active eq questions

[fusion man 85]

Im toying with getting a 5er cucurrently the top of the list are spector and ibanez,
They offer a few passive models I.like but theres more selection in the active area, besides the obvious battery what do the electronics do and offer,how hard is tone shaping with all them knob some of thesr bassrs have 18 volt vs 9 volt beside the number diffrence what's that about

 

[line6man]

what do the electronics do and offer

http://www.talkbass.com/threads/active-passive-what-do-they-mean.938720/#post-13546521

some of thesr bassrs have 18 volt vs 9 volt beside the number diffrence what's that about

Headroom, and nothing else.