Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.1 Fluke 8/7/84; site fluke.UUCP Path: utzoo!watmath!clyde!burl!ulysses!mhuxl!houxm!houxz!vax135!cornell!uw-beaver!microsoft!fluke!rzdz From: rzdz@fluke.UUCP (Rick Chinn) Newsgroups: net.audio Subject: Re: Re: Balanced Lines & Shielding - (nf) Message-ID: <355@tpvax.fluke.UUCP> Date: Thu, 23-Aug-84 02:59:28 EDT Article-I.D.: tpvax.355 Posted: Thu Aug 23 02:59:28 1984 Date-Received: Sun, 19-Aug-84 01:47:40 EDT References: <1692@inmet.UUCP> Organization: John Fluke Mfg. Co., Everett, WA Lines: 27 Ok...Ok...Now you've done it...I gotta speak. First...It's very common practice nowdays for "balanced" inputs on sound equipment to be floating. It's very uncommon for center-taps on input transformers to be grounded, let alone exist. I think that I can say this with 99% certainty for the equipment being sold today that still uses input transformers. Second...Don't you dare use an ohmeter on your input transformers. The DC used for the ohms current source will almost certainly magnetize your transformer's core, ruining it for anything musical. Once this happens, you might as well add it to your collection of audio transformers being saved for your boat anchor. Rick Chinn John Fluke Mfg. Co MS 232E PO Box C9090 Everett WA 98206 ihnp4!uw-beaver----\ decvax!microsof \ ucbvax!lbl-csam \ +====!fluke!rzdz sun / sb1!allegra / ssc-vax------------/ (206) 356-5232