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From: "Trevor Wilson"
References: <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <email@example.com> <firstname.lastname@example.org> <8YYA9.email@example.com>
Subject: Re: Class B amplifiers: what are the large low-value resistors for?
Date: Fri, 15 Nov 2002 16:07:46 +1100
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"Phil Allison" wrote in message
> "Trevor Wilson" wrote in message
> > "Phil Allison" wrote in message
> > news:yDXA9.firstname.lastname@example.org...
> > >
> > > "Trevor Wilson" wrote in message
> > > news:email@example.com...
> > > >
> > > > "Phil Allison" wrote in message
> > > > news:O8XA9.firstname.lastname@example.org...
> > > > >
> > > > > ** Will not the maker's specs or a reviewer's test do you ??
> > > >
> > > > **Sure. Do you have a reference?
> > >
> > >
> > >
> > > *** Go and ask the Kef people - find someone over 40.
> > >
> > > I remember seeing the design discussed in magazines, the
> > > published figures and reviews - but that was over 20 years ago. Seems
> > John
> > > W recalls it too.
> > **OK, so you have no reference.
> ** Go screw yourself Mr Wilson.
> When you come up with one, then you will
> > have some proof.
> ** Ring KEF and f.....g ask them. I have not kept 20 year old mags.
**I'n not going to 'phone KEF. You're claiming a perfectly resistive load
for the 104/2. YOU supply the data.
> For the record: I used to sell KEF 104.2 speakers.
> ** It was maybe another version.
**Nope. There was only one. With some minor variants, throughout it's life.
> I am
> > intimately aware of the sales hypes surrounding the use of conjugate
> > matching in that model. I am also aware of how complex the crossover is,
> > inside the KEF 104/2. What I don't have (nor do you, it seems) is any
> > evidence to show that the bass humps are reduced to a resistive line, in
> > that model.
> ** Are you disputing the 6 ohms + / - 10 % spec ? That is still
> slighlty reactive.
**I'm only disputing that it was rated at a resistive impedance, from 20Hz
to 20kHz. Certainly through MOST of its range the KEF 104/2 was resistive. I
am simply suggesting that I don't think that it was perfectly resistive in
the lowest octaves. The Magnapans mostly are, however. Inductive effects are
minimal in most models. Again, I am happy to be corrected by anyone who
cares to share hard data (as opposed to a barrage of insults) on the KEF
104/2. BTW: KEF rated the 104/2 as a 4 Ohm system, not 6 Ohm.
> BTW If you have not seen one, bad luck. That does not make them
**Not in dispute. I HAVE seen the KEF104/2. Lots of them. I just have not
taken the time to run an impedance curve, that's all.
> The fact that I no longer have old mags does not make me a liar or
> give you the right to act all smug and superior like the BS artist and
> Vampire you are.
**Where, EXACTLY, did I call you a liar? I just asked for the data which you
claim existed. So far, you have declined to supply it.
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