Bill, W6WRT wrote:
> ORIGINAL MESSAGE:
>
> On Wed, 02 Dec 2009 22:13:02 -0500, Roger <sub1@rogerhalstead.com> wrote:
>
>
>> Tubes should always be used as a pair,
>> except for 813's and 572's and then you use 4 of them.
>>
>
> REPLY:
>
> First time I've ever heard "tubes should be used as a pair". I have heard the
> opposite: "If you need more power, don't use two tubes, get a bigger tube".
>
> Care to elaborate?
>
Sure, If one tube can do the job, then two has to do it even better. <:-))
Isn't that the contesters motto?
You can go with a single tube, but the "bigger ones" draw tremendous
filament power and a pair of those means you have to run in 3-phase AC.
73
Roger (K8RI)
> 73, Bill W6WRT
>
>
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