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I'm currently working on a mid 1960s vintage Akai AM/FM Transistor radio that the capacitors in that thing were a mish-mash of those capacitors that look like the ones that were used in these Channel Master/Sanyo radios, some Nichicon (Nippon Chemicon), and the notoriously bad "ELNA" capacitors, which the "ELNA" Caps of course flunked the ESR test on my newly acquired Analog ESR Meter, and the Nichicon caps of course passed with flying colors and the "Sanyo" caps (as I'll call them because they seem to almost always be in Sanyo made electronics from the 1960s and 1970s) were mediocre at best (they were measuring on the verge of failing.)
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