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Monacor PA-4120 PA Power Amplifier 4 x 120W - 22V/50V/70V/100V

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Monacor PA-4120 4-Channel Power Amplifier

Overview

The Monacor PA-4120 is a robust 4-channel power amplifier delivering 120 W per channel into 4 Ω load impedances. Designed for professional audio installations, it is well-suited for applications in venues such as conference centres, auditoriums, and places of worship. Its versatile features and reliable performance make it an excellent choice for both background music and public address systems.

Design and Build Quality

Constructed with a durable 19-inch, 3U steel chassis, the PA-4120 ensures longevity and stability in rack-mounted configurations. The front panel is equipped with LED indicators for clip, protect, overtemperature, and output level, offering clear visual indicators for system status. Additionally, the unit incorporates a temperature-controlled fan to maintain optimal operating conditions, enhancing both performance and lifespan.

Key Technologies and Features

Specifications

Specification Details
Power Output 4 x 120 W at 4 Ω
Frequency Response 55 Hz - 17,000 Hz
Total Harmonic Distortion (THD) < 1%
Signal-to-Noise Ratio (S/N) > 90 dB(A)
Inputs 1.2 V, balanced
Output Impedance 22 V/4 Ω, 50 V/21 Ω, 70 V/41 Ω, 100 V/83 Ω
Power Supply ~230 V/50 Hz/1,400 VA or DC 24 V/60 A
Dimensions (W x H x D) 483 x 133 x 370 mm
Weight 25 kg
Connections 4 x XLR (inputs), screw terminals (speakers)

Performance and User Experience

The PA-4120 delivers consistent and high-quality audio amplification across its four channels, ensuring clear and reliable sound distribution. The amplifier's dual power supply options and external control connectivity enhance its versatility, making it adaptable to diverse installation settings and user needs.

Q&A Section

Q: Can the PA-4120 operate with both mains and DC power sources?

A: Yes, the PA-4120 supports both ~230 V AC mains operation and 24 V DC emergency power supply, providing flexibility and reliability in different power scenarios.

Q: What is the total harmonic distortion (THD) of the PA-4120?

A: The PA-4120 has a THD of less than 1%, ensuring high-fidelity audio amplification with minimal distortion.

Q: Are there indicators for monitoring the amplifier's status?

A: Yes, the front panel includes LED indicators for clip, protect, overtemperature, and output level, allowing users to easily monitor the amplifier's performance and status.

Q: Is it possible to control the PA-4120 remotely?

A: Absolutely. The PA-4120 offers connections for external on/off and mute switches, facilitating integration with remote control systems for enhanced operational convenience.

Q: What are the dimensions and weight of the PA-4120?

A: The amplifier measures 483 mm in width, 133 mm in height, and 370 mm in depth, with a total weight of 25 kg.


Previous product: Monacor PA-2240 PA 2 x 240W Power Amplifier 25V/44V/75V/100V
Monacor PA-2240 PA 2 x 240W Power Amplifier 25V/44V/75V/100V
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