Commercial Audio Series Mixer-Amplifiers

2Setup

2.10Remote Volume Control

You can control the volume of each amplifier channel remotely. To do so, locate the OUTPUT VCA connector on the back panel. Insert a 4-pin Phoe- nix-type cable connector into the OUTPUT VCA connector. Wire a Crown

1-VCAP or 4-VCAP level control to the Phoenix-type cable connector ter- minals as shown in Figure 2.11.

1-VCAP controls one channel; 4-VCAP controls up to four channels.

Output VCA Connector

Phoenix-type plug

Output VCA Connector

2.11 Powering Up

1.Turn off any equipment connected to the Line Out connectors.

2.Plug the amplifier’s power cord into a 3-wire grounded AC outlet.

3.Turn down the input volume controls.

4.Turn down the master volume control.

5.Turn on the Power switch. The Power indicator should glow.

6.Turn the input volume controls in use about 3/4 up.

7.Turn up the master volume control(s) until the desired loudness or power level is achieved.

8.Touch up the input levels as needed for equal loudness from each microphone.

9.Turn on any equipment connected to the Line Out connectors.

If you ever need to make any wiring or installation changes, disconnect the power cord.

2.12 Included Accessories

Power cord

Detachable rack ears

Screws for rack ears

Non-touch cover for output connectors

Phoenix-type connectors

Spade lugs

2.13 Optional Accessories

1-VCAP remote volume control for one channel

4-VCAP remote volume control for four channels

Figure 2.11 Wiring a 1-VCAP or 4-VCAP Level Control to the Output VCA Connector

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Operation Manual

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Crown Audio 180MA 280MA, 1160MA Remote Volume Control, Powering Up, Included Accessories, Optional Accessories

1160MA, 180MA 280MA specifications

Crown Audio, a leader in professional amplifier technology, has introduced a series of high-performance amplifiers that cater to a variety of applications. The 1160MA, 180MA, and 280MA models are designed to deliver exceptional sound quality, reliability, and efficiency, making them ideal for both commercial and residential audio installations.

The 1160MA is a versatile amplifier equipped with a powerful, high-efficiency Class D design that ensures maximum power output with minimal heat generation. Capable of delivering up to 1,160 watts per channel, this model is perfect for driving moderate-sized sound systems, whether in a church, auditorium, or live event. Its 70V and 100V compatibility allows for easy integration into existing audio setups, making it suitable for various applications.

The 180MA boasts a lower power output while retaining the same high-quality audio performance that Crown is renowned for. With 180 watts per channel, it is perfect for smaller installations where space and power consumption are considerations. This amplifier also features built-in processing capabilities, allowing users to fine-tune audio output to suit specific acoustic environments. Its compact design and robust construction make it a reliable choice for both permanent installations and portable setups.

The 280MA stands out with its increased power capacity, offering up to 280 watts per channel. It is designed to handle larger loads, making it ideal for venues that require robust sound reinforcement. Like its counterparts, the 280MA features advanced thermal management technology, ensuring reliable operation even during extended use. The inclusion of both analog and digital inputs provides versatility in connectivity, accommodating traditional audio systems alongside modern digital setups.

All three models share some key features, including an intuitive front-panel LCD for easy monitoring of performance metrics and settings. They also include comprehensive protection circuitry, safeguarding against over-voltage, over-current, and thermal overload, thereby ensuring long-term reliability.

In summary, the Crown Audio 1160MA, 180MA, and 280MA amplifiers excel in delivering high-fidelity audio across a range of applications. With their efficient Class D technology, advanced processing options, and robust construction, these amplifiers represent a union of power and flexibility, catering to audio professionals seeking performance and reliability in their sound systems.