perception 400
Dual diaphragm
switchable patern
Side adress
Substantial shockmount
pair of Back to Back 1 inche true-capacitor capsules
omni, cardioid and figure-of-eight polar patterns.
switchable 20db pad and low-cut filter (300hz, 12db/octave)
side-address
spls up to 155db
a warm but transparent sound quality
listed applications include grand piano, woodwind, brass, drums and percussion (although they make no mention of coals)
the frequency range is quoted simple as 20hz to 20khz
forunaltely though, a response curve in the manual is more helpful, showin g a reasonably flat response for all three patternes.
its sensitivity is 28mvV/Pa (31 dBv) with an a-weighted signal to noise ratio of 78dB