MFJ-998

MFJ 998 Legal Limit IntelliTuner™ Automatic Antenna Tuners (MSRP $769.95) New Condition $500/bo

MFJ 998 legal limit IntelliTuner™ automatic antenna tuners are comprehensive, automatic antenna tuning centers with an SWR/wattmeter and an antenna switch for two antennas. MFJ 998 tuners let you rapidly tune almost any unbalanced or single-wire antenna automatically. Balanced feedlines may be used with an external 4:1 balun connected to the MFJ 998 antenna output. MFJ 998 tuners include MFJ's Amplifier Bypass Control™. These exclusive MFJ antenna tuners fully protect your amplifier during tuning and will even take your amplifier off-line should the SWR increase above a user-defined preset limit. MFJ's exclusive InstantRecall™, IntelliTune™, and AdaptiveSearch™ algorithms give you fast, automatic tuning with more than 20,000 non-volatile VirtualAntenna™ memories. Each of the two antenna outputs has four banks of memory, and each memory bank has over 2,500 non-volatile memories for tuner settings. MFJ 998 legal limit tuners include a highly efficient switching L-network with wide matching capabilities, 1.8 to 30 MHz coverage, cross-needle power meters, a backlit LCD display, a radio interface port, and heavy-duty 16 amp/1,000 V relays. They're rated at 1,500 watts SSB/CW and will match impedances from 12 to 1,600 Ohm antennas (SWR up to 32:1). A maximum of 256 values of inductance and 256 values of input capacitance, or 64 values of output capacitance, is available. This provides a total of 81,664 L/C tuning combinations. The nominal tuning ranges are 0 to 24 microhenry and 0 to 3,900 pF (input) or 0 to 970 pF (output). And once a match is found, the matching network values can be displayed, so you may design your own fixed matching network if desired. All MFJ 998 IntelliTuners™ learn and remember. When you transmit, they automatically adjust for minimum SWR and remember the frequency and tuner settings, which are safely stored in non-volatile memory. The next time you operate on that frequency (or close to it) and antenna, these tuner settings are instantly restored and you're ready to operate in milliseconds. Each of the two antenna selections has four banks of memory, which can learn and remember more than 2,500 frequencies and tuner settings per bank.

Features include:
* Automatically match antennas from 12 to 1,600 ohms impedance (SWR up to 32:1)
* Handle 1,500 watts SSB/CW
* Tune in less than 20 seconds, usually less than 5 seconds
* Highly efficient switched, network matching circuit
* Direct readout of matching L-C values available after tuning
* 1.3 to 30 MHz continuous frequency coverage
* Adjustable target SWR from 1.0 to 2.0b* Adjustable SWR threshold from 0.5 to 1.5
* Adjustable amp bypass SWR from 1.5 to 3.0
* Lighted cross-needle SWR/wattmeter with high, low, and auto range options
* Multifunction backlit LCD display with contrast control
* Numeric readings for SWR, forward, and reflected power
* Bar meters for SWR, forward, and reflected power with peak hold and range options
* Audio SWR meter
* Built-in frequency counter * Built-in radio interface circuitry for compatible radios
* Two SO-239 coax fed antenna connectors
* Connector for random wire or single wire antennas
* Built-in bootloader for field upgradeable firmware

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MFJ-998BRT

MFJ 998BRT IntelliTuner™ Remote Automatic Antenna Tuners (MSRP $949.95) New Condition $625/bo

Comprehensive, 600 watt, SSB/CW remote automatic antenna tuning units that match 12-800 Ohm antennas. MFJ 994BRT tuners are mounted in a durable, hard plastic case that measures just 9 1/4 in. wide x 3 in. high x 14 1/4 in. deep. They cover 1.8 to 30 MHz, have heavy-duty 16 amp/1,000 V relays and feature the highly efficient L-network. MFJ 994BRT tuners let you tune any antenna automatically, balanced or unbalanced--extra fast. MFJ's exclusive IntelliTuner™, Adaptive Search™, and InstantRecall™ algorithms give you ultra-fast automatic tuning with over 10,000 VirtualAntenna™ memories. As you're ragchewing, contesting, or DXing, your MFJ IntelliTuner™ is learning! When you transmit, the MFJ 994BRTs automatically tune for minimum SWR and remember your frequency and tuning settings. The next time you operate on that frequency and antenna, the tuner settings are instantly restored and you're ready to operate in milliseconds! MFJ's new VirtualAntenna™ memory system gives you 2,500 memories and has a coaxial antenna connector and a binding post for end-fed long wire antennas. MFJ's InstantRecall™ first checks its memory to see if you have operated this frequency before. If so, tuning is instantaneous and you're ready to operate. If not, MFJ's IntelliTuner™ algorithm, based on MFJ's famous SWR Analyzer technology, kicks in. First, it measures the complex impedance of your antenna. Next, it calculates the components it needs and instantly snaps them in. Then, it fine-tunes to minimize SWR and you're ready to operate in a fraction of a second. When the impedance is within its measurement range, MFJ 994BRT tuners are one of the fastest automatic antenna tuners in the world! If impedance can't be accurately determined, MFJ's AdaptiveSearch™ algorithm goes into action. Frequency is measured and relevant component values are determined. Only those values are searched for ultra-fast tuning. For even faster searches, you can set the target SWR to 2 (settable from 1.0 to 2.0). They also include the MFJ BiasTee Power Injector to send DC/RF down your coax.

Features

• Automatically matches antennas from 12 to 800 ohms impedance  • Handles 600 watts PEP SSB/600 watts CW/500 watts constant carrier  • Tunes in less than 15 seconds, usually less than 5 seconds  • Over 10,000 non-volatile memories for tuner settings  • Four memory banks with over 2500 memories per bank • Highly efficient switching L-network matching circuit • 1.8 to 30 MHz continuous frequency coverage • Selectable target SWR 1.5 or 2.0 (default is 1.5)  • Selectable SWR threshold 0.5, 1.0 or 1.5 (default is 0.5 above target SWR)  • Lighted cross-needle SWR/wattmeter with high, low and auto range options  • Built-in frequency counter for remembering frequency-specific matching values

• SO-239 coax fed antenna connector • Connector for random wire or single wire antennas

Specifications

• Impedance matching range: 12 to 800 ohms

• SWR matching range: Up to 4:1 for < 50 ohms and up to 16:1 for > 50 ohms

• Minimum power for tuning: 2 watts (optimum SWR tuning accuracy occurs at 10-20 watts)

• Maximum power while tuning: 100 watts with foldback, 20 watts without foldback

• RF power limit: 600 watts PEP SSB/600 watts CW/500 watts constant carrier

• Frequency range: 1.8 to 30 MHz continuous coverage

• Frequency counter accuracy: ±1 kHz across HF bands

• Capacitance range: 0 to 2950 pF (192 values)

• Inductance range: 0 to 17 µH (192 values)

• Power requirements: 12 - 15 volts DC • Current consumption: 850 mA or less

• Dimensions: 10.1 × 2.8 × 9.2 in (w × h × d) • Weight: Approx. 3.7 lb; 1.68 kg

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MFJ-994B

MFJ 994B IntelliTuner™ Automatic Antenna Tuners (MSRP $419.95) New Condition $295/bo

MFJ 994B IntelliTuner™ automatic antenna tuners let you rapidly tune any antenna automatically—unbalanced or single-wire (or balanced, with an external balun). They may be operated at a remote distance through a 9-pin to 9-pin computer cable using the MFJ remote control unit. MFJ's exclusive InstantRecall™, IntelliTune™, and AdaptiveSearch™ algorithms give you fast, automatic tuning with more than 20,000 non-volatile VirtualAntenna™ memories. There are four banks of memory, and 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 capabilities, 1.8 to 30 MHz coverage, cross-needle power meters, a port for an accessory remote control, a radio interface port, and heavy-duty 16 amp/1,000 V relays. They are rated at 600 watts PEP SSB and 600 watts CW. A maximum of 192 values of inductance and 192 values of capacitance are available. With the inductance switched between the input and output side, this provides a total of 73,728 L/C tuning combinations. The nominal tuning ranges are 0 to 17 microhenry and 0 to 2,950 pF. All MFJ IntelliTuners™ learn and remember. When you transmit, they automatically adjust for minimum SWR and remember the frequency and tuner settings, which are safely stored in non-volatile memory. The next time you operate on that frequency (or close to it) and antenna, these tuner settings are instantly restored and you're ready to operate in milliseconds. There are four banks of memory, which can learn and remember more than 2,500 frequencies and tuner settings per bank.

Features include:
* Automatically match antennas with impedance of 12 to 800 ohms
* Handle 600 watts PEP SSB/600 watts CW
* Tune in less than 15 seconds, usually less than 5 seconds
* Over 10,000 non-volatile memories for tuner settings
* Internal frequency counter memorizes frequency-specific matching values
* Highly efficient switching L-network matching circuit
* 1.8 to 30 MHz continuous frequency coverage
* Adjustable target SWR 1.5 to 2.0
* Adjustable SWR threshold 0.5, 1.0, or 1.5
* Lighted cross-needle SWR/wattmeter with high, low, and auto range options
* SO-239 coax fed antenna connector
* Connector for random wire or single wire antennas
* Optional remote control
* Optional radio interface for compatible radios
* Requires 12 V DC at less than 1 amp for operation

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MFJ-962

MFJ 962D Versa Tuner III Antenna Tuners (MSRP $399.95) New Condition $295.00/bo

MFJ 962D Versa Tuner III antenna tuners handle UP TO 800 Watts CW or PEP SSB output power. They're A perfect match for Ameritron's 800 Watt or 600 Watt amplifiers!

MFJ 962D Versa Tuner III Tuners are new and improved with features including MFJ's AirCore Roller Inductor, a new aluminum-skirted knob set including a weighted deluxe spinner knob, ultra-compact size, and a scratch-proof multi-colored Lexan front panel.

Two transmitting tuning capacitors and MFJ's exclusive AirCore roller inductor allow precise control to get your SWR down to minimum. You get a wide matching range on 1.8 through 30 MHz continuously, including MARS and WARC bands. MFJ's AirCore roller inductor has an air core that can't burn up. MFJ 962D tuners provide ultra high-Q, low loss and MFJ's exclusive Self-Resonance Killer that eliminates damaging self-resonances.

MFJ's lighted peak and average reading cross-needle SWR/Wattmeter makes tuning quick and easy (12 V DC or 110 V AC power source required). At one glance you can read SWR, forward and reflected power in two power ranges. A 6-position ceramic antenna switch lets you select 2 coax lines (direct or through tuner), random wire output or balanced lines. An MFJ True Current Balun is used for balanced lines. High-voltage ceramic feedthrough insulators transfer high power into balanced feedlines.

Manufacturer's Part Number: MFJ-962D

Antenna Tuner Type: Manual

Antenna Tuner Location: Desktop

Tuner Maximum Power Rating: 800 watts

Frequency Range: 1.8-30 MHz

Tuner Inductor Type: Roller

Tuner Capacitors: 2

Tuner Bypass Switch: Yes

Tuner Control Type: External

Internal Dummy Load: No

Internal Balun Type: Current

DC Power Required: Yes

Tuner Width: 10.750 in.

Tuner Height: 4.000 in.

Tuner Depth: 10.875 in.

Tuner Weight: 7.40 lbs

Notes:

Rated for 1500 W PEP SSB input to the amplifier finals, handles maximum amplifier output of 800 W 80-10 meters, 500 W 160 meters.

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LDG AT-1000ProII Automatic Antenna Tuners

Antenna Tuner, Automatic, Desktop, 1.8-54 MHz, HF 1,000 watts PEP, 750W CW, 400W Digital,

2,000 Memories, 2 Input, 12 VDC 1A (MSRP $599.95) New Condition $435/bo

LDG Electronics AT-1000ProII Automatic Antenna Tuners

LDG Electronics AT-1000ProII Automatic Antenna Tuners are simple to operate! LDG Electronics has refined and expanded their flagship 1 kW automatic antenna tuners. They've retained most of the features of the previous successful models, but now have even easier operation.

These tuners still offer two antenna inputs that are front panel selectable with 2,000 memories for each antenna. They store tuning parameters with virtually instantaneous memory recall whenever you transmit on or near a frequency you've used before. Just key-up and it tunes! AT-1000ProII tuners will operate at any power level between 5 and 1,000 Watts peak RF input.

AT-1000ProII tuners have large, easy-to-read LED bar-graph meters that display two selectable power ranges (100 and 1,000 watts), as well as SWR. An optional 4.5 in. analog meter, model M-1000, shows SWR and 100 or 1,000 Watt ranges of forward or reverse power, in peak or average modes. AT-1000ProII tuners will interface with many popular transceivers, enabling transceiver "TUNE" button control of AT-1000ProII operation. Dedicated control buttons allow you to fine-tune capacitance and inductance on those rare occasions when the AT-1000ProII can't find a perfect match by itself.

AT-1000ProII Automatic Antenna Tuners will tune from 1.8 to 54.0 MHz continuously, and will match an amazing range of antennas, from Yagi’s and dipoles to inverted-Vees and Slopers. Virtually any coax-fed antenna may be tuned, from 6 to 1,000 ohms impedance across HF, and from 16 to 150 ohms on 6 meters. Initial tuning time is usually under 10 seconds. If you're transmitting near a frequency with stored tuning parameters, it will set those parameters in under 200 milliseconds. The use of long-wires or antennas fed with ladder line will require an external balun, not included.

Note: For additional information, please look at the files under the "Documentation" tab.

For a versatile automatic antenna tuner that will handle some real power, remember these LDG Electronics AT-1000ProII Automatic Antenna Tuners from DX Engineering!

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MFJ-939Y3 – Yaesu Version

MFJ 939 Series Automatic Antenna Tuners (MSRP $299.95) New Condition $145/bo

Antenna Tuner, Intellituner, Plug & Play, Automatic, 200 watts, 1.8-30 MHz, for Yaesu (transceivers with FC-30 support)

MFJ 939 Series Automatic Antenna Tuners have been designed for today's home and portable Amateur Radio stations. With their small size, MFJ 939 Series compact auto-tuners complement many of today's compact HF transceivers. They may also be used as stand-alone automatic antenna tuners for any transceiver that has an output power of 2-200 watts SSB/CW from 1.8-30 MHz.

These tuners accept an antenna impedance of 6-1,600 ohms. MFJ 939 Series tuners give you fast, automatic tuning of unbalanced, coaxial-fed antennas. Use an optional 1:1or 4:1 external balun for balanced feed-lines.

Features include:

* Automatically matches antennas from 6 to 1,600 ohms impedance (SWR up to 32:1)
* Handles 200 watts SSB/CW
* Tunes in less than 15 seconds, usually less than 5 seconds
* Eight memory banks with over 2,500 memories per bank
* Over 20,000 non-volatile memories for tuner settings
* Highly efficient switching L-network matching circuit
* 1.8 to 30 MHz continuous frequency coverage
* Audio SWR warnings
* Built-in radio interface circuitry for compatible transceivers
* Green "Good SWR" LED
* SO-239 coax-fed antenna connector
* Requires 13.8 V DC (11.5-15 V) at 750 mA

Manufacturer's Part Number: MFJ-939Y

Antenna Tuner Type: Automatic

Antenna Tuner Location: Desktop

Mobile Whip Tuner: No

Tuner Maximum Power Rating: 200 watts

Frequency Range: 1.8-30 MHz

Tuner Inductor Type: Switched

Tuner Capacitors: Automatic

Tuner Bypass Switch: No

Tuner Control Type: External

DC Power Required: Yes

Tuner Width: 6.500 in.

Tuner Height: 2.875 in