[AMPS] Fw: ICAS rating confusion.

[measures]

>
>> When you say to the transformer maker
>> "ICAS 50% duty cycle with maximum load period 5 minutes"
>> how does he translate this to core and wire size?
>> Also, how does this translate into the advertised specs for the amp.
>
>
>Amplifier manufacturers just make up specs, since there are no 
>ICAS standards. For example,  Amp Supply sold a 22 pound 
>1.1kVa core as a 4 kW transformer. 
>
>The best thing you can do is ask the weight and type of 
>transformer. If it is a good E-I lamination type, it would be about 
>20% or so heavier than a Hypersil-type core for equal performance.
>
 A 3000v/1.5A Peter W. Dahl 69-pound Hipersil® transformer - powering an 
8171 - does c. 15 out  in SSB.  That's 1kw for every 5lbs.  Hipersil® can 
also be used in E-I core transformers.  

end



-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


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