Fisher 800B Restoration - Printable Version
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+--- Thread: Fisher 800B Restoration (/showthread.php?tid=16225)
RE: Fisher 800B Restoration - KCMike - 02-28-2017
I decided to replace the Ecaps in the power supply section. I have the 50uf x 4 multi cap can done and powered up, all is well.
Now the next multi cap can is C-95 it is an 40,40,20 uf. Can I use a 40,40,30uf in this section? I can't find one with the 40,40,20uf value in a multi section can. I don't want to try to cram them into the underside of the chassis and wanted to avoid restuffing if possible.
Thinking of this one. Thanks for any advice.
https://www.tubesandmore.com/products/capacitor-ce-mfg-40-f450v-40-f400v-30-f350v
RE: Fisher 800B Restoration - KCMike - 03-02-2017
Finished the power supply capacitors today. It was a little confusing to figure out how to do this with the various mf values and keeping things in correct order. I did end up using some caps under the chassis along with three new cans and restuffing one capacitor can.
Its playing very well on the test bench speakers. I'm still waiting on the crossover capacitors. Going to put it back in the cabinet tomorrow and hear how it sounds.
Here is some pictures. Thanks to all who helped and commented.
[Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02192_zpsaaiozxeo.jpg] [Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02192_zpsaaiozxeo.jpg]
[Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02209_zpshzc6ruds.jpg] [Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02209_zpshzc6ruds.jpg] Sorry for double pictures the photobucket is not cooperating.
[Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02199_zpsrkfrifcr.jpg] [Image: http://i1336.photobucket.com/albums/o654/220kohms/Fisher%20800B/DSC02208_zpstrm909tb.jpg]
RE: Fisher 800B Restoration - Clayvu - 04-12-2019
I have -20v at negative of C98.
Is it ok?
Any idea for me.
Thank you.