Hi, an cheap and good solution is Princeton PT2399 for delay and echo.
only 3.95 US$ from http://www.smallbearelec.com/ see under:
stock list, ICs Delays and Echo

regards
Erik


--- In Doepfer_a100@yahoogroups.com , "selfoscillate"
<synaptic_music@y...> wrote:

>
> hello guilherme,
>
> those bbd-chips are not used anymore by the industry,
> there are much better/cheaper solutions available (technically
> speaking), so there is not enough demand for them to
> keep producion up. most of the bbd-manufacturers
> have stopped production because of this.
>
> best wishes
>
> ingo
>
> Links