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MFJ 935B Small High-Efficiency Loop Tuners™ MFJ-935B

Antenna Tuner, Loop, High-Efficiency, Manual, Desktop, 150 watts, 60-10 meters, External, Each

Availability: In Stock
Estimated Ship Date: Today

In-Store Pick Up Available in Ohio  Details



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Brand: MFJ
Manufacturer's Part Number: MFJ-935B
Part Type: Antenna Tuners
DXE Part Number: MFJ-935B

Antenna Tuner Type: Manual
Antenna Tuner Location: Desktop
Weather-Resistant: No
Mobile Whip Tuner: No
Tuner Maximum Power Rating: 150 watts
Frequency Range: 5.3-30 MHz
Tuner Inductor Type: Switched
Tuner Capacitors: 1
Tuner Bypass Switch: No
Tuner Control Type: External
Internal Dummy Load: No
Internal Balun Type: None
DC Power Required: No
Tuner Width: 6.250 in.
Tuner Height: 5.500 in.
Tuner Depth: 9.500 in.
Tuner Weight: 3.10 lbs.
Quantity: Sold individually.

Drape a wire around a bookcase and attach both ends to an MFJ 935B small high-efficiency Loop Tuner™ and they instantly turn into a small, high-efficiency, multi-band transmitting loop antenna! MFJ 935B tuners include an RF current meter for maximizing the power being delivered to the loop antenna. You can operate 5.3 to 29.7 MHz with a full 150 watts. No ground, radials, or counterpoises are needed. A 13 ft. wire formed into a loop operates 30-20 meters, 4 ft. for 17-10 meters, 7 ft. for 20-15 meters, and 28 ft. for 60 meters. You can tune any shape of loop--a circle, square, rectangle, or any odd shape--however, a quarter-wavelength wire shaped as a circle is the most efficient. A fixed wire length covers about a 1.5 to 1 frequency range (i.e., 28-18 or 10-7 MHz, etc.). Exact frequency coverage depends on the wire length, loop shape, and environment. The excellent performance of a small high-efficiency loop antenna is well known and well proven by users all over the world. You'll radiate a low-angle DX signal that literally rivals full size dipoles and works incredible DX! They are also a very quiet receiving antenna. They respond to magnetic fields, and not electric fields, so you'll hardly notice static crashes during a storm. Their high-Q rejects out-of-band interference and reduces overloading and harmonics. MFJ 935B tuners are perfect for apartments, hotel/motel rooms, antenna-restricted areas, and portable locations! You can take one with you and have it up and operating in minutes from nearly anywhere when camping, on vacation, DXpeditons, or even from a motor home. All you need is a transmitter/transceiver with a wattmeter and a wire loop to be operating in no time. An easy-carry handle permits easy handling to and from portable locations. The MFJ-935B High-Efficiency Loop Tuners™ also have a detachable mount for a PVC cross.


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