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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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Tubes Asylum Questions about tubes and gear that glows. FAQ |
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In Reply to: Re: Lower Purity W: Good? Bad? Neither? posted by Ehien on November 21, 2002 at 23:15:36:
Clearly the Sovteks will be less stressful at start-up than the NOS if the trends we've measured are consistent. HOWEVER...If I were designing tube equip for the consumer market, I sure wouldn't design so close to the edge that tube inrush current variations would be a factor in reliability. One way around the cold filament inrush current issue is to use neg temp coef "inrush limiters" in the primary circuit of the PT/FT. My primary interest is vintage and whenever I service a unit I always add an inrush limiter to the primary circuit. They really work well for me. Must admit that I got the idea from McIntosh: they used them on most of their tube power amps after the MC30/60 series.
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Follow Ups
- Re: Lower Purity W: Good? Bad? Neither? - Steve O 23:29:32 11/21/02 (4)
- Re: Lower Purity W: Good? Bad? Neither? - SBB 05:49:22 11/22/02 (3)
- Inrush limiter - Ehien 10:29:44 11/22/02 (2)
- Re: Inrush limiter - Steve O 11:37:42 11/22/02 (1)
- Re: Inrush limiter - Ehien 13:59:06 11/22/02 (0)
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