I spent a lot more quality time with my amps. I did an A/B experiment. I wired up both of my amps with the Zoom B3 as an ABY.
First I would play the Hartke with no active effects (bypass). Then I'd mute the Hartke and unmute the BG250. After going back and forth a bunch of times, I learned some things.
a) On the Hartke, with the settings flat and the "shape" on the amp disabled (off) the sound is a lot more aggressive with a ton of mids. Engaging the "shape" at 400hz sounds to me like it's applying the U-shaped graphic EQ effect. It's much cleaner, warmer and much less honky mid-range.
b) No matter what....I don't think I can duplicate the Hartke aluminum tone. There is a certain sweetness that I feel can only come from the aluminum.
c) On the BG250, I messed with the EQ settings through all of the extremes. The characteristic flat tone has a nasally mid-range to my ear. Decreasing the mid doesn't seem to get rid of the nasal sound.........until you hit -5. At -4 the mids are there but at -5 it's like an off switch. The bad news is that the volume of the amp takes a nose dive (pardon the pun) when you set the mids to -5. I had to bump the gain and master to compensate.
d) For me, the best setting to my ear was -2 bass, -5 mid, +2 treble. I believe I can use that at a gig.
Now I started experimenting with the B3 as the pre-amp. I set the BG250 back flat (noon).
a) I tried the AcBsPre again and couldn't find a setting that would tame the nasal mid-range.
b) Went through my favorite set of amp emulators; Aguilar, Markbass, Hartke and SVT.
c) Ironically.......the Hartke emulator seemed to do the best job of controlling the mids without sacrificing volume. Believe the Hartke emulator settings I used were...
Bass 0, mid 0, treble 0, level somewhere in the middle, tube emulation 10 , comp off, cab mix 50.
First I would play the Hartke with no active effects (bypass). Then I'd mute the Hartke and unmute the BG250. After going back and forth a bunch of times, I learned some things.
a) On the Hartke, with the settings flat and the "shape" on the amp disabled (off) the sound is a lot more aggressive with a ton of mids. Engaging the "shape" at 400hz sounds to me like it's applying the U-shaped graphic EQ effect. It's much cleaner, warmer and much less honky mid-range.
b) No matter what....I don't think I can duplicate the Hartke aluminum tone. There is a certain sweetness that I feel can only come from the aluminum.
c) On the BG250, I messed with the EQ settings through all of the extremes. The characteristic flat tone has a nasally mid-range to my ear. Decreasing the mid doesn't seem to get rid of the nasal sound.........until you hit -5. At -4 the mids are there but at -5 it's like an off switch. The bad news is that the volume of the amp takes a nose dive (pardon the pun) when you set the mids to -5. I had to bump the gain and master to compensate.
d) For me, the best setting to my ear was -2 bass, -5 mid, +2 treble. I believe I can use that at a gig.
Now I started experimenting with the B3 as the pre-amp. I set the BG250 back flat (noon).
a) I tried the AcBsPre again and couldn't find a setting that would tame the nasal mid-range.
b) Went through my favorite set of amp emulators; Aguilar, Markbass, Hartke and SVT.
c) Ironically.......the Hartke emulator seemed to do the best job of controlling the mids without sacrificing volume. Believe the Hartke emulator settings I used were...
Bass 0, mid 0, treble 0, level somewhere in the middle, tube emulation 10 , comp off, cab mix 50.