[Amps] One GS-35B or two?

PA3DUV pa3duv at planet.nl
Wed May 17 15:22:08 EDT 2006


My 2 x GU84B's feel more happy together. So does the owner of the amp :-)

Cheers, Dick
PA3DUV

----- Original Message ----- 
From: "Tony King - W4ZT" <amps080605 at w4zt.com>
To: "Amps Reflector" <amps at contesting.com>
Sent: Wednesday, May 17, 2006 7:48 PM
Subject: Re: [Amps] One GS-35B or two?


> 
> 
> Roy Koeppe wrote:
>> Tony said...
>> 
>> "There is no use wasting another tube and increasing the demand for
>> filament current, plate current AND lowering your plate load impedance
>> by using two tubes."
>> 
>> Tony, huh?,
>> 
>> You would not increase your plate current or lower your plate load
>> impedance if you ran the same legal power limit with either one or a
>> pair of those tubes. (Besides, lowering plate Z is not necessarily a bad
>> thing? Your tank circuit runs more efficiently with a lower ratio of
>> in/out transformation).
>> 
>> 73,   Roy   K6XK
> 
> Thanks Roy... if it were only true... I haven't seen anyone yet that 
> could run a pair without pushing them and that means all the above.
> 
> You are absolutely right if it were kept to legal power!  It wouldn't be 
> better though. It would just be more hardware and filament power for no 
> gain at all.  Plus higher output C which would make ten meters more 
> difficult.  I still say, keep tubes to themselves. They don't have 
> feelings and wont mind spending their life alone ;)
> 
> Thanks and 73, Tony W4ZT
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps


More information about the Amps mailing list