How much would it cost to build all of the CGS modules that stooge
Larry makes front panels for (roughly)?
I may just order all the parts and all the front panels when the time
comes, just for the heck of it.
Cole
Larry makes front panels for (roughly)?
I may just order all the parts and all the front panels when the time
comes, just for the heck of it.
Cole
--- In cgs_synth@yahoogroups.com, Andre Majorel <aym-htnys@t...> wrote:
> On 2005-09-30 21:01 +0100, Dave Kendall wrote:
>
> > If you're starting out ordering components, it's worth thinking about
> > what modules you are planning on building, working out a big parts
> > list, and then ordering larger amounts to get bulk discounts. (saves
> > on shipping/delivery too) Some components are used a lot - 100k
> > resistors are very common, as are 10K and 1K. In bulk, 1% resistors
> > can often be nearly as cheap as 5% resistors, so it's worth going for
> > 1% if bulk buying. Other common items are 47K linear pots, 8, 14 and
> > 16 pin IC sockets, 1N4148 diodes, 47K, 22K , 2K resistors and some
> > other values, and TL072/TL074 op-amps. BC547 transistors are used a
> > lot in CGS designs, and 0.1uF and 100uF caps are common.
>
> For large quantities, check Mouser. They may turn out less
> expensive than Farnell, even if you're in Europe. For one
> thousand TL072 (ST), it's 0.21 USD/pc from Mouser vs. 0.34
> EUR/pc from Farnell. There are other examples. Mouser sells
> bulk resistors very cheap, 12 USD for an ammo pack of 1,000.
>
> I second Dave's advice. If you were to build one of each of CGS'
> and Oakley's modules plus three of Jim Patchell's modules and a
> Tellun TLN-156 module, you would need about :
>
> 385 1k resistors
> 98 2.2k resistors
> 507 10k resistors
> 115 22k resistors
> 106 33k resistors
> 198 47k resistors
> 932 100k resistors
>
> 40 10kA pots
> 85 47kA pots
> 32 100kA pots
>
> 455 small decoupling caps (100 nF)
> 104 large decoupling caps (2.2-22 uF)
>
> 68 axial ferrite beads
>
> 445 1N4148
>
> 147 BC547
>
> 216 TL072
>
> Unless you don't plan to build more than a few modules, 1k, 10k
> and 100k resistors, 100nF caps, 1N4148 diodes and
> BC547/548/549/550 transistors are things to buy by the thousand.
>
> > As an example, in the UK, RS components are usually expensive, but
> > when buying tubes of 25 ICs, they often work out way cheaper than
> > alternative sources. In one case, it was cheaper to buy 25 op-amps in
> > a tube than to buy 15 individually.
>
> Yep. For CA3083, RS are a bit cheaper than Farnell (25 for the
> price of 23). For most other things, RS is more expensive.
>
> --
> André Majorel <URL:http://www.teaser.fr/~amajorel/>
> Do not use this account for regular correspondence.
> See the URL above for contact information.