linuxaudio.org

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:

quoted text
> > 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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