Beomaster 2400 radio hum

in BeoMaster · Aug 20, 2023 17:25 GMT

It was in fact the bridge rectifier! Thanks everyone for your time and effort!

Beomaster 2400 radio hum

in BeoMaster · Aug 19, 2023 19:42 GMT

Beomaster 2400 radio hum

in BeoMaster · Aug 19, 2023 19:42 GMT

The hum is ONLY on FM radio. At first the hum disappeared when switched to mono. Now it is still there, but slightly lower.

Beomaster 2400 radio hum

in BeoMaster · Aug 19, 2023 02:31 GMT

I am restoring/repairing a Bang&Olufsen Beomaster 2400. After a minute or so, I get a hum from tuned station, no hum between stations. Hum is propably 50Hz. I have recapped all electrolytes. I suspect something wrong in …