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  1. Has anyone built the 10 watt PA kit and used it with the QMX?

    Feb 26, 2025 · From my experience the 10W linear is not flat gain over the full HF bands so programable or frequency contoured attenuation might still be needed and that might need a …

  2. QMX multi-band transceiver kit - QRP Labs

    May 19, 2023 · QMX Rev 4 PCBs don't need the PTT mod; note that there is a silkscreen error, there's a "Rev 3" printed under the 2.1mm power jack so please look at the area near the BNC …

  3. Backpacking with the QMX, a Pocket and a Pole

    Jun 14, 2024 · The current draw of the QMX (12V version) is a modest 80mA on receive and 700mA on transmit, so even a very small battery would be sufficient to power it for a long time.

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  4. QMX – High band version – kit built - Bob Easton

    Aug 2, 2024 · As much as people praise the TR-45L for excellent audio, I enjoy the QMX audio more. It seems to have a better SNR than the TR-45L, and recent filter updates have let me …

  5. Which version of QMX did you get? Why? - reflector.sota.org.uk

    Oct 3, 2024 · So the QMX 60-15 is almost ideal for my needs and requirements for a slightly lighter CW transceiver than the Elecraft KX2/3 for portable radio. So far, this QMX has met all …

  6. Review: QRP-Labs QMX > Ham Radios > AR15.COM

    Dec 30, 2023 · From what I gather standard 13.8-14.3 volts will take out the BS120 finals. They can be built for either 9 volt base supply or 12 volt. I choose 12 volt and planned on running it …

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  7. The GigRig Support: FAQs, Manuals & Help for Guitarists

    How do I power my QMX? TheGigRig QuarterMaster uses a standard 2.1mm Center Neg 9V DC power supply and you need to allow for 40mA per loop. For example if you have a 2 loop QMX …

  8. QRP-Labs QMX+ Build – N8PIC

    Nov 11, 2024 · I used a small clamp in a vice to hold one end, and another clamp to hold my end. Keeping a bit of tension allowed for an even winding without the need for a power drill. It takes …

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  9. QRP LABS QMX ASSEMBLY MANUAL Pdf Download | ManualsLib

    A 9V QMX produces 5 W power output from a supply voltage of 9V or a little over. At 12V, a QMX built for 9V could be producing 8 W power output which is likely to cause over-heating and …

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  10. QMX – From Kit to Field! - Q R P e r

    Mar 1, 2024 · The level of integration in the QMX as a multi-band, multi-mode unit is probably the highest yet to come out of QRP Labs. The components that were merely small in earlier radios …