[sdiy] Resistor types

[Metrophage]

--- "M.A. Koot" <makoot at gmx.net> wrote:
> I'm quite curious what resistor type I should select when building
VCO's or 
> actually any kind of synth-modules.

I use mostly 1/8 Watt carbon, but that's because when I started doing
audio electronics a guy in my town sold to me two cardboard boxes FULL
of electronic components for $40, including hundreds of pieces of
hundreds of values of resistors. Good deal, but I had to put them all
back in their baggies! Took me a few weeks to get that sorted.

Soon I also will need to buy resistors, I am going to go for metal-film
because they are more accurate, usually 1% tolerance compared to 5%.
These days metal film is often cheeper too. Cheepest I have seen
recently were from Xicon through Mouser Electronics, something like $4
per 200 pieces of a given value, if my tired faculties are not
mistaken. 

I think the "warm" argument is mostly nonsense. What might sound "warm"
in your amplifier probably just sounds like your patches drifting in a
synth. People have told me that the 10% Allen Bradley 1/2 Watt
resistors from the '60s sound the best, but I think it's very likely
crazy hype. Who knows? There are more accurate resistors than 1%, but
those only have any use in a synth for VCO summing nodes, assuming the
VCO is steady enough for one to hear the difference.


	
		
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