Quote:
Originally Posted by maxhifi
I think the problem has to do with frequency response. AM can have decent frequency response up to 10,000 Hz, but modern receivers roll it off at 5,000 and even lower.
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I've modified receivers and radios to have wider IF filters and thus better frequency response, to capture the 10KHz audio.
See
http://pw2.netcom.com/~wa2ise/radios...tml#solidstate
where I change out the narrow ceramic IF filters with LC circuits or a wider ceramic filter (usually found in narrowband FM transcievers).