Whoa I just discovered this thread. For the past 1 year I've owned the H4, I never knew there's such an extensive review about it.
For me, I've used the H4 in a few ways.
1. Recorded a classical quartet playing at a cocktail reception with throngs of people behind contributing to background noise. Managed to capture all the instruments nicely and every intonation problem they had. Can also hear the stupid woman in the background who talk damn loud.
As a recorder in a live situation, I think the portability and fidelity of the condensers are well worth the investment. 2 fresh AA Duracell batteries lasted me comfortably into the second hour of continuous recording.
2. Recorded both an acoustic band (2 acoustic guitar + 3 vocals) and a rock band (git, bass, drum, keys & vocals) by getting the aux out from the system mixer into the H4. Well probably the system engineer who managed the system mixer didn't do a good job, the clipping was really bad despite the input sensitivity being set to low. The first 20 seconds was set to medium and the levels were totally maxed out.
The system output speakers were clipping too so I guess not really the Zoom H4 fault. Not too sure about this.
3. Recorded 1 acoustic guitar through a para DI and XLR out into the H4 combined with a SM58 through a vocal processor and XLR out into the H4. Using the lineout into an average 2,1 speakers I have, not too bad, quite happy with the results. Have not tried recording it into the computer.
The only problem is, I can't have 2 more friends over and plug everything in. Looks like time to get a mixer.
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Anyway, the H4 functions well as a DI with headphone out for quiet jamming in the middle of the night. With all the built in modeling effects, I think this is a really up-point for me.
My only problem is with the compressor and limiter. When I enable it, my recording becomes really terrible. Inconsistent volume swells and gains. The effect, if I may put in my own words, is like having a person on drugs hold the microphone infront of you and jumping around and messing with the mic sensitivity control all at the same time.
Anyone got advice on the limiter problem?