>Rich said:
>
>>What is needed is a Stepstart.
>
>
>I feel that this applies to more than the SB220, and is desirable on any
>amplifier above the 500 watt or so level. Having said that, the cost when
>you're building a commercial amplifier has to be considered, and it's
obviously
>cheaper to use a switch and sell spares.
Appliance rocker switches come in two flavors. 1. for resistive loads
and 2. for surge current loads. I have some 15A rocker switches that are
rated at 43A surge.
> If you amortize costs over the years, it may
>well be cheaper for the customer too. Hams can be very tight fisted.......
>
Good engineering is often cheaper in the long run.
>But as an 'add on' to a commercial amp, or in a home brew amp, I'd argue that
>step start is very highly desirable. To the point where it can be considered
>mandatory.
>
>73
>
>Peter G3RZP
>
- Rich..., 805.386.3734, www.vcnet.com/measures.
end
--
FAQ on WWW: http://www.contesting.com/FAQ/amps
Submissions: amps@contesting.com
Administrative requests: amps-REQUEST@contesting.com
Problems: owner-amps@contesting.com
|