Quote:
Originally Posted by Bruce MacMillan
having had a close look I can see many black Sprague TVA Atom series caps. These are fairly modern so I suspect some recapping has occurred.
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Yes didn't spot those. Higher voltage rated axial packaged caps are becoming harder to find, the old stock new in the package capacitors or NOS can cause problems too - years of storage can degrade the dielectric materials. You can now buy modern made Chinese poly caps in axial form but they are usually a bright yellow colour ! I have noticed a Ebay seller here based in Canberra sells them in black.
In order to retain the original appearance, I have seen restorers resort to methods like drilling out the old caps and then placing a modern cap inside the old original.