--- In Doepfer_a100@yahoogroups.com , Bakis Sirros
<synth_freak_2000@y...> wrote:

> or, you could add a negative offset voltage to the
> a149-1 output via an a176 and an a138a,or an a176 and
> a138c if you want an a149-1 AC output, or an a167
> comparator, or, or, or...
> bakis.

hehehe modular systems rule :-)