Hi there!
 
Fortunately I came across this forum! I've been hoping for some information for my Essence 5 with serial 91K6641. All I know now is that it looks and sounds beatiful  Thanks in advance!
 
Miika

Hi Miika,
 
Here's the details about your bass.  
 
KLSB5 Essence 5-string bass
top: Flame Maple
accent: Walnut pinstripe
body: Maple
neck: 5-piece Maple
scale: 34 long
fingerboard: Ebony
inlays: none
finish: Cherry Red Transparent
pickups: 2 MXY56
controls: Essence volume, filter, pan, mono output
originally made for: Bass Center, Finland
birthday: July 19, 1991
 
Glad you're enjoying it!