[Amps] Hi Mu correction

[crawfish]

I have a couple of 3CX3000F1's which were pulls from vibration shaker amps.
What is the lowest HV that one can use on them (and other operating
parameters) to keep it at the 1500 watt output level?CPII chart says normal
operation is 8.25 kW out at 5500 vdc.
                            Joe W4AAB
----- Original Message -----
From: "Phil Clements" <philc at texascellnet.com>
To: <amps at contesting.com>
Sent: Wednesday, July 19, 2006 1:04 PM
Subject: Re: [Amps] Hi Mu correction


>
>
> less at a given bias voltage.
> >
> > The low mu or amplification factor 3CX3000A1 requires
> > hundreds of volts bias for normal operation, while the high
> > mu 3cx3000A7 requires only a few  volts bias.
>
> A 3CX3000A7 running @ 4800-5000 volts on the anode in class AB2 (cathode
> driven) idles @ c. 350 ma ZSAC, with zero bias applied. With a drive
> impedance of 50 ohms, and instant-on heater, this is my favorite tube for
a
> search/and/pounce amp, and for those brief openings on 160 meters. A real
> pleasure to build up and operate; not to mention all the headroom.
>
> (((73)))
> Phil Clements, K5PC
>
>
>
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