I found some reference to this in one of luknfur's (sp?) posts via search, but I'd like more info if possible. My bass has an EMG BTC preamp that I can bypass. PUPs are DiMarzio Ultrajazz. When the pre is engaged, I notice that the initial attack of each note is "smoothed" compared to when I bypass the pre. I notice that this effect seems more pronounced as I boost the bass on the BTC. Nice when slapping, but not sure I like it for fingerstyle. I played a Skyline 44-02 w/the USA Bart pre, and noticed a similar result when switching between passive/active on the pre. Is this "smoothing" present in all onboards? Are any significantly less prounounced? Am I just imagining things?