Return-Path: Received: from rly-mg06.mx.aol.com (rly-mg06.mail.aol.com [172.20.83.112]) by air-mg10.mail.aol.com (v120.9) with ESMTP id MAILINMG103-a1c472dd1ad5b; Sun, 04 Nov 2007 09:05:36 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by rly-mg06.mx.aol.com (v120.9) with ESMTP id MAILRELAYINMG066-a1c472dd1ad5b; Sun, 04 Nov 2007 09:05:35 -0400 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Iog6N-00006b-6m for rs_out_1@blacksheep.org; Sun, 04 Nov 2007 14:05:23 +0000 Received: from [83.244.159.144] (helo=relay3.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Iog6M-00006S-BP for rsgb_lf_group@blacksheep.org; Sun, 04 Nov 2007 14:05:22 +0000 Received: from elasmtp-galgo.atl.sa.earthlink.net ([209.86.89.61]) by relay3.thorcom.net with esmtp (Exim 4.63) (envelope-from ) id 1Iog6J-0001wy-63 for rsgb_lf_group@blacksheep.org; Sun, 04 Nov 2007 14:05:22 +0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=Pd3waIXF7mFboaXGLmbdAQ4cDe131byqsE2fVrfl/Dj1SAnYAZDVyhXgcsYOHEIf; h=Received:Reply-To:From:To:Subject:Date:Message-ID:MIME-Version:Content-Type:Content-Transfer-Encoding:X-Priority:X-MSMail-Priority:X-Mailer:Importance:In-Reply-To:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [65.41.23.54] (helo=kd4wov7) by elasmtp-galgo.atl.sa.earthlink.net with asmtp (Exim 4.34) id 1Iog6C-00008m-FR for rsgb_lf_group@blacksheep.org; Sun, 04 Nov 2007 09:05:12 -0500 From: "kd4wov" To: Date: Sun, 4 Nov 2007 09:05:03 -0500 Message-ID: MIME-Version: 1.0 X-Priority: 3 (Normal) X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook IMO, Build 9.0.2416 (9.0.2910.0) Importance: Normal In-Reply-To: <472DCF27.5020708@att.net> X-MimeOLE: Produced By Microsoft MimeOLE V5.00.2919.6600 X-ELNK-Trace: 9f1dd59866ac920e94f5150ab1c16ac01a238acc8405a5b01010ba3742ec22bac281d236a16b6740350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 65.41.23.54 DomainKey-Status: good (testing) X-Spam-Score: 0.0 (/) X-Spam-Report: autolearn=disabled,none Subject: RE: LF: CLASS D and E Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 8bit X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on post.thorcom.com X-Spam-Level: X-Spam-Status: No, hits=0.0 required=5.0 tests=none 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-IP: 193.82.116.20 X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_helo : X-AOL-SCOLL-AUTHENTICATION: listenair ; SPF_822_from : Wow, where is the best place to get info on the D and E class amps? -----Original Message----- From: owner-rsgb_lf_group@blacksheep.org [mailto:owner-rsgb_lf_group@blacksheep.org]On Behalf Of Dexter McIntyre W4DEX Sent: Sunday, November 04, 2007 08:55 To: rsgb_lf_group@blacksheep.org Subject: Re: LF: CLASS D and E 86% efficiency at 400 watts out with GØMRF amp and MØBMU mod is what I get. W4DEX, WD2XKO hamilton mal wrote: > Hi all > Class D and E amplifiers are supposed to give around 80/90 % efficiency. Has > anyone actually achieved these figures. It seems anything above 60% is hard > to arrive at using normal coils/capacitors. > > 73 de Mal/G3KEV > > >