I've never dismantled a 8877, but in other external anode tubes that I've
dismantled, that cap is only decorative - underneath is the "pinch off"
where they evaculate the tube during manufacture.
Regards
David G4FTC
>From: "Gary Schafer" <garyschafer@comcast.net>
>To: <w2cqm@juno.com>, <amps@contesting.com>
>Subject: Re: [Amps] SELL: Heat Dissipating 8877 HV Plate Caps
>Date: Thu, 23 Aug 2007 21:21:31 -0500
>
>You're kidding, right?
>
>73
>Gary K4FMX
>
>
>
> > -----Original Message-----
> > From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
>On
> > Behalf Of w2cqm@juno.com
> > Sent: Thursday, August 23, 2007 8:57 PM
> > To: amps@contesting.com
> > Subject: [Amps] SELL: Heat Dissipating 8877 HV Plate Caps
> >
> >
> >
> >
> >
> > Offering a custom machined heat dissipating plate cap for the 3CX1500A7
> > (8877) tube. This sized cap is a vital heat reducing accessory item and
> > not commercially available for this tube's plate cap parameters. In the
> > higher output amplifier, the cap serves as a radiator to remove heat
>from
> > an area of the tube that is usually not addressed. A full size 8 ring 1-
> > 1/4" tall cap is available for $22. The low profile 5 ring 7/8" tall
>unit
> > is $18. A slightly shorter unit (not shown measures 3/4") has been
>further
> > collapsed to accommodate restricted clearances $18. Prices include
> > shipping. Includes all mounting hardware. Ron W2CQM/3
> > http://swap.qth.com/segamida/614222.jpg
> >
> >
> > _______________________________________________
> > Amps mailing list
> > Amps@contesting.com
> > http://lists.contesting.com/mailman/listinfo/amps
>
>
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