[. . . ] Pulsar II Matched Pair About your Pulsar II Matched Pair This package contains a "matched" pair of M-Audio Pulsar II microphones that were carefully selected at the factory for their virtually identical frequency response characteristics. [. . . ] To use this method, attach both Pulsar II microphones to the stereo bar while using the Microphone Riser adapter on one of the microphones. The Microphone Riser positions one Pulsar II higher than the other, allowing the capsules to cross while remaining on parallel planes. The result of this positioning allows for recording the truest possible stereo image. Align the microphones so that the capsules are stacked directly on top of each other at a 90° angle. If you would like a wider stereo image, this angle can be increased up to about 110° while a narrower stereo field can be created by reducing this angle down to 60°. Experiment with various angles until you find one that works best for your application. As stated earlier, an additional advantage of this miking method is excellent mono mixdown compatibility. This means that your left and right channels can be summed together into mono with little or no phase-related issues such as cancellation or comb filtering. [. . . ] A great deal has already been written about stereo recording and we suggest searching the Internet or visiting your local music retailer or bookstore to learn more about these additional methods. 080423_PulsarII_Add_EN01 [. . . ]