Re: new info from doepfer about release dates of new modules!(steiner/parker filter)
2003-09-09 by selfoscillate
--- In Doepfer_a100@yahoogroups.com, Bakis Sirros <synth_freak_2000@y...> wrote: > dieter says: > "For the A-107 we have a new problem. Most of the > electronic parts for A-107 were sent on August 26, > 2003 to our manufacturer. But so far the parts did not > arrive. We applied for an investigation last week but > no results so far. If the consignment will not be > discovered the next few days we will have to order the > parts again from our suppliers. The consignment was > insured and so we will get the money back. Most of the > parts are standard (e.g. resistors, capacitors, > diodes) but some of the parts are manufactured > especially for us (e.g. front panel, potentiometers, > LED cover) or have a long delivery time (e.g. the quad > VCA used in the A-107). So I hope the consignment will > come up soon. oh a107, i want you so bad. please come to me. ;-) > The last few days we finished the development of these > new modules: A-172 Max/Min, A-133 VC Polarizer and > A-167 Comparator. We already ordered the front panels, > pc boards and electronic parts for these modules. I > hope they will be available end of September or early > October. The development of A-149-1 SOU1, A-137 Wave > Multiplier and A-196 PLL is nearly finished too. All > modules work well but we still have to do some "fine > tuning": e.g. sensibility and range of the controls > and CV inputs of the A-137, VCO ranges and filter > control in the A-196, voltage range and quantization > of A-149-1 outputs. In the first A-149-1 design we > thought that it would be a good idea to quantize all > outputs to semitone steps. But after testing the > prototype we tend to keep this feature only for the > first two QRV outputs (2n states and n+1 states) as > one obtains here max. 64 states (n=6) and we think it > is a good idea to quantize these outputs to 1/12V (= > semitone quantizing). But for the SRV outputs we now > believe that the semitone quantization is not such a > good idea as it would limit the number of possible > states. If quantizing is desired even for the SRV > outputs one could use a A-156 quantizer module. In the > original Buchla module the QRV outputs were quantized > too (due to the circuit that adds 5 bits of a shift > register that works as a digital noise/random circuit > with different weight) - but not exactly to semitones > but an arbitrary grid. We think that it is good idea > to adjust the QRV outputs so that they correspond to > semitones when used in combination with a VCO. Even > the two SRV outputs of the Buchla module are some kind > of quantized but with 256 arbitrary grid steps due to > the 8 shift register bits that are added with > different weight. > > I suppose that the development of A-142-1, A-137 and > A-196 will be finished within the next few days (or > 1-2 weeks) so that the modules could be available in > October/November. sounds good. a 2003 delivery would be great. those modules look neat under the christmas tree. > In the meantime we also found a manufacturer that > produces capsulated vactrols (i.e. LED/LDR > combinations). So I assume that the next new > developments may be vactrol modules if the new > vactrols are OK (we are waiting for samples). Maybe I > could revive a vactrol filter I have designed in the > seventies: a vactrol version of the Parker/Steiner > filter that was published in the magazine "Electronic > Design" in December 1974. > Best regards > Dieter Doepfer" cool, is this parker/steiner filter similar to the synthacon filter (with different inputs for hp,bp,lp) ? would be fantastic and a sure shot for many customers. best wishes ingo