LDG AT-600PROII Autotuner
Best automatic antenna tuner for mid-power amateur radio operators.
This automatic tuner simplifies the complex process of matching antennas to radios, making band switching nearly effortless. It handles significant power levels while storing settings for quick recall, removing the frustration of manual tuning for hobbyists.
$289.00
Who it's for
- Operators running medium to high-power amateur radio setups
- Contesters needing instant frequency switching and minimal downtime
- Hams using non-resonant or compromised antenna systems
Who should skip it
- Budget-conscious hobbyists preferring manual or low-wattage alternatives
- Users who prefer detailed graphical LCD data displays
- Portable operators wanting to avoid extra power cabling
Performance breakdown
Tuning Speed
Memory recall makes frequency switching nearly instantaneous for active operators.
Power Handling
Handles 600W comfortably, perfect for mid-sized amplifier setups.
Impedance Matching
Broad range handles most common antenna configurations with ease.
Interface Intuition
Clear bar-graph display makes monitoring SWR and power straightforward.
Memory Capacity
Two thousand slots ensure your favorite bands are always ready.
Setup Versatility
Dual antenna ports simplify switching, though longwires require external baluns.
Key Specs
Power Output
Up to 600W (SSB/CW)
Tuning Power Limit
150W maximum for automatic tuning cycle
Frequency Range
1.8 - 54.0 MHz continuous
Impedance Match Range
6 to 1000 ohms (16 – 150 ohms on 6 meters)
Memory Locations
2,000 per antenna
Tuning Time
Under 10 seconds (Under 0.2 seconds with memory)
Antenna Connectors
Two output connectors
Compatibility Notes
Requires external balun for longwires or ladder line antennas
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