10% carbon comp vs new "premium" carbon comp......

[chopstuck]

Anyone notice a real difference. Is there a difference ?

among those who hear the carbon comp mojo ....

Justradios.com has both and have been very good to me.

[ChrisM]

I have used both from Just Radios and cant tell them apart. My tests weren't super critical though.

The 10% ones look more old school, if that matters to you!

[Structo]

Remember that the 1/2 watt carbon comp resistors are usually only good up to 350v.

That site does have the second CC resistors that are good up to 400v.

I know in most locations a 1/2 watt resistor is OK but I generally use 1 watt resistors, thicker leads and larger size I like.

I've been wanting to experiment with some CC or CF resistors for my PI plates to see if there really is any "M0j0".

Too bad that site doesn't carry any 1 watt CC or CF.
They do have the flame proof CF resistors but I'm not sure if that has any benefits of a carbon comp resistor.

[chopstuck]

So what is the carbon content of an old fashioned ohmite resistor ?
What is good enough ? Is this all smoke and ozone ?

[Jana]

I like Dale RN65's. No pops, hiss, or smoke--but hey--I manage to get that in other ways!

[KT66]

According to this article by R.G. Keen :

http://geofex.com/Article_Folders/carbo ... oncomp.htm

the mojo from CCs comes from the fact that they have a relatively high voltage coefficient of resistance, and this can basically only be exploited by using them as plate resistors. I think that modern CCs probably have a lower lower VCOR than vintage ones, but I don't know for sure.

I do know that I just looked at Angela.com's NOS inventory and they don't have 100Ks any more, but it looks like there are a few Ebay sellers selling small lots of NOS Allen Bradley's.

[j-po]

If you have NFB connected, don't bother. It will correct any distortion possibly gained.

wanting to experiment with some CC or CF resistors for my PI plates to see if there really is any "M0j0".

[Structo]

Hadn't considered that, thanks.