Return-Path: Received: from mtain-dd05.r1000.mx.aol.com (mtain-dd05.r1000.mx.aol.com [172.29.64.145]) by air-da07.mail.aol.com (v129.4) with ESMTP id MAILINDA071-85e94c025acae5; Sun, 30 May 2010 08:32:10 -0400 Received: from post.thorcom.com (post.thorcom.com [193.82.116.20]) by mtain-dd05.r1000.mx.aol.com (Internet Inbound) with ESMTP id 5B0D6380000B7; Sun, 30 May 2010 08:32:09 -0400 (EDT) Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1OIhfQ-000271-T0 for rs_out_1@blacksheep.org; Sun, 30 May 2010 13:31:00 +0100 Received: from [193.82.116.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1OIhfQ-00026s-Hc for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 13:31:00 +0100 Received: from outbound-jn.vgs.untd.com ([64.136.55.20]) by relay1.thorcom.net with smtp (Exim 4.63) (envelope-from ) id 1OIhfN-0004aM-F4 for rsgb_lf_group@blacksheep.org; Sun, 30 May 2010 13:31:00 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=juno.com; s=alpha; t=1275222648; bh=47DEQpj8HBSa+/TImW+5JCeuQeRkm5NMpJWZG3hSuFU=; l=0; h=To:Date:Subject:Message-ID:Content-Type:From; b=Ba+djtBkEfk3VrWvCt00Jyuks7/jLznlj/0hDlF7E7Z3cb7aGbmHZOI1KUUOkMxzj WKnIrfg7iebRJltpwPbkRrCPgsVTwNknbxmLiS+omuVOAdz3ZMGsz0Tp3ju3w7/OpX TiQbQ5yupfmWLevFYzYC5K5DTBHBDzGbF2BWntdU= X-UOL-TAGLINE: true Received: from outbound-jn.vgs.untd.com (localhost [127.0.0.1]) by m03.vgs.untd.com with SMTP id AABGAEYUTAXAAKYJ for (sender ); Sun, 30 May 2010 05:30:09 -0700 (PDT) X-UNTD-OriginStamp: yokUgcxCbtTP7XLrpefewEDPvnB18FNJ3CB8rixA7kuL/ETF+47iVQ== Received: (from riese-k3djc@juno.com) by m03.vgs.untd.com (jqueuemail) id QE693ZBY; Sun, 30 May 2010 05:29:37 PDT To: rsgb_lf_group@blacksheep.org Date: Sun, 30 May 2010 08:18:42 -0400 Message-ID: <20100530.082855.1608.1.riese-k3djc@juno.com> X-Mailer: Juno 5.0.49 MIME-Version: 1.0 X-Juno-Line-Breaks: 0-5,7-29 From: riese-k3djc@juno.com X-UNTD-BodySize: 985 X-ContentStamp: 10:5:1459200813 X-MAIL-INFO:2d6f7b3b1aef1e7efe9faa63a39fdadf X-UNTD-Peer-Info: 127.0.0.1|localhost|outbound-jn.vgs.untd.com|riese-k3djc@juno.com X-Spam-Score: 0.6 (/) X-Spam-Report: autolearn=disabled,NO_REAL_NAME=0.55,UNPARSEABLE_RELAY=0.001 Subject: Re: LF: 8.97kc - TV transformer info needed Content-Type: text/plain; charset=us-ascii 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-SCOLL-AUTHENTICATION: mail_rly_antispam_dkim-m268.2 ; domain : juno.com DKIM : pass x-aol-sid: 3039ac1d40914c025ac96c56 X-AOL-IP: 193.82.116.20 I need to look around for an old tube TV for the same thing Just wondered how well a neon sign transformer would work. back in the days I used a pair of HV transformers back to back as a modulation transformer which appeared to work as well as one designed for that. so it passed good audio up to 3Khz at least I also use a standard transformer in a LF converter which works well up to 200 Khz or so. The point being would an iron core transformer work in low power tests at elf ? Bob K3DJC On Sat, 29 May 2010 21:48:48 -0500 "Mike.WE0H" writes: > Found my Zenith black & white TV chassis tonight. Got a flyback > transformer that looks like Litz wound with bees wax for potting > compound. No diodes, lots of room for the primary winding that I > need to > wind yet. Should be good to go now for some 8kc experiments. > > Thank you everyone for the advice on the transformers today. Now I > have > the correct one on my bench. > > Mike > WE0H > > > ____________________________________________________________ Get Free Email with Video Mail & Video Chat! http://www.juno.com/freeemail?refcd=JUTAGOUT1FREM0210