Hello Martin!
On 14 Jan 98, Martin Ridgley wrote to Rich Lockyer:
 MR>    As a bassist, for some years I ran a bi-amped rig with a single 15"
 MR>  cab on the bottom and a single 12" cab on top - both loaded with JBLs.
 MR>  I don't use the 12" cab much anymore though, and it just sits around.
 MR>  So I'm seriously thinking of using it for my electric guitar and just
 MR>  buying a head.  I haven't actually tried this out yet, but is there any
 MR>  reason you can think of why this would be an undesirable combination?
 MR>  I was hoping that it might help give my guitar a warmer, more mid-range
 MR>  oriented tone, which is what I prefer.
As long as you keep the impedance matched, you can try anything you want ~8-)
Undesirable tone-wise?  The JBL-loaded Fenders tend to have a bad reputation, 
but let your ear be the judge.
C-ya! Rich
--- GoldED 2.40
---------------