I have a 6 string that I purchased in the early-mid 90's & I don't really have much info about it or how much it's worth.  The serial #90H6166 USA is in front of the 1st pickup.  What can you tell me about this bass & electronics & switches.  Thanks, Ron

Hi Ron, welcome to the Club!
 
Going by the serial number, you have a 1990 Elan model. You can look up information on the standard controls here at the club, under FAQ & Must Reads ? FAQ ? Elan Basses.
 
Here's the page for the Elan Controls.
 
Be sure to post some pictures here or on the . It may take a while for your request to be honored, but we can start making some educated guesses from the pictures.
 
I've added the serial number to the thread title, to help with the lookup.
 
(Message edited by adriaan on May 26, 2010)

Hi Ronald,
 
Here's the details I found in the instrument file:
 
HLB6 Elan bass
 
top: Flame Walnut
accent: none
body: Maple
shape: Elan
neck: 11-piece Maple and Purpleheart
fingerboard: Ebony
inlays: Pearloid (plastic) ovals
pickups: AXY56
controls: Elan volume, pan, filter, Q-switch, mono output
originally made for: Guitar Center
birthday: not recorded, but likely late October, 1990.