From: punk.book8853@fastmail.com   
      
   On 2025-09-01, John Williamson  wrote:   
   > On 01/09/2025 18:12, Jimmy Logan wrote:   
   >> Hi, I think I have a similar "problem", trying to trace down some   
   >> low freq noise and was also looking at Zoom F3,   
   >> but I'd also need a microphone and don't know what to choose.. ,   
   >> so I did not buy it, but would be very interested   
   >> if someone can recommend a setup which is more suitable   
   >> for such a task - recording low freq noise - like 20Hz - 150Hz -   
   >> than a phone/headset mic :)   
   >> I tried to record / listen to rule out tinnitus and/or me going crazy :)   
   >> but did not hear it in the recording, just background noise,   
   >> so its either the phone is not good for it, or its "just" a phantom   
   >> sound.   
   >>   
   > I have a Zoom H2 which gave a decent rendition of the 64 foot pipes on   
   > the Grande Orgue at Rouen cathedral using its internal microphones.   
   >   
   > My problem wasn't with the recording, it was with finding a speaker that   
   > could reproduce it. That may also be your problem, though phones do have   
   > some 'orribke filtering when recording audio, and the analogue parts are   
   > heavily optimised for understandable speech. Almost as bad as what they   
   > do to videos and images.   
      
   Thanks for the idea, I'll double check the headphone specs; I   
   thought speakers - as they are designed to play bass - should be more   
   capable of playing LF sound than mics recording it. I've just started to   
   learn more about sound / in depth, 2 weeks ago I had no idea about what   
   is a standing wave / antinode and these stuff, for example :)   
      
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