(idm) sound geekery >the koner experiment<

From Irene McC
Sent Fri, Nov 6th 1998, 05:57

On 5 Nov 98, Peter Becker wrote re: (idm) Koner:

> Anyone ever played a Koner disc on a MAJOR sound system,
> like megawatt rave machine bug in the bassbin kind of system?

Yes, I did play that Thomas Koner on a MAJOR sound system - 
my husband's home-built speakers ::: 2x6" bass mid-range units 
with 200 watt tweeters (special high qualitiy ones) - these high 
frequency drivers are crossed over at 3 kHz, the woofers are rolled 
off below 120 Hz where the subwoofers come in.  They consist of   
2x12" drivers summed to mono, mounted in the side of the box, 
powered by a 250 Watt RMS amp, crossed over from 120 
downwards.  The system goes down to about 13/14 Hz (measured 
and confirmed).  

The phono pre-amp uses laboratory quality Burr-Brown circuitry 
and has a response up to 32 kHz.

In a direct comparison we synchronised the vinyl & CD versions of 
Luke Slater's Planetary Assault System's Electric Funk Machine.  
There was an *immense* difference between the CD and the vinyl.  
The vinyl sounding much wider and transparent.  However, when we 
used the NAD phono pre-amp, the difference was much less 
apparent.  Which proves that a really high quality phono pre-amp 
makes a vital difference to sonic quality.

The Sub's, Woofer and Tweeter are in one cabinet, with the sub-
woofer mounted in the side of the cab, which is trianguar shaped, 
and the woofer and tweeter face forward and are time aligned, ie. 
their coils are on the same plane.  These two are powered by my 
trusty NAD amplifier and there is a sub-control built into the back of 
the box to set how much bottom end is required.  They are about 1 
meter high and are floor-standing.  THEY KICK.

[All this was built and put together by Tully, who is a sound 
engineers and owns a recording studio and dictated the specs to 
me.  Coz personally I wouldn't have a clue :-) ]  But I can confirm 
that the sound coming out of them is awesome and the vinyl 
sounds better every time.

I
*