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1. LF: Re: Help needed, mechanical filters (score: 1): Author: "James Moritz" <[email protected]>; Date: Sat, 30 Jun 2012 09:14:41 +0100; Dear Stefan, LF Group, The mechanical filter consists of an array of metal disks or rods that are mechanically resonant near the centre frequency of the filter. In order to convert the electrical inp; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00394.html (13,470 bytes)
2. Re: LF: Re: Help needed, mechanical filters (score: 1): Author: "James Moritz" <[email protected]>; Date: Sat, 30 Jun 2012 14:34:42 +0100; Dear Stefan, LF Group, So, is a microphone effect possible? I suppose it is possible, but I don't think there are many intense accoustic sources of 473kHz, and in any case the filter assembly would h; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00527.html (13,633 bytes)
3. Re: LF: Re: Help needed, mechanical filters (score: 1): Author: Stefan Schäfer <[email protected]>; Date: Sat, 30 Jun 2012 14:25:26 +0200; Hi Jim, Thanks for your comments. Am 30.06.2012 10:14, schrieb James Moritz: Dear Stefan, LF Group, The mechanical filter consists of an array of metal disks or rods that are mechanically resonant ne; /rsgb_lf_group-archives/html/rsgb_lf_group/2012-06/msg00582.html (13,782 bytes)

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