I have tried many sets of BS170, TN0110 and now one set of the FDT86256. The TN0110 works the best for me on all bands. I have never blown up a set of TN0110 and I get the best power out across the bands with them. I have not tried 6 volt supply. maybe I will some time.
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I currently have a second ACT08 stacked on top of the original. I noticed better output on 6 meters when I did that but YMMV.?
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One thing that bothers me is that some people post that they are getting 5 watts out across all of the bands. I have never managed anything like that. On 80 meters sure. But upwards from there no. I use a Boonton 92BD RF voltmeter with the DBM option and a 10 watt 20db attenuator. I have a Boonton calibrator and I trust the measurements I get. I have a low band and a high band QDX which, power wise, are consistent with my QMX+. I would really like to know how people manage to get full power out on the upper bands.
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Tony
AD0VC
