PSA: Your (new) radio’s filters may be wider than you think
by 13dka from The SWLing Post on (#6ATQP)
AM bandwidth confusion: IF Filters today vs. yesterday by 13dka Whether or not a radio is a joy to listen to, or apt for difficult DX is decided to a large part by the last IF filter stage. Most radios of the past didn't come with many IF filters to begin with, their quality varied [...]