Yep, those ones as long as they are new, they would be fine, just check the lead spacing to make sure they're not big...Hey Lee, thanks for your comments. Funny you should mention Silver Mica caps. In my searches I came across a site selling 2 & 3pF (+/- 0.5pF) 500V Dipped Silver Mica Capacitors, and 22pF 5% 500V Dipped Silver Mica Capacitors:
https://www.justradios.com/mica.html
Would these work in the CA & Ba-F1's? And do you think it might be worthwhile as they are apparently on sale right now?
Mark
KM4NPG
You really do want to get rid of those, and I would also hedge a bet that there is that corrosive glue in there as well, and that suff is even worse!!Well now you guy got me to dig out my amp and pull the covers to see if I still have the black flags. I do, I see a few of them on the two left and right boards on the bottom. Is that the only place they are at?
It's a original amp, the cap glue is minimal from what I'v seen on amps and doesn't look like it's doing any damage,,,, yet.You really do want to get rid of those, and I would also hedge a bet that there is that corrosive glue in there as well, and that suff is even worse!!
Hey Lee, thanks for your comments. Funny you should mention Silver Mica caps. In my searches I came across a site selling 2 & 3pF (+/- 0.5pF) 500V Dipped Silver Mica Capacitors, and 22pF 5% 500V Dipped Silver Mica Capacitors:
https://www.justradios.com/mica.html
Would these work in the CA & Ba-F1's? And do you think it might be worthwhile as they are apparently on sale right now?
Mark
KM4NPG
Thanks for the complete shopping list as I didn't know they where also in my CA-F1. Sorry to highjack your thread with my questions.Smart Ass [sorry it's all I had to work with], there are 5 on the F-2965 board and the same on the F-2966 board [2x 2pF, 2x 3pF, & 1x 22 pF on each for a total of 10]. Based on the schematics and parts list that should be all for the BA-F1. For the CA-F1 there appear to be10 more BLACK FLAG caps [4x 3pF, and 6x 22pF all 125 volt].
Depends, yes the silver does migrate over time and can cause the caps to short out. This was a problem in the Crown Macro-Techs, but it depends on quality and what sort of stress the circuit they are in is under.I've used the same caps from justradios on several jobs and found them to be lovely, but have had it raised to me that in the long term silver mica might not be reliable. Is there are verdict on whether that old problem was really batch/geographic specific?