I have a Yamaha AV-63 home cinema package, the problem is with the subwoofer (SW-P130) performance, when I run the auto set-up YPAO I always get a warning at the end of the process:"LEVEL ERROR" which shows as a problem with the subwoofer. While all other speakers will have adjustments of +2 or +3 the sub will show -10 as adjustment (it says the sub is over 7 meters away from the listening position when in fact it's only about 2.5 meters). I have tried changing the wire and even changing the position of the sub, to no success. Also, the subwoofer sounds very muffed sometimes inaudible, particularly when using the "multi channel output" on the receiver. I have contacted Yamaha's customer services over this matter but in their reply they basically only copied and pasted the subwoofer setup section from the user manual (thank you very much Yamaha ) which obviously I had already gone through, I tried to follow up but they never contacted me again (it's been a week). I then wrote to Peter Tyson (where I bought it from), a guy got in touch and we exchanged emails back and fourths, so basically what they said is that I can send it to them for testing, but I have to arrange the transport, if it's faulty they will deliver it back to me , if it's not I have to pay again for delivery. He also said that Yamaha equipment is very reliable and if the sub was faulty it would be muffed with every output (the performance does vary from source to source). If I was to send it to them and it's not faulty I will be throwing £50 to £60 away on delivery charges. Not sure what to do now, the ideal should be a technician to have a look a it and just tell me whether it's faulty or not. I mean, just the fact that the automatic setup won't complete without errors tells me that something is definitely not right. Any advice from you good people?????