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Purchased Sonuus B2M Bass Midi Interface

I use a B2M... I like it.

I'm a pick player. Fingerstyle does not produce good results because of using the adjacent strings as a "stop" when plucking. The B2M will read that dead thump and try to apply a pitch to it.

I have the B2M triggering a string synth module (Korg). I have that going to a separate small amp with a volume pedal.

With this setup, I can swell in some low strings behind my sustained bass parts, especially useful in slower sections for big dramatic effect.

Sure, I get an occasional mis-fire, but it's usually an octave up or down. But used carefully as an added "color" in appropriate sections, it's a VERY fun, musical tool, the most fun $100 piece of equipment I've bought in a long time.
 
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Just got my B2M, plugged my old Precision in one end and a Minitaur in the other, then out to an amp.

Tacking is excellent. Every now and again it plays an octave down which is a surprise, but other than that remarkably accurate. Play clean, definite notes and it works just fine.

Latency is very low. You can feel a very slight delay but it is something you feel rather than hear. And of course if your synth sound has any kind of swell at the start that feels like like latency but it isn't.

So far so good!

Fast playing. Maybe not so happy. If you're going so skip around the bass like Steve Vai this probably isn't for you. I'm guessing if you're a fast and funky slap player this might not keep up either. It's fine with normal bass playing (whatever that is) and it keeps up with fairly fast finger style scales and arpeggios just fine as long as you play accurately.

My test was straight in, no messing with eq, no compressor, so I imagine a bit of tweaking can make it respond even better, although it's fine as is for me and opens up a whole new world of synth triggering (now I can run a Minitaur in parallel with a Super Synth for some truly massive sounds :)

ficelles
 
Hey guys, I just wanna add my thoughts - I just got the B2M today, it's been discontinued for a new model that also lumps in guitar, and I was able to get it cheap so thought I may as well. I've been using it to trigger my Korg MS-20 mini and blend that with my bass tone to get a big fat bottom end. Anyway, I thought the device was way better than I thought given the reviews, and I never had any problems as long as I played with clarity and control. For the purposes I intended the B2M was perfect, so I'd definitely recommend picking one up before they go, you may as well! One thing I found was the string has to be perfectly in tune to get correct tracking, even a quarter semitone out can throw it.
 
I'm curious, why don't you just plug in your bass into the pitch-to-CV interface directly Invalid Link Removed?
I planned to originally but the tracking wasn't nearly reliable enough. With a guitar it only works under very specific conditions, with the tone rolled off, and no ringing from strings. Even then it's not incredible - as the ESP can't deal with overtones. With the bass, even with super careful playing and precise technique the low end tracking was just useless, so I looked into midi and it works really well. Since the ms-20 midi only takes in note values, you lose any expressiveness you could get from the ESP (that could take in your envelope and worked for all pitches and inbetween) but since I'm mainly using it for rock, that's fine. ESP works better for specifically monophonic instruments like brass or voice, tbf.