The c451 b is a small-diaphragm condenser microphone with the identical acoustical behaviour of its predecessor, the legendary c451 eb + ck1 capsule, which was a bestseller right from the start in 1969.with its airy sound, high overload limit and improved engineering details, the c451 b continues the success story of this legend. The roadworthy design around the handcrafted capsule and the low-noise preamp electronics ensure impressive results even under very harsh conditions.