MFJ-914 Auto Tuner Extender
SKU Part Number: MFJ-914
MFJ-914 Auto Tuner ExtenderDoes your HF rig's automatic tuner have limited matching range? MFJ's AutoTuner Extender transforms your antenna impedance...
Read More
£145.00 £120.83
Availability: In stock

Seen this product cheaper elsewhere?

Call 0345 2300 599
MFJ-914 Auto Tuner Extender

Does your HF rig's automatic tuner have limited matching range? MFJ's AutoTuner Extender transforms your antenna impedance up or down as much as 10 times! Puts nearly any antenna into the range of your automatic tuner. Extends range of manual antenna tuners also. Use with any transceiver 160 through 10 Meters with up to 300 Watts. On/Off, Bypass positions. MFJ-914 was carefully designed for flattest frequency response and lowest loss.
MFJ's Auto Tuner Extender transforms your antenna impedance - up or down - by as much as ten times! Nearly any antenna is put in the matching range of your automatic tuner.

Use with any transceiver from 160 through 10 metres with up to 300 watts. The MFJ-914 connects in-line between your transmitter and antenna. Connect your transmitters antenna output to the SO-239 connector labeled 'Transmitter', and your antenna to the 'Antenna' connector. For maximum protection of your transceiver, a 50-ohm dummy load should be connected to the plug labeled 'Dummy Load' and the 'Ground' stud connected to a good RF ground.


We have several shipping options for our products, including next-day and Saturday/Sunday delivery for certain items. Please see these options at checkout.


If you have any equipment that needs to be returned to Martin Lynch & Sons, please fill out the form below:

Click here for returns form

Upon receipt of goods you have 14 days to return goods however the goods must be returned in original packaging and care must have been taken with the goods you wish to return. Under distance selling regulations you are not entitled to any refund on carriage charges or modification charges made at your request. Large items cannot be returned if they have been assembled, unless faulty.

Warranty Terms and Conditions

Outside of the 14 faulty return period, returned items cannot be accepted, unless covered by manufacturer's warranty. We will repair as much as possible on site however in exceptional circumstances products may have to be returned to the manufacturer of distributor.

For repairs/replacements under manufacturer’s warranty for any item please download a ML&S return form from the link above and return to ML&S with the faulty product.

International Warranty information

Warranty service for items we sell is available in the U.K. only, unless otherwise noted. It is your responsibility to pay freight for returned items to the U.K. and back to you for desired warranty coverage. All of our NEW products come with a minimum 12 month warranty, (Yaesu & Icom 24 months), with up to 90 days on second-hand equipment. Items returned for service must state "returned goods for repair" on the return air waybill or U.K. import customs duties apply and will be added to your invoice. For more info about returning items please contact our customer help desk, [email protected]