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	<title>TubeSound &#187; Tube Testers</title>
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	<link>http://tubesound.com</link>
	<description>Vintage Audio Sales and Service</description>
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		<title>TubeSound TTM-1 Tube Tester &amp; Matcher</title>
		<link>http://tubesound.com/2011/04/13/tubesound-ttm-1-tube-tester-matcher/</link>
		<comments>http://tubesound.com/2011/04/13/tubesound-ttm-1-tube-tester-matcher/#comments</comments>
		<pubDate>Wed, 13 Apr 2011 21:15:19 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Tube Testers]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=1074</guid>
		<description><![CDATA[Meet the TubeSound TTM-1: Testing of almost all amplifying tubes (triode, tetrode, pentode, beam power) from antique 4-pin (such as a #10, #45, or #50) through 9-pin novar (such as a 7868).   Socket configuration &#8212; 4-pin, 5-pin, 6-pin, 7-pin medium (aka 1625), 7-pin miniature, octal, loctal, 9-pin-miniature, and 9-pin novar. All tests use exact tube [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2011/04/13/tubesound-ttm-1-tube-tester-matcher/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tube Matching with a Tube Tester</title>
		<link>http://tubesound.com/2010/10/27/tube-matching-with-a-tube-tester/</link>
		<comments>http://tubesound.com/2010/10/27/tube-matching-with-a-tube-tester/#comments</comments>
		<pubDate>Wed, 27 Oct 2010 21:38:52 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Tube Testers]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=923</guid>
		<description><![CDATA[Copyrighted by Bob Putnak, all rights reserved. &#8220;Sometimes output tubes must be selected which will provide a satisfactory balance adjustment.  A tube tester usually will indicate whether a pair of tubes have reasonably similar characteristics.&#8221; &#8211; Robert Middleton, 101 Ways to Use Your Audio Test Equipment, Howard Sams Inc. [1] &#8220;Tube matching&#8221; is a controversial [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Testing a balanced rectifier on a tube tester</title>
		<link>http://tubesound.com/2010/08/25/testing-a-balanced-rectifier-on-a-tube-tester/</link>
		<comments>http://tubesound.com/2010/08/25/testing-a-balanced-rectifier-on-a-tube-tester/#comments</comments>
		<pubDate>Wed, 25 Aug 2010 19:35:31 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=902</guid>
		<description><![CDATA[Most tube testers were not designed to evaluate balanced plate sections when testing a filament-type rectifier tube. ©2010, Bob Putnak, TubeSound. When testing rectifiers such as 5U4, 5Y3, 5Z3 &#8230;have you ever wondered why one plate section tests stronger on your tube tester? Are all of your rectifier tubes really unbalanced? I was recently sent [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/08/25/testing-a-balanced-rectifier-on-a-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Hickok 6000 calibration</title>
		<link>http://tubesound.com/2010/04/28/hickok-6000-calibration/</link>
		<comments>http://tubesound.com/2010/04/28/hickok-6000-calibration/#comments</comments>
		<pubDate>Wed, 28 Apr 2010 15:29:41 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[6000]]></category>
		<category><![CDATA[6000A]]></category>
		<category><![CDATA[6005]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[Hickok]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=756</guid>
		<description><![CDATA[This article discusses repair and calibration of the Hickok 6000 tube tester. Models 6000A and 6005 are the same with only minor feature differences that are not relevant to tube test calibration, therefore the discussion is applicable to those models as well. Serious electrical voltages are present, repairs should only be attempted by a qualified [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/04/28/hickok-6000-calibration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>my tube tester collection</title>
		<link>http://tubesound.com/2010/04/21/my-tube-tester-collection/</link>
		<comments>http://tubesound.com/2010/04/21/my-tube-tester-collection/#comments</comments>
		<pubDate>Wed, 21 Apr 2010 21:40:49 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Blog]]></category>
		<category><![CDATA[Tube Testers]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=751</guid>
		<description><![CDATA[Today was my annual warehouse spring cleaning day, so it was a good opportunity to take a &#8220;family photo&#8221; of my tube tester collection.    My collection changes all the time, sometimes daily.    I did include all of the models that I use everyday for tube sales and bench servicing, and also models that I &#8220;rotate [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/04/21/my-tube-tester-collection/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Tube Testing &amp; How to Use a Tube Tester</title>
		<link>http://tubesound.com/2010/04/07/tube-testing-how-to-use-a-tube-tester/</link>
		<comments>http://tubesound.com/2010/04/07/tube-testing-how-to-use-a-tube-tester/#comments</comments>
		<pubDate>Thu, 08 Apr 2010 01:20:21 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[Tubes]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=743</guid>
		<description><![CDATA[How to Use a Tube Tester&#8230; and Tube Issues (in General) by Bob Putnak, ©2010.  All rights reserved. Your tube tester is often the first test instrument that you reach for when diagnosing problems in tube gear.  All tube testers are a compromise in functionality, compromise in accuracy, and none are perfect.  No models test [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/04/07/tube-testing-how-to-use-a-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>B&amp;K 600-606 tube tester</title>
		<link>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/</link>
		<comments>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/#comments</comments>
		<pubDate>Mon, 25 Jan 2010 22:02:16 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[600]]></category>
		<category><![CDATA[606]]></category>
		<category><![CDATA[B&K]]></category>
		<category><![CDATA[B-K]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=711</guid>
		<description><![CDATA[This article discusses repair and calibration of the B&#38;K 600 / 606  tube testers.  Both models can share the same tube setup data book, and therefore both models are functionally equivalent.    Model 606 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2010/01/25/bk-600-606-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Precision Apparatus 10-series tube tester</title>
		<link>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/</link>
		<comments>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/#comments</comments>
		<pubDate>Mon, 21 Sep 2009 22:36:26 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[10-12]]></category>
		<category><![CDATA[A-15]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[G-140]]></category>
		<category><![CDATA[Paco]]></category>
		<category><![CDATA[Precision]]></category>
		<category><![CDATA[Precision Apparatus]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[socket adapter]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=610</guid>
		<description><![CDATA[This article discusses repair and my calibration procedure of the Precision model 10-12  tube tester.   Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction The Precision Apparatus Company (commonly known as PACO) manufactured some very high quality test equipment.  Among their offerings [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/09/21/precision-apparatus-10-12-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Signal Corp I-177 tube tester calibration</title>
		<link>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/</link>
		<comments>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/#comments</comments>
		<pubDate>Mon, 07 Sep 2009 18:34:00 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[I-177]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[signal corp]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=584</guid>
		<description><![CDATA[This article discusses repair and calibration of the Signal Corp I-177  tube tester.   Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction Model I-177 is a very old US Military dynamic mutual conductance tube tester that was used during World War II [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/09/07/signal-corp-i-177-tube-tester-calibration/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>B&amp;K 607 &#8211; 667 Tube Tester</title>
		<link>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/</link>
		<comments>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/#comments</comments>
		<pubDate>Fri, 24 Jul 2009 22:59:02 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Tube Testers]]></category>
		<category><![CDATA[607]]></category>
		<category><![CDATA[667]]></category>
		<category><![CDATA[B&K]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[tube checker]]></category>
		<category><![CDATA[tube tester]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=527</guid>
		<description><![CDATA[This article discusses the solid-state B&#38;K 607 / 667  tube testers.  Both models use the same tube setup data book, and therefore both models are functionally equivalent.    Model 607 will be example shown in this article.  Electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted, all rights reserved. This [...]]]></description>
		<wfw:commentRss>http://tubesound.com/2009/07/24/bk-607-667-tube-tester/feed/</wfw:commentRss>
		<slash:comments>0</slash:comments>
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