Intellitron AA-3913 Current Balun
Best impedance matching solution for amateur radio antenna enthusiasts.
This robust balun is the essential bridge for folded dipoles, expertly taming common-mode noise while matching impedance. You trade a bit of bulk for a heavy-duty, two-core design that ensures your signal stays clean and your equipment protected across the entire HF spectrum.
$49.95
at
GigaParts
Who it's for
- High-power enthusiasts needing reliable, heat-resistant equipment
- Operators struggling with high noise floors and interference
- Hams using folded dipoles or high-impedance wire antennas
- Radio hobbyists seeking a cleaner, quieter signal environment
- Antenna builders matching OCFD designs to standard coax
- Contesters running high-duty cycle transmissions for long periods
Who should skip it
- Outdoor installers lacking experience with weatherproofing feed points
- Users with standard half-wave dipoles needing 1:1 matching
- Efficiency purists concerned about minimal signal loss
- Operators working at the extreme edges of HF bands
- Experimenters requiring versatile, multi-ratio impedance matching
- DXers prioritizing maximum power delivery at high frequencies
Performance breakdown
Impedance Matching
Precise 4:1 transformation ensures optimal power transfer for balanced antenna loads.
RF Suppression
Guanella design effectively eliminates common-mode noise for a cleaner signal.
Weather Resistance
Heavy PVC housing and stainless hardware withstand harsh outdoor environmental conditions.
Power Handling
Reliably manages 300 watts, covering most standard amateur radio station requirements.
Frequency Versatility
Broad 160-meter to 10-meter range supports diverse multi-band antenna configurations.
Installation Ease
Integrated copper pigtails simplify the connection process for quick antenna deployment.
Key Specs
Power Rating
300 Watts PEP/CW
Transform Ratio
4:1
Impedance
200 ohms balanced to 50 ohms source
Frequency Range
1.8 MHz to 50 MHz (160-10M)
Configuration
Two-core Guanella design
Enclosure Material
Heavy PVC
Pigtail Gauge
14-gauge copper
Material
Plastic
Power Output
300 watts
Frequency Band
HF
Know before you buy
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