[Amps] 4100VD 3CPX1500A7

[Gary Schafer]

Can you point us to an 80 - 10 YC-156 amp that does this? I haven't seen one
anywhere with a tube with that much capacitance. I have seen a YC-156 on 6
meters but it used no plate tune capacitor at all.
Not being argumentative but interested.

73
Gary  K4FMX

> -----Original Message-----
> From: amps-bounces at contesting.com [mailto:amps-bounces at contesting.com] On
> Behalf Of Carl
> Sent: Thursday, March 19, 2009 12:29 PM
> To: sanorm at columbus.rr.com; amps at contesting.com; Jeff Allen
> Subject: Re: [Amps] 4100VD 3CPX1500A7
> 
> 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
> >> >
> >> > _______________________________________________
> >> > Amps mailing list
> >> > Amps at contesting.com
> >> > http://lists.contesting.com/mailman/listinfo/amps
> >>
> >> _______________________________________________
> >> Amps mailing list
> >> Amps at contesting.com
> >> http://lists.contesting.com/mailman/listinfo/amps
> >
> 
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps