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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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Tweakers' Asylum Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ. |
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In Reply to: Re: Stabilised power supply for power amp ???? how 'bout CLC filtering? posted by freddyi on November 25, 2001 at 15:17:33:
Hi Freddy
My unregulated power supply is 32 V (22 V x Sqrt (2) ), and my my voltage reference is 28 V. So my regulated power is aproxamately 27 V. Because I work mostly at low power (high efficiency speakers) the dissipation isn't really a problem. For transistors I have used what I had lying around, which was a TYP142 and the complementary TIP147 (darlington transistors capable of 10 amp). This was flikflakked together just as a test, and had very satisfying result.What I do have to say is that the unregulated part is of low quality (old trannies out of damaged commercial gear and old philips elco's), so that might be the reason of the huge difference. Now i have a pair of "good" trannies, I will have to compare again. "Unfortunately" I just started working as a software engineer, for which and I have to study alot, so I don't have much time for the moment for large expiriments. But when I have some new results, I defenately will let you know.
GreetzWim
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- Re: Stabilised power supply for power amp ???? how 'bout CLC filtering? - _Wim_ 13:58:53 11/26/01 (0)
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