It takes 65 real watts per tube to get full output from a 3-500Z; one of
those new 200W rigs are excellent drivers for 3-4 of them.
Carl
KM1H
----- Original Message -----
From: "Hsu" <hsu4qro@gmail.com>
To: "Jim W7RY" <w7ry@inbox.com>
Cc: <amps@contesting.com>
Sent: Saturday, December 11, 2010 10:39 PM
Subject: Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
> The driving power of 4X3-500Z maybe over 100W.
> ----- Original Message -----
> From: "Jim W7RY" <w7ry@inbox.com>
> To: "EA8AUW Edu" <ea8auw@gmail.com>; <Amps@contesting.com>
> Sent: Sunday, December 12, 2010 11:32 AM
> Subject: Re: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
>
>
>> For what frequencies or bands?
>>
>> 73
>> Jim W7RY
>>
>>
>> --------------------------------------------------
>> From: "EA8AUW Edu" <ea8auw@gmail.com>
>> Sent: Saturday, December 11, 2010 9:47 AM
>> To: <Amps@contesting.com>
>> Subject: [Amps] 4 X 4-400C or 4 X 3-500Z HF amplifier
>>
>>> Hello Everyone !
>>>
>>> Somedoby have information for to building an HF amplifier with 4 X
>>> 4-400C tubes or 4X 3-500Z ??
>>>
>>>
>>> If you have any informations, please send me it.
>>>
>>> Thanks you in advanced
>>>
>>> 73 de EA8AUW - Edu.-
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>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
>>>
>>>
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