[Amps] SELL: Heat Dissipating 8877 HV Plate Caps

k7rdx k7rdx at charter.net
Fri Aug 24 17:55:55 EDT 2007


The caps may impede air flow with their transverse fins as opposed to the
tube coolers verticle radiator...Look cool thou..Jim K7RDX...
----- Original Message ----- 
From: "jeremy-ca" <km1h at jeremy.mv.com>
To: "David G4FTC" <g4ftc at hotmail.com>; <amps at contesting.com>
Sent: Friday, August 24, 2007 2:15 PM
Subject: Re: [Amps] SELL: Heat Dissipating 8877 HV Plate Caps


> Other than creating a market that doesnt exist there is no reason for one
of
> those caps. It falls into the same category as voodoo parasitic
suppressors,
> and step starts.
>
> Carl
> KM1H
>
>
>
>
> ----- Original Message ----- 
> From: "David G4FTC" <g4ftc at hotmail.com>
> To: <amps at contesting.com>
> Sent: Friday, August 24, 2007 3:24 PM
> Subject: Re: [Amps] SELL: Heat Dissipating 8877 HV Plate Caps
>
>
> >
> > 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 at comcast.net>
> >>To: <w2cqm at juno.com>, <amps at 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 at contesting.com
[mailto:amps-bounces at contesting.com]
> >>On
> >> > Behalf Of w2cqm at juno.com
> >> > Sent: Thursday, August 23, 2007 8:57 PM
> >> > To: amps at 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
> >> >
> >> >
> >> > _______________________________________________
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> >> > Amps at contesting.com
> >> > http://lists.contesting.com/mailman/listinfo/amps
> >>
> >>
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>
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