Re: [TenTec] 422 HF Amp Input Low Pass Filter Board question

["Jim Brown K9YC" <k9yc@audiosystemsgroup.com>]

On Wed, 25 Feb 2009 11:04:53 -0800, Michael Tope wrote:

>The Centurion is a pair of 3-500Z running in zero-bias mode (something 
>like 2500Vdc on the plates), so the power gain is much lower than the 
>Titan amps with the 3CX800s. Driving the Centurion is more or less like 
>driving a Drake L-7 or an SB-220. You typically need on order of 100 to 
>120 watts to get "full power" which is typically around 1200 watts (a 
>little more if you have a stiff main and lots of drive power).

>That said, I still agree that the less than perfect input VSWR shouldn't 
>be an issue for most exciters.

Thanks Mike.

73,

Jim K9YC



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