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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: "Miracles"? I must be working out one! posted by cheap-Jack on May 9, 2007 at 13:49:01:
'This is my "build-and-forget" pure DC supply solution for my phonostage tube heaters.'Really ? It seems that you built it then forgot a battery does not maintain it's charge . I bet a 5AH cell only has around four hours use , less if you've purchased cheap batteries which have past their shelf life date . How do you keep the heaters within +/- 5% of 6.3 volt for the heaters ? A much better solution would be to use an extra SLA in series and a CCS between the heater supply and the battery . This would maintain the heater supply at optimal conditions , even when the batteries begin to drain .
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Follow Ups
- Re: "Miracles"? I must be working out one! - . 04:06:00 05/10/07 (2)
- Too much theory, my no-name bud. - cheap-Jack 07:53:07 05/10/07 (1)
- Play wet? Interesting... - LowRedMoon 08:37:51 05/11/07 (0)
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