I am unsure of the protocol attached to contacting another member but it has been recommended to me that I contact Hyperion regarding my Sansui amplifier, they being, I am reliably informed an expert on the subject. I am looking for either someone who is able to fix my AU 317 II or supply another repairer who can fix it but doesn't have the parts the location of identified faulty parts. If you see what I mean. I live in Braintree Essex UK.