On Thursday, March 9, 2017 at 5:03:00 PM UTC-8, olds...@tubes.com wrote:   
   > What type of capacitor would be the best match to replace the old   
   > paper/wax caps in old tube gear?   
   >   
   > I am not referring to the electrolytics, those I know need to be   
   > electrolytic caps. I am referring to the inter stage caps, such as .01   
   > .05 .1, .005 and so on.....   
   >   
   > The object is to replace all the caps in an old tube radio, or any other   
   > tube stuff.   
   >   
   > Yes, I know this topic was sort of discussed a few weeks ago, and I   
   > recall hearing that any of them would work, but that does not really   
   > answer this question. Sure, they may all work, but what type would be   
   > the closest match to the original paper/wax types?   
   >   
   > From what I know, those caps were made from paper and a metal foil   
   > rolled up and coated with wax. So, what is the nearest similar type?   
   >   
   > From that last discussion, I know I left that thread sort of puzzled   
   > because all caps seem tp contain "poly" (which means plastic). I am   
   > thinking that what seems to be the closest would be whatever plastic   
   > replaces the paper, and a foil. From what I understand, some caps do not   
   > have a foil, but rather some sort of metallic material that is coated or   
   > sprayed on. Those are probably not what I would want to use, because   
   > they are not similar to the originals.   
   >   
   > I am fully aware that the voltage MUST be the same or higher and the uf   
   > must be close, such as .047 to replace .05. Also for tube circuits,   
   > axial leads are preferred.   
   >   
   > Then too, looking on ebay and other sources, I see a lot of very   
   > expensive caps which are intended for high end audio amps. For my needs,   
   > I will not pay $29.99 for one cap, and yes I have seen them cost that   
   > much.   
   >   
   > I am seeing some no-name cheap China caps selling for as little as 20   
   > cents each. While I like to save money, I'd really rather spend $1 each   
   > for something like the Orange Drops, which have been around a long time   
   > and seem to be good quality, despite the fact they dont come in axial   
   > form. But they generally can fit into most places.   
   >   
   > I will only be replacing those paper/wax caps and the electrolytics. I   
   > wont touch any mica or silver mica types, unless they appear to be bad   
   > (I will probably test them though).   
   >   
   > One that I do recall, are the so called Mylar, which I think were the   
   > first ones that were made to replace the old paper caps. I guess they   
   > now changed that name to something "poly" also.....   
   >   
   > What would you recommend or use?   
   > Web url's appreciated for lower cost AMERICAN made caps.   
   >   
   > One last thing, I found some cap assortments on ebay. 150 or 200 caps of   
   > assorted values, labeled as NOS (New old stock), but they are NOT the   
   > paper/wax kind. Since I have no spare caps, and just want an assortment   
   > on hand, I was thinking about buying one of those. I would NOT buy NOS   
   > electrolytics, but for the interstage types, I might consider this, just   
   > so I have an assortment of caps on hand..   
      
   Why don't you use some Paper In Oil caps. You can find russion PIO's on ebay   
   at a reaqsonable price AND they work great.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)