[Amps] SB-230 Power Question

[Fern]

Yes there is an attenuator in the input of the SB-230 (actually a swamped 
grid input) . Also, the output should be very close from 80 m to 10 meters. 
I've had several of these amps in the past.  73 from Fern   VE7GZ

----- Original Message ----- 
From: "Paul Decker" <kg7hf at comcast.net>
To: <amps at contesting.com>
Sent: Tuesday, March 19, 2013 2:48 PM
Subject: Re: [Amps] SB-230 Power Question


>
> I admit, I don't know anything about the SB-230, but 100W drive seems 
> excessive for an 8875/8874, is there some sort of attenuation for the 
> input?
>
> My 432 MHz amp using a single 8874 tube takes 25 drive to produce 500W 
> out.
>
> Paul,
> KG7HF
>
>
>
>