I recently got a 5 string Warwick Corvette Standard.....it had active MECs but I replaced them with an active EMG set. My dilemma came with the stock MEC preamp....replace it with the passive tone control that EMG supplied or just wire the pickups into the MEC preamp. It seemed like a no brainer to keep the preamp to me....but I read how the EMGs get muddy when the pots they are wired into are not like the 25K pots given with the set. This 5 string sounds much like my other Warwick with the same EMG set......but only with a bit of a treble boost on the MEC preamp. When I pull the vol knob out to passive they sound a little muddy to me. Anyone know if the MEC preamp has 25K pots? I'd think they would have to be somewhere around 25-50 being active MEC pickups were removed.....just wanted to see if anyone knew for sure. Thanks!