Looking for a forum member within the UK who might undertake an investigation into why my Bottlehead Crack keeps loosing the right channels audio. Then if possible carry out necessary repairs. A fair price would be paid for work done and any parts required. It's been into a local audio engineers twice but the fault has returned yet again. The amp has been living in a plastic bag under my bed since the last repair and consequent failure. The Darkvoice I bought as an alternative just doesn't match up. I live in Leeds UK and know this request is a long shot but here goes anyway.