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Bed time listening in a quiet room is when the hum really drives me nuts. Any of my AA5s sound great during the day but unless it has an additional stage of power supply filtering, like some of the early 60s AM/FM sets do, hum is clearly obvious at night when volume is way down low and the house is silent. For this reason some of my favourite AA5 radios are the little cheap Japanese ones with a 3" speaker.. It just can't reproduce any hum due to high resonant frequency of the speaker.
How does it sound during the day time with the volume turned up a little?
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08-16-2017, 02:13 AM
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