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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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Tube DIY Asylum Do It Yourself (DIY) paradise for tube and SET project builders. |
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In Reply to: How to cool an enclosed SET amp? posted by Jim in Blacksburg on January 10, 2006 at 14:40:38:
When you lay out your output stage, enclose the output tubes within a chimney made of metal, a square box around the heat producing elements with a intake vent (series of holes arranged around each tube socket) on the bottom and an outtake vent on the top and maybe a fan underneath. The idea is to guide the hot air away from the rest of the amplifier or from any other anplifier. Ensure that the intake vent has access to cool air. This approach is used in transmitters and modulators for radio and TV stations and in bench HV power supplys. Of course this flies in the face of those who want to see their tubes glow in the dark. If you cover them up in a chimney, it takes some of the novelty away. Ray
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- Chimneys! - grhughes 18:17:33 01/10/06 (0)
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