TLDR Review: "GOOZEEZOO Balun Antenna"
Pros
- •Performs well as a transformer for EFHW antennas across 40m bands with minimal signal loss (~0.2 S-units).
- •Durable and weluilt with heavy construction materials that withstand regular heavy use and direct sunlight.
- •Handles continuous power up to 150W CW on 45m bands without overheating; reliable operation over 100W on digital modes.
- •Provides effective 1:1 balun performance as expected, enabling operation across the HF band (160m to 10m).
- •Easy to deploy and customize with included specifications; wire length can be modified for different frequency bands.
- •Offers good reception even without a counterpoise, though adding one improves signal pickup.
- •Includes quality components such as a TDK capacitor, indicating solid internal build.
- •Maintains antenna tuning even with significant antenna height adjustments.
- •Overall great value for the money with strong reliability during use.
Cons
- •Functions closer to a 49:1 impedance ratio rather than the advertised 64:1, with optimal performance near a 2250 ohm load, causing some confusion.
- •Requires RTV sealant for waterproofing despite having a rubber grommet; ABS housing shows limited UV resistance over time.
- •Overheats when used with FT8 mode at higher power; recommended to keep power below 80W for FT8.
- •No dedicated counterpoise screw terminal, which is critical for optimal antenna function—requires DIY modification to attach one.
- •Wire attachment screw is smaller than ideal, making wire connection a bit fiddly.
- •Performs less efficiently on 10m and higher bands, and resonance on 80m band has poor efficiency without a dedicated 80m wire version.
- •Functions as a voltage Balun rather than a current Balun, which may not suit all antenna setups.
- •Lack of clear product specification on the website caused confusion regarding balun type before purchase.
Bottom Line
The GOOZEEZOO Upgrade Balun Antenna 1:1 Dipole is a robust, well-built balun for EFHW antennas that handles moderate power well and provides reliable performance across a wide HF bandwidth. However, it’s not quite a perfect 64:1 balun as advertised, and some waterproofing and counterpoise connection needs DIY attention. If you want a solid value for general-purpose HF use and don’t mind minor tweaks, this one’s a strong contender. For those needing a more straightforward counterpoise solution or better higher-band efficiency, you might want to explore other dedicated balun designs that emphasize those features more clearly.
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