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Valves / Vacuum Tubes
Valve data books
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<blockquote data-quote="charles" data-source="post: 762661" data-attributes="member: 2759"><p>The later data manuals (e.g. 1974) that includes settings for the old AVO testers (MK1-MK2 and CT 160) and separate settings for the latest tester the VCM 163:</p><p></p><p>The old AVO testers settings for EZ80/EZ81 are completely incorrect. But in the previous AVO data manual (eg for MK IV) the settings are correct.</p><p></p><p>On the other hand some of the test figures (e.g Ia) for certain power valves are correct in the Mk II data manual but incorrect in all the superseding manuals. </p><p></p><p>Most of the incorrect settings/test figures were found in one of the latest (1974) AVO data manual. </p><p></p><p>According to a Osram Valve Guide 1939-40:</p><p></p><p>A DA100 Triode's price: 168/-</p><p>A KT66's price: 15/-</p><p> </p></blockquote><p></p>
[QUOTE="charles, post: 762661, member: 2759"] The later data manuals (e.g. 1974) that includes settings for the old AVO testers (MK1-MK2 and CT 160) and separate settings for the latest tester the VCM 163: The old AVO testers settings for EZ80/EZ81 are completely incorrect. But in the previous AVO data manual (eg for MK IV) the settings are correct. On the other hand some of the test figures (e.g Ia) for certain power valves are correct in the Mk II data manual but incorrect in all the superseding manuals. Most of the incorrect settings/test figures were found in one of the latest (1974) AVO data manual. According to a Osram Valve Guide 1939-40: A DA100 Triode's price: 168/- A KT66's price: 15/- [/QUOTE]
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