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Audio and Video Talk
Valves / Vacuum Tubes
QUAD II (old old stock): Alternatives to KT66?
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<blockquote data-quote="Nidri" data-source="post: 927530" data-attributes="member: 1342"><p>Thanks again, Ampdog.</p><p>Based on the Quad-supplied spec sheets, the 5V4G is a suitable replacement for the GZ32 rectifier valve. </p><p></p><p>Although some 5V4G valves have the same (curvy) shape as GZ32's I've seen, there also seems to be regular (flat) shaped 5V4G valves. Based on your experience, is there any thermal benefit to this design, i.e. is the flat (thinner) shape less likely to transfer heat to the adjacent transformers?</p><p></p><p>For example, the US-made Raytheon 5V4G:</p><p></p><p><img src="https://i.postimg.cc/B6PgWXQS/Raytheon-Japan-5-V4-GA-02.jpg" alt="" class="fr-fic fr-dii fr-draggable " style="" /></p></blockquote><p></p>
[QUOTE="Nidri, post: 927530, member: 1342"] Thanks again, Ampdog. Based on the Quad-supplied spec sheets, the 5V4G is a suitable replacement for the GZ32 rectifier valve. Although some 5V4G valves have the same (curvy) shape as GZ32's I've seen, there also seems to be regular (flat) shaped 5V4G valves. Based on your experience, is there any thermal benefit to this design, i.e. is the flat (thinner) shape less likely to transfer heat to the adjacent transformers? For example, the US-made Raytheon 5V4G: [IMG]https://i.postimg.cc/B6PgWXQS/Raytheon-Japan-5-V4-GA-02.jpg[/IMG] [/QUOTE]
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Audio and Video Talk
Valves / Vacuum Tubes
QUAD II (old old stock): Alternatives to KT66?
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