efficient MBP 603 microphone amplifier has a sophisticated circuit
comprised of an audio amplifier and a DC converter. The entire range
of modular capsules can be accommodated for full system usage. The
transformerless circuit utilizes a symmetrical output stage for higher
dynamic range, extremely low coloration, and very low harmonic
distortion. Operating voltages range from 16 to 48 V with stable
results. In a word, pristine!
"The 603 / 200 (KA 200 cardioid capsule) would be a
genuinely usefull all-round workhorse, covering all the bases very
competently and giving good results on virtually everything."
Dave Foister, Prosound Magazine