> On Saturday, January 07, 2012 03:26:46 PM Fons Adriaensen did opine:
>
> > On Sat, Jan 07, 2012 at 01:34:15PM +0100, Ralf Madorf wrote:
> > > OTOH, if you've got much time and a lot of money, you might build a
> > > better monitor than there's on the market. Trail and error is how
> > > people from rich families build some good pro-audio gear. The VM-1
> > > microphone is such an example. Patience and money in the beginning is
> > > all you need. You even don't need knowledge that much.
> >
> > The last sentence made my day when reading it during lunch.
> >
> > Sure, if you have plenty of money you can hire someone with the
> > required knowledge. And if you have plenty of time you can re-
> > invent and rediscover all the design theory, psycho-acoustics,
> > material science and measurement techniques accumulated over
> > the past 80 years or so, and everything else it takes to create
> > a good studio monitor or mic.
> >
> > There are probably some good speaker designs available on the
> > net, and building one of those may be a rewarding exercise.
> > But even in that case you're just doing maybe 5% of the work,
> > the rest has been done by the designers of the components you
> > use. It's like building your own car using an existing engine,
> > gearbox, etc. and just putting in your own pair of seats and
> > adding a layer of paint. Nice if you enjoy doing that, but a
> > waste of time otherwise.
> >
> > Ciao,
>
> Fons, are you perchance old enough to remember the "Karlson" speaker
> cabinet designs from back in the late 50's?
>
> This was an attempt to take the Electrovoice corner horn and fold it all up
> into a more normal looking box that actually took nearly 2 sheets of 3/4"
> plywood to build. As a late teenager I built the 12" sized version of it,
> and while I can't say it didn't "color" the sound, the thing I can recall
> was that it was extremely efficient with a University 6201 12" coax speaker
> in it. 5 watts could loosen the putty in the rooms windows. The 12" sized
> version also seemed to have an LF cutoff in the 45hz range but that was
> probably the speakers blame as it cone wasn't exactly softly suspended.
>
> If any of those survive today, what do the experts think of them now,
> nearly 60 years later?
>
> Cheers, Gene
> --
> "There are four boxes to be used in defense of liberty:
> soap, ballot, jury, and ammo. Please use in that order."
> -Ed Howdershelt (Author)
> My web page:
> When one burns one's bridges, what a very nice fire it makes.
> -- Dylan Thomas
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