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Product Overview:
This high-performance 1:4 balun is designed to meet the demanding requirements of amateur radio and professional communications. Its core function is to efficiently convert 50 ohm unbalanced input to 200 ohm balanced output, specifically optimized for Windom antennas. Its exceptional 1000W continuous power handling capability and wide bandwidth coverage from 1-56MHz ensure stable, efficient, and low-loss signal transmission for high-power transmission across the entire shortwave band.
Features:
1. Powerful Power Handling: 1000W PEP/Continuous
Designed specifically for high-power applications, it can handle up to 1000 watts of peak/continuous power, meeting the demanding needs of professional radio and high-power enthusiasts with stable and reliable operation.
2. Precise Impedance Transformations: 1:4 Transformations Ratio (50Ω Unbalanced -> 200Ω Balanced)
This balun perfectly converts 50-ohm unbalanced coaxial cable to 200-ohm balanced feeder cable, providing ideal impedance matching for Winton antennas, maximizing antenna radiation efficiency and significantly improving signal strength.
3. Ultra-Wide Operating Frequency Band: 1-56MHz
This balun covers the entire shortwave (HF) spectrum and part of the 6-meter band (50-54MHz), supporting multi-band operation. A single antenna, combined with this balun, enables global connectivity.
4. Excellent Voltage Standing Wave Ratio (VSWR): < 1.5
The VSWR is strictly controlled below 1.5 across the entire operating frequency band. This results in extremely low signal reflection loss, ensuring that the majority of transmitted power is effectively transmitted to the antenna, protecting the transmitting equipment and enhancing communication quality.
5. Optimized for Winton Antennas:
Designed specifically for the 200-ohm balanced input characteristics of Winton antennas, it is an essential component for building efficient Winton antenna systems, eliminating complex matching and debugging.
6. Rugged Design:
Manufactured using high-quality materials and sophisticated craftsmanship, the internal transformer is meticulously designed, ensuring excellent heat dissipation and stability under extended high-power operation.
7. Lightweight and Portable:
Weighing only approximately 350 grams and featuring a compact design (approximately 57mm diameter x 175mm height), it is easily mounted on an antenna support pole or near the antenna, minimizing feeder line losses and making it easy to carry and set up.
Applications:
- An ideal companion for Windom antennas (Off-Center Fed Dipole - OCFD)
- Amateur shortwave radio (HF Ham Radio)
- Professional shortwave communication systems
- Applications requiring high power, wide bandwidth, and 50Ω to 200Ω balanced conversion
Package Included:
1 x 1:4 Impedance Transformations Balun
Recommendations:
This 1:4 balun combines high power, wide bandwidth, low standing wave (VSWR), and precise matching, specifically designed for efficient feeding of Winton antennas. Its 1000W power headroom and excellent electrical performance ensure reliable, robust, and clear communications, making it a wise choice for radio enthusiasts and professionals seeking exceptional performance.
Note: Actual operating parameters (such as VSWR) may vary slightly due to factors such as the specific antenna installation environment. It is recommended to be used in conjunction with a well-established antenna system.




