The MFJ-976 is a 1500 Watt full legal limit fully balanced antenna tuner. You get superb balance, very wide matching ranges (12-2000 Ohms) and continuous 1.8-30 MHz coverage including all WARC bands! It handles a full 1500 Watts SSB and CW.
You can tune any balanced lines including 600 Ohm open wire line, 450/300 Ohm ladder lines, 300/72 Ohm twin lead -- shielded or unshielded. The MFJ-976 also tunes random wires and coax-fed antennas.
MFJ-1312D power supply or MFJ-5513 cable for 12VDC needed for metering circuitry