http://www.bagse.com/technology/ROLAND_TB303_GUIDE_index.htm
User Roland TB303 BASS STATION
M303+ CLONE3 TEEBEE3 DEEPBASS 9 FIVEG MS404 etc
The following information has
been based on our own system e.g. TB303's so if you use any similar sounding
equipment i.e. patches for analogues or digital synths let us know.
Patterns, written format if
possible or in key as this makes them easy to sort out.
Every 303 is different in the
respect that the single oscillator reacts differently when filtering harmonics.
This gives the sound that has classic characteristic. The 303 has a range of
500 cents or about 5 semitones. By turning the tuning dial fully left the note
should be C# or D
Middle C is slightly left of
centre
Full right is roughly A
Tune A=440 Hz
Tuning via the keyboard is one
octave higher than normal playing mode.
By using a digital tuner e.g.
utility of Boss SE70 or tone on ART ALPHA you can tune exactly if note tune to
a keyboard or to C roughly half way on tuning dial.
Some people tune by placing the
potentiometer all the way round and then making the adjustment on the cv box
the benefit here is that you will always know what position is in tune the
drawback is you have to have your machine retrofitted.
For CV a digital tuner is a
must as hot and cold temperature changes the tuning all the time those with the
Pro2 CV converter will know what we mean.
‘Digital tuners’ like the
Pro2000 are far better.
When tuning keep the resonance
off. Tune from low to high 4 octaves in track play 3 in pattern and 5 octaves
with the cv.
Heat causes thermal resistance
e.g. noise so if playing live tune when hot. When recording keep every thing
cool to limit noise. Then defeat the whole object and add loads of distortion.
Frequency range 32Hz + so your
speaker system might not handle all the frequencies unless you have good active
crossovers, isobaric subwoofer.
If you get a retrofit ask the
people doing it to tune the oscillator over all octaves usually 400Hz linear.
Tune CV initiate first then the scaling to cover all 5 octaves if one octave is
out just make sure C60 to C72 is in tune as this is used most.
C down = C48
C = C60
Ctop/up = C72
Ctop up = C84
Ctop up pitched = C96
= Midi hi C 108 see frequency
chart for more info
Midi notes are transposed as cv
only works from G before c48. CV being one volt per octave method. See cv
charts for pullup voltages.