Re: [Amps] switching power supply for tube amplifier

["Tom Rauch" <w8ji@contesting.com>]

> 10 pounds, 2KW - It looks promising. I am just wondering, 
> how come no
> manufacturers use them?

75% efficiency

750 watts heat at 3kW load

17% regulation

$700

Unless someone is going to tote something around there isn't 
any reason to use one. The main advantage of tubes is a 
regular transformer can be used.

If I wanted to use a switching supply I'd use FET's, not 
tubes. 


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