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21. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: "Jerry Kaidor" <jerry@tr2.com>; Date: Fri, 22 Jun 2012 09:02:38 -0700 (PDT); ** I have been fairly fussy about quiet ever since I started to suffer with Tinnitus ( ringing in the ears ). Loud noises - or even medium noises over periods of time - exacerbate the condition. A f; /archives//html/Amps/2012-06/msg00374.html (19,503 bytes)
22. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 22 Jun 2012 09:17:46 -0700; I have always used cans for any serious operation with CW or SSB, but will often run on the speaker for digital modes and casual rag chews. 73, Jim K9YC ______________________________________________; /archives//html/Amps/2012-06/msg00375.html (8,723 bytes)
23. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: "Jerry Kaidor" <jerry@tr2.com>; Date: Fri, 22 Jun 2012 21:36:44 -0700 (PDT); Hi, I found a spare moment today and couldn't resist. I popped open the hood of the Alpha and cut three squares of the "Dynamat Extreme" that I had left over from my car soundproofing project. I stuc; /archives//html/Amps/2012-06/msg00377.html (9,600 bytes)
24. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: Alek Petkovic <vk6apk@bigpond.com>; Date: Sat, 23 Jun 2012 11:23:47 +0800; The Alpha is obviously male. None of that stuff would have made any difference if it wasn't. 73, Alek, VK6APK _______________________________________________ Amps mailing list Amps@contesting.com htt; /archives//html/Amps/2012-06/msg00378.html (9,203 bytes)
25. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: "Jim W7RY" <jimw7ry@gmail.com>; Date: Fri, 22 Jun 2012 21:19:26 -0700; Felt works great for soundproofing. Remember the thick felt typewriter pads? A square under each foot does wonders to keep the sound from transferring to your desk/operating table. 73 Jim W7RY Hi, I; /archives//html/Amps/2012-06/msg00379.html (10,513 bytes)
26. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: Jim Barber <audioguy@q.com>; Date: Fri, 22 Jun 2012 21:35:51 -0700; Good results. Assuming the blower is running in balance, freshening the rubber baby buggy bumpers it mounts on might help some more with the vibration. Turbulence is tougher. Apple has been working o; /archives//html/Amps/2012-06/msg00380.html (10,542 bytes)
27. Re: [Amps] Acoustic Noise Comparison (score: 1): Author: Jim Brown <jim@audiosystemsgroup.com>; Date: Fri, 22 Jun 2012 21:44:37 -0700; In that application it is acting as vibration isolation -- that is, its softness minimizes the VIBRATION coupled to the desk below. If you put a thick felt under the entire typewriter (rather than on; /archives//html/Amps/2012-06/msg00381.html (9,445 bytes)

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