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	<title>TubeSound &#187; Test Equipment</title>
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	<description>Vintage Audio Sales and Service</description>
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		<title>Roller-Smith Bridge Ohmmeter</title>
		<link>http://tubesound.com/2010/05/30/roller-smith-bridge-ohmmeter/</link>
		<comments>http://tubesound.com/2010/05/30/roller-smith-bridge-ohmmeter/#comments</comments>
		<pubDate>Sun, 30 May 2010 18:53:59 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Test Equipment]]></category>
		<category><![CDATA[ohmmeter]]></category>
		<category><![CDATA[Roller-Smith]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=825</guid>
		<description><![CDATA[There is nothing digital about a vintage Roller-Smith bridge ohmmeter.  It can measure from 0.5 ohms to 50,000 ohms using 4 ranges.  This is a beautiful antique test instrument.  It has an attractive hardwood case, leather handle, and quality construction.   The meter operates on 3 vdc, which can be supplied using two D-cell batteries or [...]]]></description>
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		<title>Sprague TO-3 Tel-Ohmike calibration</title>
		<link>http://tubesound.com/2009/11/09/sprague-to3-tel-ohmike-calibration/</link>
		<comments>http://tubesound.com/2009/11/09/sprague-to3-tel-ohmike-calibration/#comments</comments>
		<pubDate>Mon, 09 Nov 2009 18:58:41 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Test Equipment]]></category>
		<category><![CDATA[capacitor checker]]></category>
		<category><![CDATA[capacitor tester]]></category>
		<category><![CDATA[condenser analyzer]]></category>
		<category><![CDATA[Sprague]]></category>
		<category><![CDATA[Tel-Ohmike]]></category>
		<category><![CDATA[Telohmike]]></category>
		<category><![CDATA[TO-3]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=632</guid>
		<description><![CDATA[This article discusses repair and calibration of the Sprague model TO-3 Tel-Ohmike Resistor-Condenser Analyzer.    Serious electrical voltages are present, repairs should only be attempted by a qualified technician. Copyrighted by Bob Putnak, all rights reserved. Introduction to model TO-3 Model TO-3 Tel-Ohmike &#8220;Capacitor Tester&#8221; is based on the older Sprague design.  It is a balanced-bridge [...]]]></description>
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		<title>Testing panel meters</title>
		<link>http://tubesound.com/2009/05/03/testing-panel-meters/</link>
		<comments>http://tubesound.com/2009/05/03/testing-panel-meters/#comments</comments>
		<pubDate>Sun, 03 May 2009 20:24:20 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Test Equipment]]></category>
		<category><![CDATA[meters]]></category>
		<category><![CDATA[panel]]></category>
		<category><![CDATA[test]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=482</guid>
		<description><![CDATA[©2009, All rights reserved. The article will discuss a cheap and easy way to test panel meters. The meter in your tube tester is an example of a panel meter. Occasionally you see flaky meter operation and suspect that the panel meter may be defective.  Most techs know that it may not be safe to [...]]]></description>
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		<slash:comments>0</slash:comments>
		</item>
		<item>
		<title>Capacitor Tester repair-calibration</title>
		<link>http://tubesound.com/2008/08/23/rc-testers/</link>
		<comments>http://tubesound.com/2008/08/23/rc-testers/#comments</comments>
		<pubDate>Sat, 23 Aug 2008 16:44:38 +0000</pubDate>
		<dc:creator>Bob</dc:creator>
				<category><![CDATA[Test Equipment]]></category>
		<category><![CDATA[950]]></category>
		<category><![CDATA[950A]]></category>
		<category><![CDATA[950B]]></category>
		<category><![CDATA[bridge]]></category>
		<category><![CDATA[C-2]]></category>
		<category><![CDATA[C-3]]></category>
		<category><![CDATA[calibration]]></category>
		<category><![CDATA[capacitance]]></category>
		<category><![CDATA[capacitor checker]]></category>
		<category><![CDATA[capacitor tester]]></category>
		<category><![CDATA[comparator]]></category>
		<category><![CDATA[EICO]]></category>
		<category><![CDATA[Heathkit]]></category>
		<category><![CDATA[KG-670]]></category>
		<category><![CDATA[Knight]]></category>
		<category><![CDATA[Paco]]></category>
		<category><![CDATA[Precision Apparatus]]></category>
		<category><![CDATA[R/C Tester]]></category>
		<category><![CDATA[rebuilt]]></category>
		<category><![CDATA[repair]]></category>
		<category><![CDATA[resistance]]></category>

		<guid isPermaLink="false">http://tubesound.com/?p=303</guid>
		<description><![CDATA[(©2008 Bob Putnak, all rights reserved.)  This article discusses repair and calibration information for a number of vintage capacitor testers that all use the same fundamental test circuit.   The article currently covers the EICO 950-series, PACO C-20, Knight KG-670, Heathkit C-2 and C-3, etc.  (More models will be added on an ongoing basis as I [...]]]></description>
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