here is my dilema: i use a tech21 RBI with a qsc power-amp with a Hartke 4x10 cabinet,it has a tweeter,i have 2 Lakland 55-01's with Aguilar OBP3 pre-amps,strung with d'addario"halfwounds".:alrighty..doesnt matter where i set the RBI eq or my bass eq,the treble is "harsh" especially on the D&G strings,harsh sounding treble,tryed turning the treble down which makes my overall tone suffer.the only way i can tone it down is by turning the "blend" on the RBI to middle position. ok,do you think it might be the tweeter in my cabinet causing the harsh treble?,cause i play at practice an old peavey head with a 2x12(no tweeter) cabinet and my bass sounds great plugged directly into the head.(bass/treble set flat) i am thinking no tweeter is the way to go? any info would be great.thanx in advance.