Hi again Martin, To follow up this thread, i have replaced the onboard rectifier with a new KBPC608PBF as per your recommendation. Unfortunately this has not solved the hum in both channels that i am experiencing (panned with balance control and modified by tone controls - present across all inputs). I attach a picture of the old rectifier unit just

Hi Martin and thanks for the feedback, I only replaced the capacitors and lamps as supplied in the kit i bought from you. I will try replacing the rectifier you mention. Can you please give specs for this component? (What do you mean by a 'little more powerful'? - sorry, my knowledge is limited). Thanks v much, jonathan

Hi guys, I have jumped in on this thread as is relevant to my issue. I have a Beomaster 1900-2903 that developed a hum. After consulting this wonderful forum i bought a bulb replacement kit (several of them were blown) and cap kit from Dillen and performed the work without incident. The unit played beautifully for around 6 months but has now developed