[sdiy] Tempco group buy news

[James Patchell]

1K may be stocked...but.... Attenuate by 1.87K/100K and you get 1 volt per 
octave (or very close)...2K/100K you get a bit more than 1V/octave...for 
synth work...2K is probably the most convenient...however...by changing 
circuits, almost any value can be made to work.  When I ordered my Q81Ks 30 
years ago...I got 2Ks as this made the most sense to me then (lucky 
guess...eh?).....

At 08:53 AM 5/30/2005 +1000, Ken Stone wrote:
>1k is better simply because it is stocked. I contacted the local distributer
>in Australia for some a year or two back. 1k was in stock, as it appears to
>be an "industry standard". Everything else had to be ordered.
>
>Ken
>
> >Most of the older VCOs I have seen use 2k tempcos, though some specify
> >1k. Almost all of the more recent circuits I have seen specify 1k. I
> >had no idea why! Of course it figures that people design circuits
> >around the components which they have available. The ARP 2500 VCOs used
> >100 ohm tempcos, and the later ARP VCOs used 1.87k! What makes 1k or 2k
> >better?
> >
> >KRL-Bantry told me that they are happy to make any almost any value,
> >but that some would be more work, and thus be more costly. Tomorrow I
> >will ask them about price and lead time for 2k tempcos, so if people
> >are interested in these also, please do let me know! I am
> >guessing/hoping that 2k will be about the same price.
> >
> >CJ
> >
> >
> >
> >__________________________________
> >Do you Yahoo!?
> >Yahoo! Small Business - Try our new Resources site
> >http://smallbusiness.yahoo.com/resources/
> >
>_______________________________________________________________________
>Ken Stone   sasami at hotkey.net.au or sasami at cgs.synth.net
>Modular Synth PCBs for sale <http://www.blaze.net.au/~sasami/synth/>
>Australian Miniature Horses & Ponies <http://www.blaze.net.au/~sasami/>

         -Jim
***************************************************************
http://www.oldcrows.net/~patchell

***************************************************************