[Amps] Overdrive protection

[Richard Solomon]

Or, to play Devils Advocate ... why do they design Amps with such wimpy tubes
when more substantial tubes are readily available ??

73, Dick, W1KSZ

On Thu, Jul 26, 2012 at 9:36 AM, Vic K2VCO <k2vco.vic at gmail.com> wrote:
> Alpha's email newsletter talks about damage to amplifiers as a result of overdrive -- the
> example is given of amplifiers designed to produce 1500w output with 40w drive being
> driven with 150w. They say that there is a log maintained by the firmware which records
> overdrive incidents and that they won't repair damage caused by this kind of abuse under
> warranty.
>
> I am sympathetic to their attitude and don't approve of the philosophy that all knobs
> should always be set to 11. But sometimes it's unintentional.
>
> My question -- and maybe there's an Alpha employee on the list who wants to answer -- is
> "isn't it possible to make an overdrive protection circuit that will cause the amplifier
> to fault fast enough to protect the tubes and components?"
>
> --
> Vic, K2VCO
> Fresno CA
> http://www.qsl.net/k2vco/
>
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