You need both. The resistor absorbs the current instantly and limits the
peak amount giving the fuse time to blow.
73
Gary k4FMX
> -----Original Message-----
> From: amps-bounces@contesting.com [mailto:amps-bounces@contesting.com]
> On Behalf Of pfizenmayer
> Sent: Wednesday, March 02, 2011 4:00 PM
> To: amps@contesting.com
> Subject: Re: [Amps] Al-82 Blowing fuses?
>
> I would yield to the amp gurus - but I suspect the 10 to 25 ohm surge
> resistor between the filter cap bank and the tube will do more to
> protect
> the tube than any fuses .
>
> Hank K7HP
>
>
> ----- Original Message -----
> From: "Dave Cole" <dave@nk7z.net>
> To: <amps@contesting.com>
> Sent: Tuesday, March 01, 2011 7:20 PM
> Subject: Re: [Amps] Al-82 Blowing fuses?
>
>
> > Hi,
> >
> > That thought occurred to me... I had two, then went to a slow blow,
> ad
> > none, then decided a 20 A Fast Blow, would be better than a 15 Amp
> > slow blow. That is what I was asking about...
> >
> > Dave
> > NK7Z
> >
> >
> > ====================CUT==================
> > On Tue, 01 Mar 2011 00:41:36 +0000
> > Ron Youvan <ka4inm@tampabay.rr.com> wrote:
> >
> >> Dave NK7Z Cole wrote:
> >>
> >> > I am using 20 Amp fast blow... The theory is that it might save a
> >> > tube, as opposed to the slow blow fuses... Any thoughts from
> >> > anyone?
> >>
> >> If you have a lot of false blows re-think your strategy.
> >
> > ==================END CUT================
> >
> > --
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> >
>
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