Mfj-939 2 Tone: A Comprehensive Guide

Are you looking for a versatile and powerful radio that can cater to your needs? Look no further than the MFJ-939 2 Tone. This radio is a favorite among amateur radio enthusiasts and hobbyists alike. In this detailed guide, we will explore the features, specifications, and performance of the MFJ-939 2 Tone, helping you make an informed decision.

Design and Build Quality

The MFJ-939 2 Tone is a sleek and modern radio that boasts a robust build quality. It features a durable metal case that ensures longevity and resistance to wear and tear. The radio’s design is user-friendly, with a clear and intuitive interface that makes it easy to navigate through various settings and functions.

One of the standout features of the MFJ-939 2 Tone is its compact size. It measures approximately 8.5 inches in length, 6 inches in width, and 2 inches in height, making it a perfect choice for those who are looking for a portable radio that can be easily carried around.

Frequency Range and Modes

The MFJ-939 2 Tone offers a wide frequency range, covering both the AM and FM bands. It can operate on frequencies ranging from 5.3 kHz to 30 MHz, which allows you to tune in to a wide variety of radio stations and signals. The radio also supports various modes, including AM, FM, and LSB (Lower Side Band) for shortwave reception.

Here is a table showcasing the frequency range and modes supported by the MFJ-939 2 Tone:

Band	Frequency Range (MHz)	Mode
AM	5.3 – 1.6	AM
FM	88 – 108	FM
Shortwave	1.6 – 30	LSB, AM, FM

Features and Performance

The MFJ-939 2 Tone is packed with features that enhance its performance and usability. Here are some of the key features:

Receiver Sensitivity: The radio boasts excellent receiver sensitivity, allowing you to pick up weak signals with ease.
Signal Strength Indicator (SSI): The SSI provides a visual indication of the strength of the received signal, making it easier to identify and tune in to strong signals.
Notch Filter: The notch filter helps eliminate unwanted signals and interference, ensuring a clear and crisp audio experience.
Memory Channels: The radio can store up to 100 memory channels, allowing you to quickly access your favorite stations.
External Antenna Connector: The MFJ-939 2 Tone comes with an external antenna connector, enabling you to use a variety of antennas to optimize reception.

When it comes to performance, the MFJ-939 2 Tone does not disappoint. It delivers clear and loud audio output, making it ideal for both listening to music and tuning in to news and sports broadcasts. The radio’s tuning speed is fast, and the scanning feature allows you to quickly search for new stations.

Accessories and Compatibility

The MFJ-939 2 Tone comes with a variety of accessories to enhance its functionality. These include:

AC Adapter: The radio can be powered using an AC adapter, making it convenient for extended listening sessions.
Carrying Case: The included carrying case provides protection for the radio when it is not in use.
Antenna: The radio comes with a telescopic antenna that can be extended to optimize reception.

The MFJ-939 2 Tone is compatible with a wide range of antennas, including dipole, loop, and end-fed antennas. This allows you to customize your setup based on your specific needs and preferences.