Let's Get Technical > Schematics & Modifications (mods)
Chorus to Vibrato mod .. MB-1
bcklndt:
Does anybody know if it is possible to mod the build in chorus to a vibrato .. so 100% wet signal only.
Would be for my MB-1 but I guess it would be the same for an MP-1.
Are there options as well to make the effect more drastic?
I really like heavy modulating sea sick sounds ..
rnolan:
I'm not aware of any mods that do what you want. Chorus is a combination of slight delay while subtly modulating (vibrato(ish)) the pitch of the delayed signal. Akin to mimicking a 12 string i.e. 2 strings tuned the same struck "slightly" differently in time (the very short delay) and spinning (modulating/pitch shifting) slightly differently.Vibrato is a pitch shift, Tremolo is a volume shift. With your MB1 I'd suggest you use a decent Fx device in one (or both) the Fx loops that can do it.
The way I do it is slightly more elaborate as in I use one of my MP2s (which has tremolo and distortion) on the bridge PU and the MB1 on the neck PU, combine in small mixer add slight stereo delay and Reverb, stereo amp > 2 x cabs.
bcklndt:
Vibrato = Chorus with no dry signal.
I think it should be possible on the MB-1, the dry signal needs to be cut out of the mix .. added tweaks for "wetter" effect would be nice too ..
I have a Malekko omicron vibrato pedal that I use with an 18v adaptor for optimal headroom & low end .. that pedal also uses the popular MN3007 BBD chip.
To each his own but I love heavy vibrato on bass .. would be cool to have it available & programmable on the MB-1 ..
MarshallJMP:
I had a look for this and it's not so easy as cutting the original signal.
rnolan:
You could run your pedal in one of the MB1s fx loops and turn it on/off via different patches, you could also change the Fx loop parameters e.g. return level via midi CC with an expression pedal. To do CC with MB1 you need to install the last EPROM released v2.05. You can also do master volume control via CC.
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