[Amps] Small Amplifier

[R.Measures]

Since c. 75% of the total grid-I flows in the (2w) control-grid and c. 
25% of the total grid-I flows in the (12w) screen grid, the 4cx250B 
hardly seems to be suited for g-g operation.  However, a friend tells 
me that it has been done on SSB.

On Jan 17, 2005, at 4:32 PM, carl seyersdahl wrote:

> Is the 4cx250b useable in G-G?? (safely)
>    carl / kz5ca
> ----- Original Message -----
> From: "Will Matney" <craxd1 at ezwv.com>
> To: <Amps at contesting.com>
> Sent: Friday, January 14, 2005 12:15 PM
> Subject: Re: [Amps] Small Amplifier
>
>
>> David,
>>
>> I think if I wanted the ability of full legal limit power, I'd run (4)
>> 4CX250B's in parallel. I've built a few of those and they do have the
>> muscle.
>>
>> Will
>>
>>
>>
>> On Fri, 14 Jan 2005 11:26:18 -0500, David C. Hallam 
>> <dhallam at rapidsys.com>
>> wrote:
>>
>>> I want to build a new small amplifier for those times when I really
> don't
>>> want to heat up the shack with the 5CX1500A.  I have a supply of
> 4CX300's
>>> and sockets as well as 4CX250's and sockets.  I plan to use two in
>>> parallel.
>>> Is there anything to recommend one over the other?
>>>
>>> David C. Hallam
>>> KC2JD
>>>
>>>
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>>
>>
>>
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>
>
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Richard L. Measures, AG6K, 805.386.3734.  www.somis.org