[Amps] 4100VD 3CPX1500A7

[Carl]

Thats extremely easy to overcome with half the 10M coil before the Tune 
cap. Big commercial amps have been doing that for decades and so are 
YC-156 builders; it reduces the Tune C  by 1/4th and easy for a vacuum 
variable  Some have even put the tube on 6M!

Carl
KM1H


----- Original Message ----- 
From: <sanorm at columbus.rr.com>
To: "Carl" <km1h at jeremy.mv.com>; <amps at contesting.com>; "Jeff Allen" 
<jeff at kb9ysj.com>
Sent: Thursday, March 19, 2009 12:13 PM
Subject: Re: [Amps] 4100VD 3CPX1500A7


>
> Amp Guys,
> Just a comment on the YC-156 at 10M.  The tank design is a little 
> tricky for multi band operation
> (160-10) because of the 36PF PC. In the CT environment it was operated 
> at a much higher F, however, it was a single dedicated Freq.
>
> de Norm N8NH
>
> ---- Carl <km1h at jeremy.mv.com> wrote:
>> 3CPX1500A7, a pulse rated 8877.
>>
>> Or go with the big boys and a YC-156. At 100W drive it will easily 
>> run
>> legal with a bit of overhead AND last forever.
>>
>> Both tubes are readily available as medical amp pulls.
>>
>> Carl
>> KM1H
>>
>>
>>
>> ----- Original Message ----- 
>> From: "Jeff Allen" <jeff at kb9ysj.com>
>> To: <amps at contesting.com>
>> Sent: Sunday, March 15, 2009 4:18 PM
>> Subject: [Amps] 4100VDC@ 2 Amps
>>
>>
>> > What single Tube, GG can I use to get the best results from 
>> > 160-10M?
>> > The
>> > amp is already built using 2 GS35B Tubes. But I think the 2 tubes 
>> > are
>> > to
>> > unstable?? 4100VDC PLATE at 2AmpsCCS  PeterD
>> >
>> > _______________________________________________
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>> > Amps at contesting.com
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>>
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>