Crown Audio M Series operation manual Ch-1 Level Control, Ch-2 Level Control

Page 12

3 Operation

M Series Power Amplifiers

E. Ch-1 Level Control

E. Ch-2 Level Control

IResett

 

 

 

 

1

Power

Signali l Cliplip

Faultlt

22

Signali l Cliplip FaultFault

A. Power Switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

B. Reset Switch

C. Power Indicator

 

 

D. Ch-1 Signal,

D. Ch-2 Signal, Clip

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clip& Fault

 

& Fault Indicators

F. Barrier Block

 

 

 

G. Neutrik Combo

H. 5-way Binding Post

 

 

 

 

 

 

 

 

Indicators

 

I. IEC Power

Inputs

 

 

 

(1/4-inch & XLR) Inputs

Output Connectors

 

 

 

 

 

 

 

 

 

 

 

Cord Connector

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING ó TO REDUCE THE RISK OF FIRE OR

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ELECTRICAL SHOCK, DO NOT EXPOSE THIS EQUIPMENT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TO RAIN OR MOISTURE.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AVIS - RISQUE DE CHOC ELECTRIQUE - NE PAS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUVRIR.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AVERTISSEMENT - ENERGIE ELECTRIQUE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DANGEREUSE VIOR LA NOTICE DE FONCTIONNEMENT.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTPUT ASSIGNMENT

 

CLASS 2 WIRING PERMITTED

MODEL: M240

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIN

CH

PIN

CH

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CLASS 1 WIRING REQUIRED IN

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1+

2

1+

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1-

2

1-

1

BRIDGE MONO CONNECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2+

 

2+

2

FOR BRIDGE MONO, USE CH1+,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2-

 

2-

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(FOR +) AND CH2+, (FOR -)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CH2

CH1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ONLY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

RISK OF ELECTRIC SHOCK

 

 

 

 

 

 

 

O

 

 

 

G

E

 

 

 

 

 

 

B

 

 

 

 

DO NOT OPEN

 

 

 

 

 

E R

E

 

 

ID

 

.4

V

 

6

d

 

 

 

 

 

 

 

 

 

T

 

 

R

 

1

2

 

 

 

 

 

 

 

 

 

S

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODE

 

 

 

 

SENSITIVITY

 

 

 

 

 

 

 

J. Fault Output

 

 

 

 

 

 

 

 

 

®

 

 

 

 

 

 

 

 

 

 

 

 

 

 

L. Input

M. Neutrik Speakon

 

 

 

 

 

 

 

 

 

 

K. Stereo/

 

 

 

Sensitivity

 

Outputs

 

 

 

 

 

 

Bridge-Mono

 

 

Switch

 

 

 

 

Switch

Figure 3.1 Front Panel and Back Panel Controls, Indicators and Connectors

page 12

Operation Manual

Image 12
Contents M240 Some models may be exported under the name AmcronImportant Safety Instructions Importantes Instructions de SécuritéSafety Standard Declaration of ConformityCrown International, Inc European Representatives Name and AddressTable of Contents Features How to Use This ManualWelcome Setup Install Your AmplifierUnpack Your Amplifier Ensure Proper CoolingChoose Input Wire and Connectors Choose Output Wire and ConnectorsDistance Wire Your System Stereo Mode How to Parallel the Inputs in Stereo ModeBridge-Mono Mode Typical input and output wiring is shownSet the Mode Switch to Bridge Inputs Use only the Channel-1 input connec- torStartup Procedure Connect to AC MainsPrecautions OperationCh-1 Level Control Ch-2 Level ControlFront Panel Controls Indicators Power Switch Reset SwitchPower Indicator Signal, Clip and Fault IndicatorsFault Monitoring Crown SST ModulesOptional 0.775-V Input Sensi- tivity Setting Optional Barrier Block OutputsTamper-Resistant Hole Plugs Principles of Operation Series AmplifierNeutrik Speakon connector. Both Channel Troubleshooting Condition Power indicator is offSpecifications KHz with 0.5% THDCrosstalk below rated power, 20 Hz to 20 kHz Common Mode Rejection CMR20 Hz to 1 kHzVoltage Gain at maximum level setting Ventilation Cooling Dimensions Weight Net ShippingService Warranty 12/01Worldwide Except USA & Canada This page Intentionally Left Blank Crown Audio Factory Service Information Series Power Amplifiers Series Power Amplifiers

M Series specifications

Crown Audio's M Series amplifiers are a renowned collection in the realm of professional audio equipment, recognized for their reliability, performance, and innovation. Designed specifically for commercial installations, the M Series provides powerful amplification with exceptional audio quality, making it a prime choice for venues such as auditoriums, churches, and theaters.

One of the standout features of the M Series is its high-efficiency Class D topology. This design not only reduces power consumption but also minimizes heat generation, which is crucial for long-term reliability and performance in demanding environments. The amplifiers are capable of delivering high output power while maintaining low distortion, ensuring that the audio experience remains clear and robust, even at high volumes.

The M Series amplifiers are equipped with a range of power options, ensuring that users can find a model that suits their specific needs. The lineup typically includes models ranging from 2-channel to 4-channel configurations, with power ratings suitable for various applications. This versatility allows for flexible setups, whether powering large PA systems or smaller setups for more intimate settings.

Integration with control systems is effortless, thanks to the M Series’ comprehensive connectivity options. The amplifiers feature XLR and TRS inputs, allowing for seamless integration with a wide array of audio sources. Their ability to be controlled remotely allows for convenient adjustments during live events or installations, further enhancing their usability.

The built-in DSP (Digital Signal Processing) is another critical highlight of the M Series. This technology provides users with significant control over the audio signal, enabling adjustments such as equalization, limiting, and crossover settings to fine-tune the sound output to perfection. The advanced protection circuitry ensures that the amplifiers remain safe from overheating and signal overloads, thus extending their lifespan and reliability.

Robust construction is a signature characteristic of the M Series, designed to withstand the rigors of professional use. The amplifiers feature a rugged chassis that can endure the demands of touring or permanent installations. Additionally, the fan-cooled design aids in maintaining optimal operating temperatures, ensuring performance consistency even during extended periods of use.

In conclusion, Crown Audio's M Series amplifiers combine power, efficiency, and cutting-edge technology to create an exceptional solution for professional audio applications. Whether used in concert halls, clubs, or corporate environments, the M Series continues to set a high standard for reliability and performance in the world of audio amplification.