Summary: I returned my less than a year old DR-40 directly to Teac for repair. The unit has been in a steady decline for the last few months freezing on occassion until it finally would not power up anymore. The since being less than a year old is still under a "parts" warranty. After 2 weeks, I heard nothing from them about either receiving the unit or what the problem was so I called.
Excerpt: I have read every word in that manual before I returned it and called Tascam! I was in love with it until... This is crazy! I've never heard of such thing but Tascam decides to do their own thing now...From a 30 year old analog home tape deck recorder to a super hi-end, multi-thousand dollar 24 track digital recorder, any REC input set to 0, should show nothing in the V.U.
Excerpt: I received it and was pretty excited to use it until I realized that I couldn't record two external stereo sources simultaneously. From what I gathered after talking with customer service at B&H, reading the manual, and tinkering with the device is that there is no way to completely bypass the internal mics when recording dual tracks. I wanted to matrix a soundboard feed with the audio that my external, phantom-powered mics' record.
Excerpt: I bought the DR-40 to use with my HDSLR. There are unacceptable levels of noise even when plugging in external microphones (which don't, by themselves, produce any extra noise). I even plugged in my iPod into the xlr input, there was noise even if the iPod was paused. It's not worth the time to edit out the noise in post, so I'm returning the DR-40 to pay a bit more for something I can actually use.
Excerpt: As a videographer, for the past 5 -6 years have been recording stage shows with a P.A. feed to a Zoom H2, recording at 48K and have had NO sync problems with video. Imagine my surprise armed with a brand new DR-40 when I took it out last weekend, recorded 4 three hour concerts, and EVERY track is out of sync. (over 150 dances). It's going back straight away.