I did an audio comparison with my old machine. DreamDiver: I listened to your samples. It sounds like your machine is slightly noisier on the exhale while my unit makes considerably more noise on the inhale when the pump is moving more air. From the replies I'm seeing, I think I should give my vend...

velmet49: Your experience is not encouraging, I am still hoping the "Darth Vader" effect is a flaw in my machine. I have a hard time believing that others are not bothered by this, and instead, comment on how silent the machine is. However, this is the reason for my post, to see if my expectations a...

... have you checked the hose thoroughly and/or tried a different hose to see? What about the humidifier door... sometimes you need to manually move the door latch to get it closed tightly? I considered that too. The hose is in good condition and I removed the humidifier and connected directly to t...

Hello everyone, this is my first post here, so let me introduce myself: I have been successfully using CPAP for roughly five years (Resmed S7 at 8.6cm and passive humidifier). I "took to it" very easily with few problems and very good compliance. The S7 served me well, but is not particularly svelte...