Yo Nerzhul! I have some experience with harp, and the mics you mention. Important stuff- is the harp nylon or metal strung? A lap harp, or a concert harp? The Behringers are omnis, and will pick up the pedals of a concert harp really well. I also consider them too noisy to be ideal on any harp. Harp is a wicked dynamic instrument, and produces very different sounds at different angles, like a guitar. It actually can profit from light compression with a very clean compressor.
I'm going to assume that it's nylon strung, most common. I've actually had my best luck with 2 large diaphragm condensers, one backed off right in front of the harp's soundboard, at say, 3', and the other closer, about 12", just off the soundhole in the back, phase reversed. You can also use a good dynamic for the back mic. The mic in front should be cardioid, and pointed at the soundboard at the midpoint between the highest and lowest strings that are used in the song being recorded.
I'm sorry I've never used the 603's on harp. I've used them on guitar and liked them. I've used Oktava MC012's on harp and disliked them for that application. I think a pair of SP B-1's would work very well for harp. You can also use a SD X-Y pair in front, but rotate them 90 degrees, so the axis of the mics picks up the high and low points of the soundboard. I use C-4's for this, and they work quite well. In the end, though, I get my best results just plunking one C414 right down in front of it. Best of luck.-Richie
Its backed up... somewhere, but I do have one available for the ecm8000's.
