical Non-Module Parts Output Assembly ONE PER Channel Back Panel AssemblyChassis Front Assembly Main Chassis Assembly Main Modules Module InformationModule History Output ModulesQ42647-0 Output Module Parts List P10137-1 Board Q42717-1 Output Module MT/MA #2 for PB-2 Q42717-1 Output Module Parts List P10233-8 BoardQ42871-6 Output Module MT/MA TO-3P Driver for PB-2/ 800CSL Q42871-6 Output Module Parts List P10305-4 BoardQ42966-4 Output Module TO-3P Driver #2 for PB-2/ 800CSL Q42966-4 Output Module Parts List P10305-4 BoardQ43015-9 Output Module Parts List P10341-9 Board Q43203-1 Output Module Parts List P10397-1 Board Q42665-2 Main Module Parts List D 6910-0 Board Network ResistorsQ42665-2 Main Module Original for PB-2 IC’S SwitchesQ42683-5 Main Module #2 for PB-2 Q42683-5 Main Module Parts List D 6910-0 BoardZero OHM InterconnectsQ42818-7 Main Module 3rd Gain for PB-2/800CSL Q42818-7 Main Module Parts List D 7251-8 BoardDpdt 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 ¼-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.