Return-Path: <owner-rsgb_lf_group@blacksheep.org> Received: from mtain-md05.r1000.mx.aol.com (mtain-md05.r1000.mx.aol.com [172.29.96.89]) by air-di02.mail.aol.com (v129.4) with ESMTP id MAILINDI023-eabc4d0aa8523d7; Thu, 16 Dec 2010 19:01:22 -0500 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by mtain-md05.r1000.mx.aol.com (Internet Inbound) with ESMTP id E52F2380000E7; Thu, 16 Dec 2010 19:01:20 -0500 (EST) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1PTNkG-0003gB-Vy for rs_out_1@blacksheep.org; Fri, 17 Dec 2010 00:00:24 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1PTNkG-0003g2-I9 for rsgb_lf_group@blacksheep.org; Fri, 17 Dec 2010 00:00:24 +0000 Received: from qmta01.emeryville.ca.mail.comcast.net ([76.96.30.16]) by relay1.thorcom.net with esmtp (Exim 4.63) (envelope-from <jrusgrove@comcast.net>) id 1PTNkE-0000vW-E9 for rsgb_lf_group@blacksheep.org; Fri, 17 Dec 2010 00:00:24 +0000 Received: from omta06.emeryville.ca.mail.comcast.net ([76.96.30.51]) by qmta01.emeryville.ca.mail.comcast.net with comcast id jp161f00216AWCUA100Ex9; Fri, 17 Dec 2010 00:00:14 +0000 Received: from JAYDELL ([76.23.233.102]) by omta06.emeryville.ca.mail.comcast.net with comcast id k00C1f00D2DDHkk8S00CZB; Fri, 17 Dec 2010 00:00:13 +0000 Message-ID: <000e01cb9d7d$61366a20$8d01a8c0@JAYDELL> From: <jrusgrove@comcast.net> To: <rsgb_lf_group@blacksheep.org> References: <FDCC39D43D974DED978401025DB874DF@lindavideo><AANLkTikWex1pGTvAmhyPidAHh-LbQ_XrUxHtdV=Q0Tnn@mail.gmail.com><F97BEB3D03B443448AD64A730E9CB7AB@JimPC><AANLkTi=uaStRJGHXdAFz=eFBr-S4ommOhR+oTdT2R3Ot@mail.gmail.com> <AANLkTinBWmGAG3gSv2ZOjQEVG+M+EqD9RK+_ePVyLP=v@mail.gmail.com> <777992D581AA4E399712DC695BA65A16@JimPC> Date: Thu, 16 Dec 2010 19:00:12 -0500 MIME-Version: 1.0 X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55 Subject: Re: LF: Sound Card mic Impedance Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.3 required=5.0 tests=NO_REAL_NAME autolearn=no version=2.63 X-SA-Exim-Scanned: Yes Sender: owner-rsgb_lf_group@blacksheep.org Precedence: bulk Reply-To: rsgb_lf_group@blacksheep.org X-Listname: rsgb_lf_group X-SA-Exim-Rcpt-To: rs_out_1@blacksheep.org X-SA-Exim-Scanned: No; SAEximRunCond expanded to false x-aol-global-disposition: G x-aol-sid: 3039ac1d60594d0aa8504197 X-AOL-IP: 195.171.43.25 X-AOL-SPF: domain : blacksheep.org SPF : none > Apparently one advantage of doubly terminated filters is that they are less sensitive to component > tolerances than an equivalent singly-terminated filter - but in many cases the practical > difference is not that significant. Another advantage is significantly improved transient response ... although not much of a consideration in this application. Jay W1VD WD2XNS WE2XGR/2