Re: [Amps] FW: Power factor correction on tube amps

[Jim Brown <jim@audiosystemsgroup.com>]

On 3/7/2013 6:26 PM, KA4INM wrote:
> So you are saying our tube HPA's hV power supplies have a near unity 
> power factor? 
No, I said exactly the opposite. If it's a capacitor input filter, the 
current is drawn in pulses and thus has high harmonic content. A choke 
input filter would reduce that effect.
73, Jim K9YC
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