MeloManiac Posted November 13, 2020 Share Posted November 13, 2020 Perhaps this is something I can brag about?! After I cleaned my recently acquired Harman Kardon 430 twin powered amplifier, especially after applying deoxit, I noticed improvement in the sound quality: it lost a bit of its 'warmth' and came closer to 'neutral' representation of the recording. I also noticed impressive bass improvement, something the H/K430 has a reputation for. So today I thought I would do some measurements. I used the app Spectroid on my Huawei smartphone. I know, no scientific tool, but I think it is pretty accurate. I used Massive Attack's Unfinished Sympathy, a song that starts with some really low bass notes (which re-appear again later in the song). Spectroid works in realtime, so I took a screenshot of the first couple of seconds. And loo and behold, the lowest frequency measured is something like 29Hz, which is much lower than the offical specs of the Heresies! 1 Quote Link to comment Share on other sites More sharing options...
wuzzzer Posted November 13, 2020 Share Posted November 13, 2020 They'll play low frequencies like that, just not as loud as frequencies higher up the spectrum. Quote Link to comment Share on other sites More sharing options...
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