[Amps] One GS-35B or two?

[Patrick A. Thompson]

It looks like one GS-35B will meet my requirements. Thank you all for the
responses and observations, I did read them all.

Pat
wa4tuk

> -----Original Message-----
> From: amps-bounces at contesting.com 
> [mailto:amps-bounces at contesting.com] On Behalf Of Tony King - W4ZT
> Sent: Tuesday, May 16, 2006 11:26 PM
> To: amps at contesting.com
> Subject: Re: [Amps] One GS-35B or two?
> 
> Pat,
> 
> A single GS-35B will comfortably do 1500 Watts output, with headroom. 
> 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. A 100 Watt driver 
> will be very comfortable with one tube without causing any 
> damage to it. Just be careful to keep the plate voltage below 
> 4KV and preferably no more than about 3600 Volts.
> 
> My favorite saying is this:
> Tubes are like women...
> If you feel that you must have two, keep them in separate 
> houses,  and don't let them know about each other. If one 
> isn't good enough for you, get a better one.
> 
> In other words, if one tube isn't enough for you, don't run 
> two, get a bigger tube!
> 
> The next logical step above a single GS-35B isn't two of 
> them... it is a single YC-156 ;)
> 
> 73, Tony W4ZT
> 
> 
> Patrick A. Thompson wrote:
> > At no more than 1500 watts PEP output is there any great 
> justification 
> > to run two parallel GS-35B's rather than one?
> > 
> > What I was thinking was that two tubes with a 100 watt 
> exciter would 
> > be mostly damage proof from "operator" errors and have lots of 
> > headroom. But two tubes run the initial cost up somewhat and there 
> > could be a problem with balance between the tubes not to 
> mention the blower size doubling.
> > 
> > Or is one GS-35B already hard to damage at US power limits?
> > 
> > Pat
> > wa4tuk
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