Return-Path: X-Spam-DCC: paranoid 1169; 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=-2.5 required=5.0 tests=BAYES_00,FORGED_RCVD_HELO autolearn=unavailable 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 s68DsthQ006882 for ; Tue, 8 Jul 2014 15:54:55 +0200 Received: from majordom by post.thorcom.com with local (Exim 4.14) id 1X4VnG-0007vt-N9 for rs_out_1@blacksheep.org; Tue, 08 Jul 2014 14:50:50 +0100 Received: from [195.171.43.32] (helo=relay1.thorcom.net) by post.thorcom.com with esmtp (Exim 4.14) id 1X4VnB-0007vk-No for rsgb_lf_group@blacksheep.org; Tue, 08 Jul 2014 14:50:45 +0100 Received: from mail.foreach.it ([195.88.7.228] helo=for04.foreach.it) by relay1.thorcom.net with esmtp (Exim 4.82) (envelope-from ) id 1X4Vn9-0004YZ-Sv for rsgb_lf_group@blacksheep.org; Tue, 08 Jul 2014 14:50:44 +0100 Received: from localhost (localhost [127.0.0.1]) by for04.foreach.it (Postfix) with ESMTP id 1B96243F for ; Tue, 8 Jul 2014 15:50:43 +0200 (CEST) X-Virus-Scanned: Debian amavisd-new at for04.foreach.it Received: from for04.foreach.it ([127.0.0.1]) by localhost (for04.foreach.it [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id auQtu87VMQRN for ; Tue, 8 Jul 2014 15:50:38 +0200 (CEST) Received: from imac2 (host185-41-static.24-87-b.business.telecomitalia.it [87.24.41.185]) by for04.foreach.it (Postfix) with ESMTP id 5A08543C for ; Tue, 8 Jul 2014 15:50:38 +0200 (CEST) X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Tue, 08 Jul 2014 15:50:37 +0200 To: rsgb_lf_group@blacksheep.org From: Marco IK1ODO -2 In-Reply-To: <0934B7A5CEF542C891BDBD0F188ECEE3@gmc.net> References: <9FE61D98573D45E08A39735EF283914F@gmc.net> <53BAE6E9.3050206@tele2.se> <1404795548.36812.YahooMailNeo@web173001.mail.ir2.yahoo.com> <1404815337.38505.YahooMailNeo@web173004.mail.ir2.yahoo.com> <1404815801.86408.YahooMailNeo@web173004.mail.ir2.yahoo.com> <20140708125015.7EB66444@for04.foreach.it> <0934B7A5CEF542C891BDBD0F188ECEE3@gmc.net> Mime-Version: 1.0 Message-Id: <20140708135043.1B96243F@for04.foreach.it> X-HELO-Warning: Remote host 195.88.7.228 (mail.foreach.it) used invalid HELO/EHLO for04.foreach.it - verification failed X-Scan-Signature: 87966b345956c8ef3389b993f6a18f4e Subject: Re: LF: Re: Pure off-topic: old tubes Content-Type: text/plain; charset="us-ascii"; format=flowed 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: 32 At 15:44 08-07-14, you wrote: >Hello Marco, > >You are so kind. Thank you very much. >My tubes look exactly like 4B/551B(D). I will measure the dimensions >to be sure as soon as I can. >It looks convenient that the filament voltage is the usual 6.3 volts. >Interesting is that they count with anode voltage as much as 10 or even 14 kV! > >Thanks again for your effort. > >73, Petr, OK1FIG They look like switch tubes for magnetrons, so the anode voltage may be very high. Good... it may be an interesting job :-) 73 - Marco IK1ODO