Return-Path: X-Spam-DCC: paranoid 1169; Body=3 Fuz1=3 Fuz2=3 X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on lipkowski.org X-Spam-Level: X-Spam-Status: No, score=-2.3 required=5.0 tests=BAYES_00,RCVD_ILLEGAL_IP 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 s67CHutB032628 for ; Mon, 7 Jul 2014 14:17:58 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1X47oB-0001Ev-BK for rs_out_1@blacksheep.org; Mon, 07 Jul 2014 13:14:11 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1X47oA-0001Em-HV for rsgb_lf_group@blacksheep.org; Mon, 07 Jul 2014 13:14:10 +0100 Received: from mout.gmx.net ([212.227.15.18]) by relay1.thorcom.net with esmtp (Exim 4.82) (envelope-from ) id 1X47o8-0008RQ-Pk for rsgb_lf_group@blacksheep.org; Mon, 07 Jul 2014 13:14:09 +0100 Received: from localhost ([2.206.3.152]) by mail.gmx.com (mrgmx003) with ESMTPSA (Nemesis) id 0LbdE3-1WJXSC2kGZ-00lHOl for ; Mon, 07 Jul 2014 14:14:06 +0200 Date: Mon, 07 Jul 2014 14:22:00 +0200 Message-ID: From: "C. Groeger" To: rsgb_lf_group@blacksheep.org MIME-Version: 1.0 X-Provags-ID: V03:K0:uWZzKotks/bHY1IrBIedRA9QBYz/xsp8xeKaSUjkZYTp2+g1nGP Q2B+tknXk7G5X1T487LxQ0GcrDkhy+z/CDfS3dTfdTTQA72fK/q+YDPUAPj8hBSuujp5AC8 DbgFXukszw51CY14ZFxrJ2mZ+D/6ktj0D8xR9UJ3UYE43IvN2SqvNcrPv+m0e9tZBKlaH6z Xn65amfp2STtZEfbGnJCQ== X-Scan-Signature: 59677119386dcf9f1872cb454dc1331d Subject: Re: LF: Pure off-topic: old tubes Content-Type: text/plain; charset=utf-8 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 Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by paranoid.lipkowski.org id s67CHutB032628 Status: O X-Status: X-Keywords: X-UID: 23 Hi petr! You may ask Eddi, dj6ux. He has a lot of literature about tubes. You can contact him every afternoon on 7037 kcs. 73 Christian Groeger Petr Maly schrieb: >Hello all >I apology for the off-topic. However I know that this group is attended by very experienced gents, mainly from the UK. >I found these two tubes in the junk, see the attachment. I spent quite a while to search the whole Internet for some specs, in vain. >They are very similar to QB3/300, or TESLA’s RE125, same size, same socket. The only visible difference is the shape and material of the anode. >I think the number 55 in the designation could possibly be the anode dissipation. >The labels are: >STC 4B/55 >ITT 4B/55/B >By some lucky chance does anybody have any information about them? >Thanks, 73, Petr, OK1FIG