Home Antenna Accessories Antenna Accessories Tuning & Matching Units (ATU's) MFJ-948 - 1.8-30MHz 300W Tnr w-o/DL
Tuning & Matching Units (ATU's)

MFJ-948 - 1.8-30MHz 300W Tnr w-o/DL


MFJ-948 - 1.8-30MHz 300W Tnr w-o/DL

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About MFJ-948 - 1.8-30MHz 300W Tnr w-o/DL

Full 1.8-30MHz Operation Custom designed inductor switch, 600 volt tuning capacitors, Teflon insulation washers and proper L/C ratio gives you arc-free no worries operation with up to 300 Watts 1.8 to 30 MHz. Tunes any Antenna Tunes out SWR on dipoles, verticals, inverted vees, random wires, beams, mobile whips, shortwave receiving antennas.... Nearly anything! Use coax, random wire or balanced lines. Has heavy duty 4:1 balun. Custom Inductor Switch The inductor switch is the most likely component to burn up in any antenna tuner. MFJs inductor switch in the MFJ-948 was custom designed to withstand the extremely high RF voltages and currents that are developed in your tuner. 8 Position Super Antenna Switch Lets you select two coax fed antennas, random wire/balanced line or external dummy load (not included) through your MFJ-948 or direct to your transceiver. Full Size Lighted Cross Needle Meter Has MFJs full size 3 inch lighted Cross Needle Meter (not a puny "meter" you cant read). Lets you easily read SWR, true peak forward and average reflected power simultaneously on 300 Watt or 30 Watt ranges. Lamp has on/off switch, requires 12 VDC or 110 VAC with MFJ-1312D. Plus much more! Scratch-proof Lexan multi-colored front panel, superior cabinet and construction and more

Key Features/Specifications:

  • Type: MFJ-948 manual tuner
  • Frequency: 1.8-30MHz 
  • Power: 300 Watts
  • Meter: Cross needle
  • Size: 260 X 190 X 83mm 
  • Weight: 1.65kg 
  • VSWR & power meter 30/300W 
  • Inductor selector
  • Sockets SO239 
  • Terminals for wire and balanced lines 
  • Antenna by pass switch 
  • Tuning and reactance controls 
  • 3 Way selector 


We aim to dispatch all parcels within 24hrs. We are normally able to dispatch parcels SAME DAY where orders are received before 2.00pm Monday to Friday.


Whilst we try our best to ship same day, we cannot guarantee delivery time. You will however receive tracking details as soon as your order has been processed.


Please note that we do not process orders over the weekend, so orders placed after 2pm on Friday will not ship until Monday.


Please allow an extra processing day for international orders to enable us to complete export/import custom clearance declarations.

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