Return-Path: X-Spam-DCC: paranoid 1102; Body=2 Fuz1=2 Fuz2=2 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=BAYES_00,DNS_FROM_AHBL_RHSBL, FORGED_RCVD_HELO,SUBJ_RE_NUM autolearn=no version=3.1.3 Received: from post.thorcom.com (post.thorcom.com [195.171.43.25]) by paranoid.lipkowski.org (8.13.7/8.13.7) with ESMTP id tAHIGUv7031238 for ; Tue, 17 Nov 2015 19:16:30 +0100 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1Zykkx-0001aE-VJ for rs_out_1@blacksheep.org; Tue, 17 Nov 2015 18:13:27 +0000 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1Zykkx-0001a0-HT for rsgb_lf_group@blacksheep.org; Tue, 17 Nov 2015 18:13:27 +0000 Received: from smarthost01b.mail.zen.net.uk ([212.23.1.3]) by relay1.thorcom.net with esmtp (Exim 4.86) (envelope-from ) id 1Zykjr-00080p-8c for rsgb_lf_group@blacksheep.org; Tue, 17 Nov 2015 18:13:26 +0000 Received: from [82.70.254.222] (helo=OfficeWin7.lan) by smarthost01b.mail.zen.net.uk with esmtp (Exim 4.80) (envelope-from ) id 1Zykjb-0005Ip-Fx for rsgb_lf_group@blacksheep.org; Tue, 17 Nov 2015 18:12:03 +0000 Date: Tue, 17 Nov 2015 18:12:03 +0000 From: Chris Wilson Organization: Gatesgarth Developments X-Priority: 3 (Normal) Message-ID: <1744414414.20151117181203@chriswilson.tv> To: Szigy In-Reply-To: <29180@WA7V> References: your message of Sat, 14 Nov 2015 19:06:26 +0000. <4510637253.20151114190626@chriswilson.tv> <29180@WA7V> MIME-Version: 1.0 X-Originating-smarthost01b-IP: [82.70.254.222] X-Scan-Signature: c1f72e5acb1277e013f90c915ad7ad68 Subject: Re[2]: LF: Valve LF amps and tank coil size / voltage rating? Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 8bit 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-Scanned-By: MIMEDefang 2.56 on 10.1.3.10 Status: O X-Status: X-Keywords: X-UID: 5123 Hello Szigy, Saturday, November 14, 2015 OK, will look this out, thanks for the info Szigy, have you any info on your own amp on the internet, would love to see it! All the best and thanks again. > ÿþÿþFrom: YO2IS > Hi Chris, you have to look in the G3LDO's book, > 'The LF Experimenter's handbook', pag.45, there is > a fine description of a tube PA by GW4ALG, using in PP > the feritte core with 58mm OD, material 3C85. > Inspired by this article have built myself a 2xGU13 > (813) PA, 2000V x 0.4A, class C, it works ok in LF or MF ! > 73 & DX, Szigy. -- Best regards, Chris 2E0ILY mailto:chris@chriswilson.tv