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I think your 480 even has a built in EQ for receive audio, pretty sure it is covering a wide range of frequency.

 I can hear the difference of the ESSB even on my Swan 700CX and they sound great on the FT-102 or the TS 830,


I am sure those rigs will need to get modified to fully appreciate ALL the bandwidth the essb cover with the frequencies but alas with the wide bandwidth the essb requires not everyone is happy