Our Nad decided to call it a day Yesterday. The right hand channel just stopped working done all the test 1. check the buffer plugs in the back 2. check the speaker wire connections to the amp 3. Check the speaker connection 4. checked the line out cable sounds like a trip to the repair shop and £45 for a peer inside to me. Musical fidelity x-80 back in line again now. symptoms ... was playing happily and the right hand channel just stopped was not being moved or no connection touched each other as far as we could make out. .. It was Bought 1999 wondering is it worth the repair. one could argue if it cost £60 to repair is cheaper than £250 for a new one .. what would you all do.