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Audio and Video Talk
Valves / Vacuum Tubes
Why Mullard, Philips and Telefunken.
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<blockquote data-quote="Sten" data-source="post: 788596" data-attributes="member: 2243"><p>Such good and wise comments! Bias towards the country of manufacture is certainly there in my case since I was born not far from Eindhoven, so Philips valves are for me somewhat special. Talking of bias, I took apart a Russian built oscilloscope years ago and was totally unimpressed. I was comparing with Tektronix and HP of course so probably a very invidious comparison. Talking of cryogenic treatment makes me shudder. To subject a relatively delicate thing like a valve to that sort of thermal shock seems crazy. If you've ever looked through highly strained glass by polarized light you would never use one of these maltreated things.</p></blockquote><p></p>
[QUOTE="Sten, post: 788596, member: 2243"] Such good and wise comments! Bias towards the country of manufacture is certainly there in my case since I was born not far from Eindhoven, so Philips valves are for me somewhat special. Talking of bias, I took apart a Russian built oscilloscope years ago and was totally unimpressed. I was comparing with Tektronix and HP of course so probably a very invidious comparison. Talking of cryogenic treatment makes me shudder. To subject a relatively delicate thing like a valve to that sort of thermal shock seems crazy. If you've ever looked through highly strained glass by polarized light you would never use one of these maltreated things. [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
Why Mullard, Philips and Telefunken.
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