MFJ-989D 1500 Watt legal limit Antenna Tuner
New and improved!
Worlds most popular legal limit antenna tuner just got better — with no increase in price! You get better efficiency, lower losses, and a new true peak-reading meter. Easily handles full 1500 Watts SSB/CW, 1.8 to 30 MHz including MARS/WARC bands.
New 500 pFair variable capacitors
New AirCoreTM Roller Inductor with new fast-tune Crank Knob
New TrueActiveTM Peak-Reading Cross-Needle SWR/Wattmeter with new Super-bright LED
New High-Voltage Current Balun
New rugged Cabinet maintains hi-Q
Made in the U.S.A.
The worlds most popular legal limit antenna tuner just got better — much better — with no increase in price!
You get better efficiency, lower losses and a new true peak reading SWR/Wattmeter. It easily handles full 1500 Watts SSB/CWand covers 1.8 to 30 MHz, including MARS and WARC bands into balanced or unbalanced loads.
You can match dipoles, verticals, inverted vees, random wires, beams, balanced lines, coax, mobile whips, shortwave — nearly any antenna.
You get everything you’ve ever wanted in a high power, full featured antenna tuner — extremely wide matching range, lighted Cross-Needle SWR/Wattmeter, antenna switch, dummy load and balun.
Massive Transmitting Capacitors
New huge 500 pF air variable capacitors give you twice the capacitance for much more efficient operation on 160 and 80 Meters. Specially shaped plates give low minimum capacitance resulting in an extremely wide matching range — 160 thru 10 Meters.
New larger, more attractive capacitor knobs with easy-to-see dials make tuning much easier and precise.
MFJ AirCoreTM Roller Inductor with new fast-tune Crank Knob
New and improved AirCore Roller Inductor gives you lower losses, higher Q and handles more power with no self-resonances. It gives you cool, efficient and smooth tuning on all bands and its air core cant burn up!
Large, self-cleaning wiping contact gives excellent low-resistance connection without contact arcing or burning. New fast-tunecrank knob lets you reset your roller inductor quickly, smoothly and accurately. A precision gear driven 3-digit turns counter lets you accurately reset your roller inductor for quick band changing.
TrueActiveTM Peak Reading SWR/Wattmeter
New TrueActive peak reading SWR/Wattmeter lets you read true peak or average power on all modes. Large, easy-to-read super-bright LED lighted Cross Needle meter lets you read SWR and forward/reflected (3000/300 Watt ranges) power at a single glance. Uses 9-Volt battery and/or 12 VDC or 110 VAC with MFJ-1312D.
MFJ High Voltage Current Balun
New high voltage current balun lets you tune high and low impedance balanced lines without core saturation or voltage breakdown. Its constructed with two giant 2 1/2 inch toroid cores and wound with high voltage wire connected to high-voltage glazed ceramic feedthrough insulators.
Super Antenna Switch
MFJ-989Ds super heavy duty antenna switch is made of two individual ceramic wafers wired in parallel. Extra wide spaced, heavy duty contacts handle extreme voltages and currents. Weve never burned one up! You can select two coax antennas (directly or through tuner), balanced line/random wire, or built-in dummy load.
Built-in Dummy Load
A full-size 300 Watt non-inductive 50 Ohm dummy load is built-in. You’ll find it handy for transmitter tuning, testing and repairing rigs, setting power level, adjusting mic gain and more.
New Cabinet maintains high Q
New roomy cabinet helps maintain components high Q. Vent holes keeps components cool. Super construction — non-stripping PEM nuts, wing-nut ground post, fire-retardant epoxy glass PC board, and heavy gauge wire throughout. Measures 12 7/8W x 6H x 11 5/8D inches.
Lexan Front Panel
The MFJ-989D has a new nearly indestructable multi-color Lexan front panel. Its detailed logging scales and legends will be legible for a lifetime of DXing.
Wide Range T-Network
The MFJ-989D uses the time-tested wide range T-Matching Network. It gives you the widest matching range and is the easiest to use of all matching networks. With MFJs new high value 500 pF air variable capacitors and new low loss roller inductor, it easily handles high power efficiently.
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