Hi all,
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I have an unbuilt 50-watt amp kit and I'm trying to figure out how to best build it. I just completed a 5-band (40-15 meters) homebrew rig (it's not a QMX, but it works!). I'd like to use the amp on multiple bands for this radio (and possibly a QMX). I am thinking of just building the amp for the highest band I need and adding a switchable external low-pass filter.
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But I had a question: obviously the output of the amp won't be as large on higher bands. However, if I build the amp for 15 meters and transmit on say 40 meters (with a 40 meter external low-pass filter) should I still similar output as I would get if I built the amp for 40 meters, or would there be a significant sacrifice running though the 15 meter filter first? I'm sure some of you have experience trying this out. Thank you!
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72, Sam WN5C
