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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: Thoughts on doubler supply straight out of wall no transformer 450V caps.??? posted by -3db on September 16, 2002 at 00:55:06:
Hi,No problem with the PSU. The low (extremly low) will be easier to filter (except for "diode spikes" etc.).
But do by all means think more than twice about how to build it.
Firstly you need to isolate all inputs / output. Output is usually solved by itself by the OPT if you don't use feedback. On the input you need an insulating transformer. And of cause the chassis can't be of a elecrical conducting material.Have a look on Steve's site (linked) for info and warnings.
I think UL84 (EL86 equiv.) or UCL82 would be a more fit tubes if you wanna do away with filament transformer as well and don't use a huge cap for filament a'la TubeCads idea...mvh /Pär
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Follow Ups
- Possibly: But take care... - Pär 06:04:35 09/16/02 (0)
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