LDG AT-200PROII desktop memory tuner. 5-250W, 1.8-54 MHz (YAESU, ICOM). Time was, 100 watts was a lot of power. Today, more and more transceivers feature 200 watts output. Even though many of these modern radios feature a built-in tuner, it’s range and features are usually quite limited; if you need a tuner, you probably need a better one than they built into the radio. The LDG AT-200ProII is designed for this new generation of rig. It's specifically recommended for Ten-Tec and tube radios. Many QRP operators have a small 100-150 watt amplifier for times when you need a few more S-units. The AT-200II is ideal for this kind of operation; it’s minimum required power is only 5 watts, but it will handle the higher power as well. The AT-200II will handle up to 250 watts SSB or CW on 1.8 – 30 MHz, and 100 watts on 54 MHz. It features LDG’s state-of-the-art, processor-controlled Switched-L tuner. It will match virtually any kind of coax-fed antenna, including Yagis, dipoles, inverted Vs, slopers, loops, just about anything. It will typically match a 10:1 SWR down to 1.5:1 in just a few seconds. You can also use the AT-200ProII with longwires, random wires and antennas fed with ladder line with the optional LDG balun.
Operation couldn’t be simpler: while transmitting a carrier, just press the Tune button. An automatic tuning cycle will begin, then end a few seconds later with the tuner set at the lowest SWR (almost instant for frequencies stored in memory).
5 to 250 watts SSB and CW. 100 watts on 6M. 75 watts with PSK or digital modes.
Easy to read LED bargraph display for RF power, SWR and status.
LEDs for Antenna Position and Bypass.
4,000 memories (2000 for each antenna) for instantaneous band changing.
Two position antenna switch with memories for four antennas on each position.
Tuning time: 0.5 to 6 seconds full tune, < 0.1 second memory tune.
Built in frequency counter for memory operation.
Frequency coverage: 1.8 to 54.0 MHz.
Tunes 6 to 800 ohm loads (16 to 150 ohms on 6M), 6 to 3600 ohms with optional 4:1 Balun (LDG RBA 4-1).
For Dipoles, Verticals, Vees, Beams or and Coax Fed Antenna.
Optional external Balun allows tuning of random length, long wire or ladder line fed antennas.
Includes 6' DC power cable.
Power requirements: 11 to 16 volts DC at 750 mA max during tuning.
Enclosure: 9.5D x 7.1W x 2.0H inches.
Weight: 2 pounds.
Warranty and service procedure:
Due to the strict warranty policy of LDG Electronics takes into account that warranty and non-warranty repairs are only performed by the LDG's own service. Warranty period is 2 years. In the event of repair, the owner shall send the product to LDG Electronics service directly and pay the related costs himself.
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