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MFJ 993B IntelliTuner™ Automatic Antenna Tuners MFJ-993B

Antenna Tuner, IntelliTuner, Automatic, Desktop, 300 watts, 160-10 meters, External, Each

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Price:

$279.95

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Brand: MFJ
Manufacturer's Part Number: MFJ-993B
Part Type: Antenna Tuners
DXE Part Number: MFJ-993B

UPC: 650619002058
Antenna Tuner Type: Automatic
Antenna Tuner Location: Desktop
Weather-Resistant: No
Mobile Whip Tuner: No
Tuner Maximum Power Rating: 300 watts
Frequency Range: 1.8-30 MHz
Tuner Inductor Type: Automatic
Tuner Capacitors: Automatic
Tuner Bypass Switch: Yes
Tuner Control Type: External
Internal Dummy Load: No
Internal Balun Type: Current
DC Power Required: Yes
Tuner Width: 10.000 in.
Tuner Height: 2.750 in.
Tuner Depth: 9.000 in.
Tuner Weight: 4.80 lbs.
Quantity: Sold individually.
Notes: Note: For additional information, please look at the files under the “Documentation” tab.

Additional Information

Lowest Band of OperationHighest Band of Operation
160 meters-
-10 meters
40 meters-
60 meters-
80 meters-

MFJ 993B IntelliTuner™ Automatic Antenna Tuners facilitate tuning any antenna automatically; balanced, unbalanced, or single-wire.

MFJ 993B tuners are comprehensive automatic antenna tuning centers with an SWR/wattmeter, a built-in antenna switch for two antennas, and a 4:1 current balun for balanced lines. They may be operated at a remote distance through a 9-pin to 9-pin computer cable using the MFJ-993RC remote control unit.

MFJ's exclusive InstantRecall™, IntelliTune™, and AdaptiveSearch™ algorithms provide fast automatic tuning with more than 20,000 non-volatile VirtualAntenna™ memories. Each of the two antenna ports have four banks of memory; each memory bank has over 2,500 non-volatile memories for tuner settings.

These tuners include a highly efficient switching L-network with wide matching capability, 1.8 to 30 MHz coverage, cross-needle power meters, a backlight LCD screen, a port for an accessory remote control, a radio interface port, and heavy-duty 16 amp/1,000 V relays. They are rated at 300 watts to match 6 to 1,600 ohm antennas (SWR up to 32:1) or 150 watts to match wider range of 6 to 3,200 ohm (SWR up to 64:1) antennas. A maximum of 256 values of inductance and 256 values of capacitance is available. With the capacitance switched between the input and output side, this provides a total of 131,072 L/C tuning combinations. The nominal tuning ranges are 0 to 24 microhenrys and 0 to 3,900 picofarads.

All MFJ IntelliTuners™ learn and remember. When you transmit, they automatically adjust for minimum SWR and remember the frequency and tuner settings, then safely store them in non-volatile memory. The next time you operate on that frequency (or close to it), tuner settings are instantly restored and you're ready to operate in milliseconds.

MFJ 993B IntelliTuner™ features include:

* Automatically matches antennas with impedance of 6 to 1,600 ohms or 6 to 3,200 ohms (depending on power level)
* Handle 300 watts (match 6 to 1,600 ohms) or 150 watts (match 6 to 3,200 ohms)
* Initially tune in less than 15 seconds, usually less than 5 seconds
* Over 20,000 non-volatile memories for tuner settings
* Four memory banks per antenna with over 2,500 memories per bank
* Highly efficient switching L-network matching circuit
* 1.8 to 30 MHz continuous frequency coverage
* Adjustable target SWR 1.0 to 2.0
* Adjustable SWR retune threshold 0.5 to 1.5 change
* Lighted cross-needle SWR/wattmeter with high, low, and auto range options
* Multifunction backlit LCD screen with contrast control
* Numeric readings for SWR, forward, and reflected power
* Bar meters for SWR, forward, and reflected power with range options
* Audio SWR meter with volume control
* Built-in frequency counter
* Two SO-239 unbalanced coax antenna connectors
* Connector for random wire or single wire antennas
* Built-in 4:1 current balun for balanced line antennas
* Optional remote control
* Optional radio interface for compatible radios
* Requires 12V DC at less than 1 amp for operation

MFJ 993B IntelliTuner™ Automatic Antenna Tuners offer a wealth of features with good power handling at an affordable price. Order MFJ-993B tuners from DX Engineering!

Warranty

Most Helpful Reviews Review this Product

3 Customer Reviews for MFJ MFJ-993B - MFJ 993B IntelliTuner™ Automatic Antenna Tuners

Average Customer Review

5 Star

(2)

4 Star

(0)

3 Star

(1)

2 Star

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1 Star

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+See All 3 Reviews

Great addition to the shack!

DX EngineeringDX Engineering Verified Purchase

MFJ-993B
Hooked the tuner up to a Kenwood TS-520 transceiver and after a brief read of the quick start instructions I was up and running! I tuned up on low power after tuning the rig and after a quick press of the tune button, a few clicks and pops of the internal relays, and then cranking up the power on the Kenwood to 100 watts and I was transmitting. The display gives good feedback of what the status is and the cross needle operates smooth and crisp. The display gives feedback of frequency, SWR, power out, bar graph of frequency and SWR, and antenna selection. You can connect both balanced and unbalanced antennas and random length wires to the connectors on the rear. The tuner quickly tunes up once the relays are set for the band and remembers the settings for that frequency. There is an included 12 VDC power cable to connect to your station power supply to provide juice to the tuner. The only thing I would like to see different is the cross needle meter larger in size making it easier for an old guy like me.

2 of 2 found this review helpful.

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Reviewer: from OH

Date: March 05, 2018

Appearance
Ease of Installation
Price/Value
Quality

Great till it stopped working.

DX EngineeringDX Engineering Verified Purchase

MFJ-993B
Arrived on 11/22/2017 and went straight into service. Been working great till we tried to tune up on 4/27/2018. Everything lights up but will not tune. Done the self test feature listed in the manual and everything passed. Done a factory reset as listed in the manual and still does not tune. Guess will have to mail it back to MFJ.

1 of 1 found this review helpful.

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Reviewer: from NC

Date: April 28, 2018

Appearance
Ease of Installation
Price/Value
Quality

Outstanding

DX EngineeringDX Engineering Verified Purchase

MFJ-993B
Works super. Even on 160 with a G5RV.

1 of 1 found this review helpful.

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Reviewer: from MI

Date: April 05, 2018

Appearance
Ease of Installation
Price/Value
Quality

Most Recent Reviews

Great till it stopped working.

Arrived on 11/22/2017 and went straight into service. Been working great till we tried to tune up on 4/27/2018. Everything lights up but will not tune. Done the self test feature listed in the manual and everything passed. Done a factory reset as listed in the manual and still does not tune. Guess will have to mail it back to MFJ.

Published on April 28, 2018 by SHANNON

Outstanding

Works super. Even on 160 with a G5RV.

Published on April 05, 2018 by WILLIAM

Great addition to the shack!

Hooked the tuner up to a Kenwood TS-520 transceiver and after a brief read of the quick start instructions I was up and running! I tuned up on low power after tuning the rig and after a quick press of the tune button, a few clicks and pops of the internal relays, and then cranking up the power on the Kenwood to 100 watts and I was transmitting. The display gives good feedback of what the status is and the cross needle operates smooth and crisp. The display gives feedback of frequency, SWR, power out, bar graph of frequency and SWR, and antenna selection. You can connect both balanced and unbalanced antennas and random length wires to the connectors on the rear. The tuner quickly tunes up once the relays are set for the band and remembers the settings for that frequency. There is an included 12 VDC power cable to connect to your station power supply to provide juice to the tuner. The only thing I would like to see different is the cross needle meter larger in size making it easier for an old guy like me.

Published on March 05, 2018 by PAUL

+See All 3 Reviews
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