Hi guys, Here an interesting story : A bit more than a year ago, I bought a Focusrite Liquid saffire 56. Arriving to the store, the salesman said his last unit was a demo and offered a nice rebate, so I thought I was lucky and took a bit of time to test it and it was all good. I made a lot of tests the following weeks and was very happy. A band booked some time to record an album so I went and bought a new octopre to have enough inputs. Before they arrived I tested some recordings with all the mic inputs all at once to be sure my computer was ok with the new interface and track count and it when perfectly. So the mic placement and levels were done and we started to record songs. On the 3rd song I lost the bass drum. First thought, I checked the cable, unplug and plug it and it was fine. It happened 3 other times in the session and I was able to get the bass back by pushing the gain up and then back where it was. After I was done with the band I made many test to find out that when the first mic pre did receive a low signal for a while, it would stop working. Even if it's a demo, I returned the unit for warranty. The store sent it to a local service center (authorised for focusrite) and after two month they said there was nothing wrong with the unit. I was mad and explained what was happening and said it did it with any mic and many cables and only with that preamp. They finaly said it was a loose connection inside and I got it back a month later (total of 3 months). All that time, I couldn't record a band, but I bought a used smaller unit as a backup and it had also some defective features. (but it's another story) I got it back, did a few session and the problem returned. At that point I was mad at them but I wasn't gonna miss another 3 month of business, so I just decided not to use that preamp. Last week I decided to revisit all my mics and new preamps to have a play to record my drum. At some point the preamp 3 on the 56 started to make a buzz and the recordings were all wrong. I looked for the invoice; the 1 yr warranty has expired. *&%/&(??%"$/!? I took my courage and dismounted the unit and cleaned up all the connectors and took an electronic cleaner to clean the switches and knobs. I was pretty sure it would not change anything but I had to try. It's a 1K ynit after all and I do not have the money to replace it right now. I re-assemble it and tested it. At first, the noise was still there but after playing with the buttons (phantom, phase and pad) the noise went away. I also tested the other defective preamp and it seem to be ok. I think I'm very lucky !! I hope it's not gonna fail again but I thought I'd share with you. My conclusion: I saved 250$ for the demo but how much business do you think I've lost while I was waiting for the repairs? Let me say it was way past that 250$ If you are to record customers, think about having a solid system that have a low fail rate or have a backup ready !