> Hi
> I'got a A189-1.
> I 'm asking a question about voltage to trigger the function and ( position 2) or the other logical functions .
> if I plug 2 out of a A155 ( trigger output or gate output ) in the A 189-1 the logical function doesn't works , is it
> because the A155 give a voltage about 5V
>
> If a A 160 or 161 is use it seems to work is it because voltage is 10 Volts
> if it is because of this, is ther another solution to work with the A 155 than, using a A 183-3 to amplify the voltage
> to 10 volts
>
>
> Thank you

Sorry - I don't understand your question. The A-189-1 is a bit modifier used to process audio signals (e.g. triangle or sawtooth
from a VCO)

Best wishes
Dieter Doepfer