[quote name='Jarhead' post='575691' date='Aug 20 2009, 03:50 PM']Well, if you want a preamp type thing in pedal form, there is the Tech 21 VT Bass pedal, which is designed to replicate the SVT tone.
Zach[/quote]
+1
See if any of your bass friends have one of these so you can try it out, it cops the Ampeg tone perfectly.
Its also quite a bit less then the preamp.