Micro-Tech Series Power Amplifiers

4 Operation

4.2Controls, Indicators and Connectors

4.2.1 Front Panel Facilities

A. Filter Grille

Supports and protects the dust filter (B). To clean the dust filter, detach the grille by remov- ing the three screws that hold it in place.

B. Dust Filter

Removes large particles from the air drawn by the cooling fan. Check the filter regularly to prevent clogging. The filter can be cleaned by soaking in a mild detergent (e.g. dishwashing liquid).

C.ODEP Indicators (Output Device Emulation Protection)

During normal operation, these amber indica- tors glow brightly to show that reserve thermo- dynamic energy is present. They dim proportionally as energy reserves decrease. In the rare event that energy reserves are depleted, the ODEP indicators turn off and the protection circuitry proportionally limits output drive so the amplifier can safely continue operating even under extreme conditions. These indicators also help identify more unusual operating conditions (see Section 5.1.1 on ODEP and Section 7 on Troubleshooting).

D. Enable Indicator

Lights when the amplifier is on. AC power is available and the low-voltage power supply and fan are operational. Does not indicate the status of the high-voltage power supply (see Section 6 on Troubleshooting).

E. Power Switch

Amplifier is on when the switch is in the "on" position. When turned on, the output is muted for approximately four seconds to protect your system from start-up transients.

POWER

ODEP

CH1

CH2

OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

A

B

C

C

D

E

 

 

Figure 4.1 Front Panel Indicators

and Grille

 

 

page 12

 

 

 

 

Operation Manual

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Image 12
Crown Audio MT-601 Dust Filter, Odep Indicators Output Device Emulation Protection, Enable Indicator, Power Switch
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MT-601, 1201, 2401 specifications

Crown Audio is synonymous with high-performance amplifiers, and their models 1201, 2401, and MT-601 embody the brand's commitment to quality and reliability in sound reinforcement. Each model caters to different needs, making them valuable assets in live sound and installation applications.

The Crown 1201 amplifier is designed for versatility, providing 120 watts per channel at 8 ohms. This model features Crown's patented "Power Factor Control," which ensures maximum power delivery with minimal distortion and heat generation. The 1201 is lightweight yet rugged, making it ideal for portable applications. It's equipped with comprehensive protection circuitry, including short circuit and thermal protection, safeguarding both the amplifier and connected speakers.

Moving to the Crown 2401, it ups the power with 240 watts per channel at 8 ohms. The 2401 also employs Crown's advanced input circuitry, which enhances audio clarity and reduces noise. Its design includes an intelligent cooling system with variable-speed fans, accommodating demanding situations while ensuring quiet operation. The amplifier's robust build quality and efficient power usage make it a favorite among sound engineers who require both reliability and performance.

The MT-601 is a versatile addition to Crown's lineup, known for its flexibility in various applications. Delivering 300 watts per channel at 8 ohms, the MT-601 features an advanced monitoring system that provides real-time feedback on system performance. This capability allows sound technicians to make adjustments on the fly, optimizing sound quality. The MT-601's lightweight chassis and modern design make it easy to integrate into any setup.

All three models embody Crown Audio's dedication to innovation through technologies such as output peak limiter and gain monitoring, which prevents signal clipping and distortion. They also feature variable-speed cooling fans that adapt based on the amplifier's thermal load, ensuring efficiency without compromising performance.

In summary, Crown Audio’s 1201, 2401, and MT-601 amplifiers showcase the brand’s expertise in delivering powerful, reliable audio solutions. With their unique features, robust build quality, and advanced technologies, these amplifiers meet the diverse needs of both live performance environments and fixed installations, making them an ideal choice for audio professionals.
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