[Amps] FT8 power with the KPA1500

Jim Brown jim at audiosystemsgroup.com
Wed Jul 7 19:47:35 EDT 2021


On 7/7/2021 2:56 PM, Artek Manuals wrote:
> The  rule of thumb is keep it cool I run mine at 1500W (1250 on 6M) on 
> FT8 for 5 min. at a time if necessary ( typically for a new band/country).

For short periods, probably OK. But the KPA1500 has the lowest 
efficiency on 6M, which can significantly increase dissipation. I 
certainly wouldn't run long MSK144 or Q65 sessions on 6M  hotter than 1kW.

73, Jim K9YC


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