Need Bad Cat "Black Cat 30R" Schematic

[bobloblaws]

Power stage and PI can hum if unbalanced, otherwise it could be a bad filter cap,bad connection,or open resistors in filaments center tap eventually.
Scope is your friend,put it at work.

I have a scope and use it for certain things but I honestly don't know exactly what you are suggesting I should do with it in this case. Can you be a little more specific?

[vintagekiki]

Bad Cat schematics

http://schems.com/bmampscom/badcat/

https://www.schematicsunlimited.com/b/badcat

https://el34world.com/charts/Schematics/files/_miscellaneous/_miscellaneous_Schematics.htm

https://elektrotanya.com/?q=showresult&what=badcat

http://cfile23.uf.tistory.com/image/20669C504E1D248A09B714
Badcat hotcat 30
Badcat minicat
Badcat x treme tone

http://cfile8.uf.tistory.com/image/14210A494E1D2489211D8F
Bad Cat Mini Cat II

https://vdocuments.site/badcat-hotcat-30-amplifier-schematic.html
Badcat Hotcat 30

https://music-electronics-forum.com/showthread.php?t=39152
Bad Cat Cougar 50

[bobloblaws]

http://schems.com/bmampscom/badcat/

https://www.schematicsunlimited.com/b/badcat

https://el34world.com/charts/Schematics/files/_miscellaneous/_miscellaneous_Schematics.htm

https://elektrotanya.com/?q=showresult&what=badcat

http://cfile23.uf.tistory.com/image/20669C504E1D248A09B714
Badcat hotcat 30
Badcat minicat
Badcat x treme tone

http://cfile8.uf.tistory.com/image/14210A494E1D2489211D8F
Bad Cat Mini Cat II

https://vdocuments.site/badcat-hotcat-30-amplifier-schematic.html
Badcat Hotcat 30

https://music-electronics-forum.com/showthread.php?t=39152
Bad Cat Cougar 50

Thanks Vintage. For anyone looking for the Black Cat 30 schematic, best bet is Matchless DC30.

https://www.thetubestore.com/lib/the...-Schematic.pdf

[vintagekiki]

http://ceriatoneforum.com/dc-30/

http://ceriatoneforum.com/dc-30/new-dc30-schematics/

http://web.archive.org/web/20150405035714/www.igmusic.co.nz/graphics/DC30_Preamps.pdf

https://el34world.com/Forum/index.php?topic=15543.0
Matchless DC30 channel 2

https://el34world.com/Forum/index.php?PHPSESSID=tore7uhorm8smlptlfp52l8407&action=dl attach;topic=15543.0;attach=36709

[vintagekiki]

http://www.kobra.hr/Schematics/Matchless/Matchless%20C30%20Classic%20Combo.jpg
Matchless C30 Classic Combo