HELP!   Are there any owners of Yarland Manual Bias tube amps (E.g. FV34A, PRO88SE or PRO845SE) out there?   Please share with me on the proper steps to bias the output tubes.   I have the English manual but the English is so badly mangled that it does not make any sense to me at...

Hi,   I need some advice on choice of hifi amp.   My Neuhaus Labs T2 hifi tube amp recently blew itself to Kingdom come after a few months of usage.   So I am on the lookout for a replacement tube amp.   My speakers are 88db 4 Ohms in a mid-sized room.   I have done some...

Hi everyone,   Recently my DT880 developed the infamous "grattle" or "rattle" on the right side. This only happened when playing low frequency music e.g. drums with plenty of bass etc... This phenomenon is best described as hearing some sort of paper rattling sound at low frequencies...