
( Brand: Mfj ), ( Model: MFJ-959B ), ( Part Type: Antenna Tuner Receiver ), ( Country/region Of Manufacture: United States )
The MFJ-959B Antenna Tuner Preamplifier Receiver is a versatile and powerful tool designed for amateur radio enthusiasts and hobbyists. This device is equipped with an automatic and manual antenna tuner, capable of matching a wide range of antennas to various radio frequencies from 1.8 to 54 MHz.
The MFJ-959B features a built-in preamplifier that boosts the signal strength of weak or distant signals, improving the overall performance of your radio system. The preamplifier can be bypassed when not needed, preserving the signal purity and reducing noise.
The tuner section of the MFJ-959B is a 1:1 balun, ensuring a balanced feedline connection to your antenna, reducing common mode noise and improving RFI (Radio Frequency Interference) performance. The tuner is also capable of matching impedances up to 500 ohms, making it suitable for a variety of antenna types.
The MFJ-959B includes a high-quality receiver with a built-in S-meter, providing real-time signal strength and SWR (Standing Wave Ratio) readings. The receiver also features a BFO (Beat Frequency Oscillator) for single sideband operation, making it easier to decode CW (Continuous Wave) messages.
The MFJ-959B is compact and portable, with dimensions of 5.5 x 3.5 x 1.5 inches and a weight of just 1.3 pounds. It is powered by 12V DC, making it easy to use with a variety of power sources, including battery packs and portable power supplies.
The MFJ-959B Antenna Tuner Preamplifier Receiver is a must-have tool for any amateur radio enthusiast, offering a powerful and versatile solution for improving your radio system's performance and making weak signals more audible.
Pros of MFJ-959B Antenna Tuner and Preamplifier Receiver:1. Wide frequency range: The MFJ-959B covers a wide frequency range of 1.8 to 30 MHz, making it suitable for a variety of amateur radio applications.
2. Automatic tuning: The tuner automatically adjusts the impedance of your antenna to match the transmitter, reducing power loss and improving efficiency.
3. Manual tuning: If you prefer, you can also manually tune the antenna using the tuning control knob.
4. Built-in preamplifier: The built-in preamplifier boosts the signal strength, reducing noise and improving reception, especially in weak signal conditions.
5. Rugged construction: The MFJ-959B is built to withstand harsh outdoor conditions, making it ideal for portable use.
Cons of MFJ-959B Antenna Tuner and Preamplifier Receiver:1. Size and weight: The MFJ-959B is a larger and heavier unit compared to some other antenna tuners, which may make it less portable for some users.
2. Price: The MFJ-959B is more expensive than some other antenna tuners, which may be a deterrent for budget-conscious users.
3. Power consumption: The built-in preamplifier consumes more power than some other antenna tuners, which may be a concern for users with limited power sources.
Conclusion:The MFJ-959B Antenna Tuner and Preamplifier Receiver is a high-quality, versatile unit that is ideal for amateur radio enthusiasts who require a wide frequency range, automatic and manual tuning, and built-in preamplifier. However, its size, weight, and price may be a deterrent for some users. If you can afford the price and don't mind the size, the MFJ-959B is a great investment for improving your amateur radio experience.
Recommendation:If you are looking for an antenna tuner and preamplifier receiver with a wide frequency range, automatic and manual tuning, and built-in preamplifier, the MFJ-959B is a great option to consider. However, if you are looking for a more portable or budget-friendly unit, you may want to consider other options available in the market.
Mfj 959b receiver antenna tuner preamplifier with owner's manual new old stock with instruction manual and Mfj catalog 100% satisfaction.